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修改layui table.js 的源代码
将layui 模板下的table.js 源码替换成下面的代码就行了。

layui.define([\'laytpl\', \'laypage\', \'layer\', \'form\', \'util\'], function(exports){
    "use strict";

    var $ = layui.$
        ,laytpl = layui.laytpl
        ,laypage = layui.laypage
        ,layer = layui.layer
        ,form = layui.form
        ,util = layui.util
        ,hint = layui.hint()
        ,device = layui.device()

        //外部接口
        ,table = {
            config: {
                checkName: \'LAY_CHECKED\' //是否选中状态的字段名
                ,indexName: \'LAY_TABLE_INDEX\' //下标索引名
            } //全局配置项
            ,cache: {} //数据缓存
            ,index: layui.table ? (layui.table.index + 10000) : 0

            //设置全局项
            ,set: function(options){
                var that = this;
                that.config = $.extend({}, that.config, options);
                return that;
            }

            //事件监听
            ,on: function(events, callback){
                return layui.onevent.call(this, MOD_NAME, events, callback);
            }
        }

        //操作当前实例
        ,thisTable = function(){
            var that = this
                ,options = that.config
                ,id = options.id || options.index;

            if(id){
                thisTable.that[id] = that; //记录当前实例对象
                thisTable.config[id] = options; //记录当前实例配置项
            }

            return {
                config: options
                ,reload: function(options){
                    that.reload.call(that, options);
                }
                ,setColsWidth: function(){
                    that.setColsWidth.call(that);
                }
                ,resize: function(){ //重置表格尺寸/结构
                    that.resize.call(that);
                }
            }
        }

        //获取当前实例配置项
        ,getThisTableConfig = function(id){
            var config = thisTable.config[id];
            if(!config) hint.error(\'The ID option was not found in the table instance\');
            return config || null;
        }

        //解析自定义模板数据
        ,parseTempData = function(item3, content, tplData, text){
            var str = item3.templet ? function(){
                return typeof item3.templet === \'function\'
                    ? item3.templet(tplData)
                    : laytpl($(item3.templet).html() || String(content)).render(tplData)
            }() : content;
            return text ? $(\'<div>\'+ str +\'</div>\').text() : str;
        }

        //字符常量
        ,MOD_NAME = \'table\', ELEM = \'.layui-table\', THIS = \'layui-this\', SHOW = \'layui-show\', HIDE = \'layui-hide\', DISABLED = \'layui-disabled\', NONE = \'layui-none\'

        ,ELEM_VIEW = \'layui-table-view\', ELEM_TOOL = \'.layui-table-tool\', ELEM_BOX = \'.layui-table-box\', ELEM_INIT = \'.layui-table-init\', ELEM_HEADER = \'.layui-table-header\', ELEM_BODY = \'.layui-table-body\', ELEM_MAIN = \'.layui-table-main\', ELEM_FIXED = \'.layui-table-fixed\', ELEM_FIXL = \'.layui-table-fixed-l\', ELEM_FIXR = \'.layui-table-fixed-r\', ELEM_TOTAL = \'.layui-table-total\' , ELEM_AVG = \'.layui-table-avg\', ELEM_PAGE = \'.layui-table-page\', ELEM_SORT = \'.layui-table-sort\', ELEM_EDIT = \'layui-table-edit\', ELEM_HOVER = \'layui-table-hover\'

        //thead区域模板
        ,TPL_HEADER = function(options){
            var rowCols = \'{{#if(item2.colspan){}} colspan="{{item2.colspan}}"{{#} if(item2.rowspan){}} rowspan="{{item2.rowspan}}"{{#}}}\';

            options = options || {};
            return [\'<table cellspacing="0" cellpadding="0" border="0" class="layui-table" \'
                ,\'{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>\'
                ,\'<thead>\'
                ,\'{{# layui.each(d.data.cols, function(i1, item1){ }}\'
                ,\'<tr>\'
                ,\'{{# layui.each(item1, function(i2, item2){ }}\'
                ,\'{{# if(item2.fixed && item2.fixed !== "right"){ left = true; } }}\'
                ,\'{{# if(item2.fixed === "right"){ right = true; } }}\'
                ,function(){
                    if(options.fixed && options.fixed !== \'right\'){
                        return \'{{# if(item2.fixed && item2.fixed !== "right"){ }}\';
                    }
                    if(options.fixed === \'right\'){
                        return \'{{# if(item2.fixed === "right"){ }}\';
                    }
                    return \'\';
                }()
                ,\'{{# var isSort = !(item2.colGroup) && item2.sort; }}\'
                ,\'<th data-field="{{ item2.field||i2 }}" data-key="{{d.index}}-{{i1}}-{{i2}}" {{# if( item2.parentKey){ }}data-parentkey="{{ item2.parentKey }}"{{# } }} {{# if(item2.minWidth){ }}data-minwidth="{{item2.minWidth}}"{{# } }} \'+ rowCols +\' {{# if(item2.unresize || item2.colGroup){ }}data-unresize="true"{{# } }} class="{{# if(item2.hide){ }}layui-hide{{# } }}{{# if(isSort){ }} layui-unselect{{# } }}{{# if(!item2.field){ }} layui-table-col-special{{# } }}">\'
                ,\'<div class="layui-table-cell laytable-cell-\'
                ,\'{{# if(item2.colGroup){ }}\'
                ,\'group\'
                ,\'{{# } else { }}\'
                ,\'{{d.index}}-{{i1}}-{{i2}}\'
                ,\'{{# if(item2.type !== "normal"){ }}\'
                ,\' laytable-cell-{{ item2.type }}\'
                ,\'{{# } }}\'
                ,\'{{# } }}\'
                ,\'" {{#if(item2.align){}}align="{{item2.align}}"{{#}}}>\'
                ,\'{{# if(item2.type === "checkbox"){ }}\' //复选框
                ,\'<input type="checkbox" name="layTableCheckbox" lay-skin="primary" lay-filter="layTableAllChoose" {{# if(item2[d.data.checkName]){ }}checked{{# }; }}>\'
                ,\'{{# } else { }}\'
                ,\'<span>{{item2.title||""}}</span>\'
                ,\'{{# if(isSort){ }}\'
                ,\'<span class="layui-table-sort layui-inline"><i class="layui-edge layui-table-sort-asc" title="升序"></i><i class="layui-edge layui-table-sort-desc" title="降序"></i></span>\'
                ,\'{{# } }}\'
                ,\'{{# } }}\'
                ,\'</div>\'
                ,\'</th>\'
                ,(options.fixed ? \'{{# }; }}\' : \'\')
                ,\'{{# }); }}\'
                ,\'</tr>\'
                ,\'{{# }); }}\'
                ,\'</thead>\'
                ,\'</table>\'].join(\'\');
        }

        //tbody区域模板
        ,TPL_BODY = [\'<table cellspacing="0" cellpadding="0" border="0" class="layui-table" \'
            ,\'{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>\'
            ,\'<tbody></tbody>\'
            ,\'</table>\'].join(\'\')

        //主模板
        ,TPL_MAIN = [\'<div class="layui-form layui-border-box {{d.VIEW_CLASS}}" lay-filter="LAY-table-{{d.index}}" lay-id="{{ d.data.id }}" style="{{# if(d.data.width){ }}width:{{d.data.width}}px;{{# } }} {{# if(d.data.height){ }}height:{{d.data.height}}px;{{# } }}">\'

            ,\'{{# if(d.data.toolbar){ }}\'
            ,\'<div class="layui-table-tool">\'
            ,\'<div class="layui-table-tool-temp"></div>\'
            ,\'<div class="layui-table-tool-self"></div>\'
            ,\'</div>\'
            ,\'{{# } }}\'

            ,\'<div class="layui-table-box">\'
            ,\'{{# if(d.data.loading){ }}\'
            ,\'<div class="layui-table-init" style="background-color: #fff;">\'
            ,\'<i class="layui-icon layui-icon-loading layui-anim layui-anim-rotate layui-anim-loop"></i>\'
            ,\'</div>\'
            ,\'{{# } }}\'

            ,\'{{# var left, right; }}\'
            ,\'<div class="layui-table-header">\'
            ,TPL_HEADER()
            ,\'</div>\'
            ,\'<div class="layui-table-body layui-table-main">\'
            ,TPL_BODY
            ,\'</div>\'

            ,\'{{# if(left){ }}\'
            ,\'<div class="layui-table-fixed layui-table-fixed-l">\'
            ,\'<div class="layui-table-header">\'
            ,TPL_HEADER({fixed: true})
            ,\'</div>\'
            ,\'<div class="layui-table-body">\'
            ,TPL_BODY
            ,\'</div>\'
            ,\'</div>\'
            ,\'{{# }; }}\'

            ,\'{{# if(right){ }}\'
            ,\'<div class="layui-table-fixed layui-table-fixed-r">\'
            ,\'<div class="layui-table-header">\'
            ,TPL_HEADER({fixed: \'right\'})
            ,\'<div class="layui-table-mend"></div>\'
            ,\'</div>\'
            ,\'<div class="layui-table-body">\'
            ,TPL_BODY
            ,\'</div>\'
            ,\'</div>\'
            ,\'{{# }; }}\'
            ,\'</div>\'

            ,\'{{# if(d.data.totalRow){ }}\'
            ,\'<div class="layui-table-total">\'
            ,\'<table cellspacing="0" cellpadding="0" border="0" class="layui-table" \'
            ,\'{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>\'
            ,\'<tbody><tr><td><div class="layui-table-cell" style="visibility: hidden;">Total</div></td></tr></tbody>\'
            , \'</table>\'
            ,\'</div>\'
            ,\'{{# } }}\'

            ,\'{{# if(d.data.avgRow){ }}\'
            ,\'<div class="layui-table-avg">\'
            ,\'<table cellspacing="0" cellpadding="0" border="0" class="layui-table" \'
            ,\'{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>\'
            ,\'<tbody><tr><td><div class="layui-table-cell" style="visibility: hidden;">Total</div></td></tr></tbody>\'
            , \'</table>\'
            ,\'</div>\'
            ,\'{{# } }}\'

            ,\'{{# if(d.data.page){ }}\'
            ,\'<div class="layui-table-page">\'
            ,\'<div id="layui-table-page{{d.index}}"></div>\'
            ,\'</div>\'
            ,\'{{# } }}\'

            ,\'<style>\'
            ,\'{{# layui.each(d.data.cols, function(i1, item1){\'
            ,\'layui.each(item1, function(i2, item2){ }}\'
            ,\'.laytable-cell-{{d.index}}-{{i1}}-{{i2}}{ \'
            ,\'{{# if(item2.width){ }}\'
            ,\'width: {{item2.width}}px;\'
            ,\'{{# } }}\'
            ,\' }\'
            ,\'{{# });\'
            ,\'}); }}\'
            ,\'</style>\'
            ,\'</div>\'].join(\'\')

        ,_WIN = $(window)
        ,_DOC = $(document)

        //构造器
        ,Class = function(options){
            var that = this;
            that.index = ++table.index;
            that.config = $.extend({}, that.config, table.config, options);
            that.render();
        };

    //默认配置
    Class.prototype.config = {
        limit: 10 //每页显示的数量
        ,loading: true //请求数据时,是否显示loading
        ,cellMinWidth: 60 //所有单元格默认最小宽度
        ,defaultToolbar: [\'filter\', \'exports\', \'print\'] //工具栏右侧图标
        ,autoSort: true //是否前端自动排序。如果否,则需自主排序(通常为服务端处理好排序)
        ,text: {
            none: \'无数据\'
        }
    };

    //表格渲染
    Class.prototype.render = function(){
        var that = this
            ,options = that.config;

        options.elem = $(options.elem);
        options.where = options.where || {};
        options.id = options.id || options.elem.attr(\'id\') || that.index;

        //请求参数的自定义格式
        options.request = $.extend({
            pageName: \'page\'
            ,limitName: \'limit\'
        }, options.request)

        //响应数据的自定义格式
        options.response = $.extend({
            statusName: \'code\'
            ,statusCode: 0
            ,msgName: \'msg\'
            ,dataName: \'data\'
            ,countName: \'count\'
        }, options.response);

        //如果 page 传入 laypage 对象
        if(typeof options.page === \'object\'){
            options.limit = options.page.limit || options.limit;
            options.limits = options.page.limits || options.limits;
            that.page = options.page.curr = options.page.curr || 1;
            delete options.page.elem;
            delete options.page.jump;
        }

        if(!options.elem[0]) return that;

        //高度铺满:full-差距值
        if(options.height && /^full-\d+$/.test(options.height)){
            that.fullHeightGap = options.height.split(\'-\')[1];
            options.height = _WIN.height() - that.fullHeightGap;
        }

        //初始化一些参数
        that.setInit();

        //开始插入替代元素
        var othis = options.elem
            ,hasRender = othis.next(\'.\' + ELEM_VIEW)

            //主容器
            ,reElem = that.elem = $(laytpl(TPL_MAIN).render({
                VIEW_CLASS: ELEM_VIEW
                ,data: options
                ,index: that.index //索引
            }));

        options.index = that.index;
        that.key = options.id || options.index;

        //生成替代元素
        hasRender[0] && hasRender.remove(); //如果已经渲染,则Rerender
        othis.after(reElem);

        //各级容器
        that.layTool = reElem.find(ELEM_TOOL);
        that.layBox = reElem.find(ELEM_BOX);
        that.layHeader = reElem.find(ELEM_HEADER);
        that.layMain = reElem.find(ELEM_MAIN);
        that.layBody = reElem.find(ELEM_BODY);
        that.layFixed = reElem.find(ELEM_FIXED);
        that.layFixLeft = reElem.find(ELEM_FIXL);
        that.layFixRight = reElem.find(ELEM_FIXR);
        that.layTotal = reElem.find(ELEM_TOTAL);
        that.layAvg  = reElem.find(ELEM_AVG);
        that.layPage = reElem.find(ELEM_PAGE);

        //初始化工具栏
        that.renderToolbar();

        //让表格平铺
        that.fullSize();

        //如果多级表头,则填补表头高度
        if(options.cols.length > 1){
            //补全高度
            var th = that.layFixed.find(ELEM_HEADER).find(\'th\');
            th.height(that.layHeader.height() - 1 - parseFloat(th.css(\'padding-top\')) - parseFloat(th.css(\'padding-bottom\')));
        }

        that.pullData(that.page); //请求数据
        that.events(); //事件
    };

    //根据列类型,定制化参数
    Class.prototype.initOpts = function(item){
        var that = this
            ,options = that.config
            ,initWidth = {
            checkbox: 48
            ,radio: 48
            ,space: 15
            ,numbers: 40
        };

        //让 type 参数兼容旧版本
        if(item.checkbox) item.type = "checkbox";
        if(item.space) item.type = "space";
        if(!item.type) item.type = "normal";

        if(item.type !== "normal"){
            item.unresize = true;
            item.width = item.width || initWidth[item.type];
        }
    };

    //初始化一些参数
    Class.prototype.setInit = function(type){
        var that = this
            ,options = that.config;

        options.clientWidth = options.width || function(){ //获取容器宽度
            //如果父元素宽度为0(一般为隐藏元素),则继续查找上层元素,直到找到真实宽度为止
            var getWidth = function(parent){
                var width, isNone;
                parent = parent || options.elem.parent()
                width = parent.width();
                try {
                    isNone = parent.css(\'display\') === \'none\';
                } catch(e){}
                if(parent[0] && (!width || isNone)) return getWidth(parent.parent());
                return width;
            };
            return getWidth();
        }();

        if(type === \'width\') return options.clientWidth;

        //初始化列参数
        layui.each(options.cols, function(i1, item1){
            layui.each(item1, function(i2, item2){

                //如果列参数为空,则移除
                if(!item2){
                    item1.splice(i2, 1);
                    return;
                }

                item2.key = i1 + \'-\' + i2;
                item2.hide = item2.hide || false;

                //设置列的父列索引
                //如果是组合列,则捕获对应的子列
                if(item2.colGroup || item2.colspan > 1){
                    var childIndex = 0;
                    layui.each(options.cols[i1 + 1], function(i22, item22){
                        //如果子列已经被标注为{HAS_PARENT},或者子列累计 colspan 数等于父列定义的 colspan,则跳出当前子列循环
                        if(item22.HAS_PARENT || (childIndex > 1 && childIndex == item2.colspan)) return;

                        item22.HAS_PARENT = true;
                        item22.parentKey = i1 + \'-\' + i2;

                        childIndex = childIndex + parseInt(item22.colspan > 1 ? item22.colspan : 1);
                    });
                    item2.colGroup = true; //标注是组合列
                }

                //根据列类型,定制化参数
                that.initOpts(item2);
            });
        });

    };

    //初始工具栏
    Class.prototype.renderToolbar = function(){
        var that = this
            ,options = that.config

        //添加工具栏左侧模板
        var leftDefaultTemp = [
            \'<div class="layui-inline" lay-event="add"><i class="layui-icon layui-icon-add-1"></i></div>\'
            ,\'<div class="layui-inline" lay-event="update"><i class="layui-icon layui-icon-edit"></i></div>\'
            ,\'<div class="layui-inline" lay-event="delete"><i class="layui-icon layui-icon-delete"></i></div>\'
        ].join(\'\')
            ,elemToolTemp = that.layTool.find(\'.layui-table-tool-temp\');

        if(options.toolbar === \'default\'){
            elemToolTemp.html(leftDefaultTemp);
        } else if(typeof options.toolbar === \'string\'){
            var toolbarHtml = $(options.toolbar).html() || \'\';
            toolbarHtml && elemToolTemp.html(
                laytpl(toolbarHtml).render(options)
            );
        }

        //添加工具栏右侧面板
        var layout = {
            filter: {
                title: \'筛选列\'
                ,layEvent: \'LAYTABLE_COLS\'
                ,icon: \'layui-icon-cols\'
            }
            ,exports: {
                title: \'导出\'
                ,layEvent: \'LAYTABLE_EXPORT\'
                ,icon: \'layui-icon-export\'
            }
            ,print: {
                title: \'打印\'
                ,layEvent: \'LAYTABLE_PRINT\'
                ,icon: \'layui-icon-print\'
            }
        }, iconElem = [];

        if(typeof options.defaultToolbar === \'object\'){
            layui.each(options.defaultToolbar, function(i, item){
                var thisItem = layout[item];
                if(thisItem){
                    iconElem.push(\'<div class="layui-inline" title="\'+ thisItem.title +\'" lay-event="\'+ thisItem.layEvent +\'">\'
                        +\'<i class="layui-icon \'+ thisItem.icon +\'"></i>\'
                        +\'</div>\');
                }
            });
        }
        that.layTool.find(\'.layui-table-tool-self\').html(iconElem.join(\'\'));
    }

    //同步表头父列的相关值
    Class.prototype.setParentCol = function(hide, parentKey){
        var that = this
            ,options = that.config

            ,parentTh = that.layHeader.find(\'th[data-key="\'+ options.index +\'-\'+ parentKey +\'"]\') //获取父列元素
            ,parentColspan = parseInt(parentTh.attr(\'colspan\')) || 0;

        if(parentTh[0]){
            var arrParentKey = parentKey.split(\'-\')
                ,getThisCol = options.cols[arrParentKey[0]][arrParentKey[1]];

            hide ? parentColspan-- : parentColspan++;

            parentTh.attr(\'colspan\', parentColspan);
            parentTh[parentColspan < 1 ? \'addClass\' : \'removeClass\'](HIDE);

            getThisCol.colspan = parentColspan; //同步 colspan 参数
            getThisCol.hide = parentColspan < 1; //同步 hide 参数

            //递归,继续往上查询是否有父列
            var nextParentKey = parentTh.data(\'parentkey\');
            nextParentKey && that.setParentCol(hide, nextParentKey);
        }
    };

    //多级表头补丁
    Class.prototype.setColsPatch = function(){
        var that = this
            ,options = that.config

        //同步表头父列的相关值
        layui.each(options.cols, function(i1, item1){
            layui.each(item1, function(i2, item2){
                if(item2.hide){
                    that.setParentCol(item2.hide, item2.parentKey);
                }
            });
        });
    };

    //动态分配列宽
    Class.prototype.setColsWidth = function(){
        var that = this
            ,options = that.config
            ,colNums = 0 //列个数
            ,autoColNums = 0 //自动列宽的列个数
            ,autoWidth = 0 //自动列分配的宽度
            ,countWidth = 0 //所有列总宽度和
            ,cntrWidth = that.setInit(\'width\');

        //统计列个数
        that.eachCols(function(i, item){
            item.hide || colNums++;
        });

        //减去边框差和滚动条宽
        cntrWidth = cntrWidth - function(){
            return (options.skin === \'line\' || options.skin === \'nob\') ? 2 : colNums + 1;
        }() - that.getScrollWidth(that.layMain[0]) - 1;

        //计算自动分配的宽度
        var getAutoWidth = function(back){
            //遍历所有列
            layui.each(options.cols, function(i1, item1){
                layui.each(item1, function(i2, item2){
                    var width = 0
                        ,minWidth = item2.minWidth || options.cellMinWidth; //最小宽度

                    if(!item2){
                        item1.splice(i2, 1);
                        return;
                    }

                    if(item2.colGroup || item2.hide) return;

                    if(!back){
                        width = item2.width || 0;
                        if(/\d+%$/.test(width)){ //列宽为百分比
                            width = Math.floor((parseFloat(width) / 100) * cntrWidth);
                            width < minWidth && (width = minWidth);
                        } else if(!width){ //列宽未填写
                            item2.width = width = 0;
                            autoColNums++;
                        }
                    } else if(autoWidth && autoWidth < minWidth){
                        autoColNums--;
                        width = minWidth;
                    }

                    if(item2.hide) width = 0;
                    countWidth = countWidth + width;
                });
            });

            //如果未填充满,则将剩余宽度平分
            (cntrWidth > countWidth && autoColNums) && (
                autoWidth = (cntrWidth - countWidth) / autoColNums
            );
        }

        getAutoWidth();
        getAutoWidth(true); //重新检测分配的宽度是否低于最小列宽

        //记录自动列数
        that.autoColNums = autoColNums;

        //设置列宽
        that.eachCols(function(i3, item3){
            var minWidth = item3.minWidth || options.cellMinWidth;
            if(item3.colGroup || item3.hide) return;

            //给位分配宽的列平均分配宽
            if(item3.width === 0){
                that.getCssRule(options.index +\'-\'+ item3.key, function(item){
                    item.style.width = Math.floor(autoWidth >= minWidth ? autoWidth : minWidth) + \'px\';
                });
            }

            //给设定百分比的列分配列宽
            else if(/\d+%$/.test(item3.width)){
                that.getCssRule(options.index +\'-\'+ item3.key, function(item){
                    item.style.width = Math.floor((parseFloat(item3.width) / 100) * cntrWidth) + \'px\';
                });
            }
        });

        //填补 Math.floor 造成的数差
        var patchNums = that.layMain.width() - that.getScrollWidth(that.layMain[0])
            - that.layMain.children(\'table\').outerWidth();

        if(that.autoColNums && patchNums >= -colNums && patchNums <= colNums){
            var getEndTh = function(th){
                var field;
                th = th || that.layHeader.eq(0).find(\'thead th:last-child\')
                field = th.data(\'field\');
                if(!field && th.prev()[0]){
                    return getEndTh(th.prev())
                }
                return th
            }
                ,th = getEndTh()
                ,key = th.data(\'key\');

            that.getCssRule(key, function(item){
                var width = item.style.width || th.outerWidth();
                item.style.width = (parseFloat(width) + patchNums) + \'px\';

                //二次校验,如果仍然出现横向滚动条(通常是 1px 的误差导致)
                if(that.layMain.height() - that.layMain.prop(\'clientHeight\') > 0){
                    item.style.width = (parseFloat(item.style.width) - 1) + \'px\';
                }
            });
        }

        that.loading(!0);
    };

    //重置表格尺寸/结构
    Class.prototype.resize = function(){
        var that = this;
        that.fullSize(); //让表格铺满
        that.setColsWidth(); //自适应列宽
        that.scrollPatch(); //滚动条补丁
    };

    //表格重载
    Class.prototype.reload = function(options){
        var that = this;

        options = options || {};
        delete that.haveInit;

        if(options.data && options.data.constructor === Array) delete that.config.data;
        that.config = $.extend(true, {}, that.config, options);

        that.render();
    };

    //异常提示
    Class.prototype.errorView = function(html){
        var that = this
            ,elemNone = that.layMain.find(\'.\'+ NONE)
            ,layNone = $(\'<div class="\'+ NONE +\'">\'+ (html || \'Error\') +\'</div>\');

        if(elemNone[0]){
            that.layNone.remove();
            elemNone.remove();
        }

        that.layFixed.addClass(HIDE);
        that.layMain.find(\'tbody\').html(\'\');

        that.layMain.append(that.layNone = layNone);

        table.cache[that.key] = []; //格式化缓存数据
    };

    //页码
    Class.prototype.page = 1;

    //获得数据
    Class.prototype.pullData = function(curr){
        var that = this
            ,options = that.config
            ,request = options.request
            ,response = options.response
            ,sort = function(){
            if(typeof options.initSort === \'object\'){
                that.sort(options.initSort.field, options.initSort.type);
            }
        };

        that.startTime = new Date().getTime(); //渲染开始时间

        if(options.url){ //Ajax请求
            var params = {};
            params[request.pageName] = curr;
            params[request.limitName] = options.limit;

            //参数
            var data = $.extend(params, options.where);
            if(options.contentType && options.contentType.indexOf("application/json") == 0){ //提交 json 格式
                data = JSON.stringify(data);
            }

            that.loading();

            $.ajax({
                type: options.method || \'get\'
                ,url: options.url
                ,contentType: options.contentType
                ,data: data
                ,dataType: \'json\'
                ,headers: options.headers || {}
                ,success: function(res){
                    //如果有数据解析的回调,则获得其返回的数据
                    if(typeof options.parseData === \'function\'){
                        res = options.parseData(res) || res;
                    }
                    //检查数据格式是否符合规范
                    if(res[response.statusName] != response.statusCode){
                        that.renderForm();
                        that.errorView(
                            res[response.msgName] ||
                            (\'返回的数据不符合规范,正确的成功状态码应为:"\'+ response.statusName +\'": \'+ response.statusCode)
                        );
                    } else {
                        that.renderData(res, curr, res[response.countName]), sort();
                        options.time = (new Date().getTime() - that.startTime) + \' ms\'; //耗时(接口请求+视图渲染)
                    }
                    that.setColsWidth();
                    typeof options.done === \'function\' && options.done(res, curr, res[response.countName]);
                }
                ,error: function(e, m){
                    that.errorView(\'数据接口请求异常:\'+ m);

                    that.renderForm();
                    that.setColsWidth();
                }
            });
        } else if(options.data && options.data.constructor === Array){ //已知数据
            var res = {}
                ,startLimit = curr*options.limit - options.limit

            res[response.dataName] = options.data.concat().splice(startLimit, options.limit);
            res[response.countName] = options.data.length;

            that.renderData(res, curr, res[response.countName]), sort();
            that.setColsWidth();
            typeof options.done === \'function\' && options.done(res, curr, res[response.countName]);
        }
    };

    //遍历表头
    Class.prototype.eachCols = function(callback){
        var that = this;
        table.eachCols(null, callback, that.config.cols);
        return that;
    };

    //数据渲染
    Class.prototype.renderData = function(res, curr, count, sort){
        var that = this
            ,options = that.config
            ,data = res[options.response.dataName] || []
            ,trs = []
            ,trs_fixed = []
            ,trs_fixed_r = []

            //渲染视图
            ,render = function(){ //后续性能提升的重点
                var thisCheckedRowIndex;
                if(!sort && that.sortKey){
                    return that.sort(that.sortKey.field, that.sortKey.sort, true);
                }
                layui.each(data, function(i1, item1){
                    var tds = [], tds_fixed = [], tds_fixed_r = []
                        ,numbers = i1 + options.limit*(curr - 1) + 1; //序号

                    if(item1.length === 0) return;
                    if(!sort){
                        item1[table.config.indexName] = i1;
                    }

                    that.eachCols(function(i3, item3){
                        var field = item3.field || i3
                            ,key = options.index + \'-\' + item3.key
                            ,content = item1[field];

                        if(content === undefined || content === null) content = \'\';
                        if(item3.colGroup) return;

                        //td内容
                        var td = [\'<td data-field="\'+ field +\'" data-key="\'+ key +\'" \'+ function(){ //追加各种属性
                            var attr = [];
                            if(item3.edit) attr.push(\'data-edit="\'+ item3.edit +\'"\'); //是否允许单元格编辑
                            if(item3.align) attr.push(\'align="\'+ item3.align +\'"\'); //对齐方式
                            if(item3.templet) attr.push(\'data-content="\'+ content +\'"\'); //自定义模板
                            if(item3.toolbar) attr.push(\'data-off="true"\'); //行工具列关闭单元格事件
                            if(item3.event) attr.push(\'lay-event="\'+ item3.event +\'"\'); //自定义事件
                            if(item3.style) attr.push(\'style="\'+ item3.style +\'"\'); //自定义样式
                            if(item3.minWidth) attr.push(\'data-minwidth="\'+ item3.minWidth +\'"\'); //单元格最小宽度
                            return attr.join(\' \');
                        }() +\' class="\'+ function(){ //追加样式
                            var classNames = [];
                            if(item3.hide) classNames.push(HIDE); //插入隐藏列样式
                            if(!item3.field) classNames.push(\'layui-table-col-special\'); //插入特殊列样式
                            return classNames.join(\' \');
                        }() +\'">\'
                            ,\'<div class="layui-table-cell laytable-cell-\'+ function(){ //返回对应的CSS类标识
                                return item3.type === \'normal\' ? key
                                    : (key + \' laytable-cell-\' + item3.type);
                            }() +\'">\' + function(){
                                var tplData = $.extend(true, {
                                    LAY_INDEX: numbers
                                }, item1)
                                    ,checkName = table.config.checkName;

                                //渲染不同风格的列
                                switch(item3.type){
                                    case \'checkbox\':
                                        return \'<input type="checkbox" name="layTableCheckbox" lay-skin="primary" \'+ function(){
                                            //如果是全选
                                            if(item3[checkName]){
                                                item1[checkName] = item3[checkName];
                                                return item3[checkName] ? \'checked\' : \'\';
                                            }
                                            return tplData[checkName] ? \'checked\' : \'\';
                                        }() +\'>\';
                                        break;
                                    case \'radio\':
                                        if(tplData[checkName]){
                                            thisCheckedRowIndex = i1;
                                        }
                                        return \'<input type="radio" name="layTableRadio_\'+ options.index +\'" \'
                                            + (tplData[checkName] ? \'checked\' : \'\') +\' lay-type="layTableRadio">\';
                                        break;
                                    case \'numbers\':
                                        return numbers;
                                        break;
                                };

                                //解析工具列模板
                                if(item3.toolbar){
                                    return laytpl($(item3.toolbar).html()||\'\').render(tplData);
                                }
                                return parseTempData(item3, content, tplData);
                            }()
                            ,\'</div></td>\'].join(\'\');

                        tds.push(td);
                        if(item3.fixed && item3.fixed !== \'right\') tds_fixed.push(td);
                        if(item3.fixed === \'right\') tds_fixed_r.push(td);
                    });

                    trs.push(\'<tr data-index="\'+ i1 +\'">\'+ tds.join(\'\') + \'</tr>\');
                    trs_fixed.push(\'<tr data-index="\'+ i1 +\'">\'+ tds_fixed.join(\'\') + \'</tr>\');
                    trs_fixed_r.push(\'<tr data-index="\'+ i1 +\'">\'+ tds_fixed_r.join(\'\') + \'</tr>\');
                });

                that.layBody.scrollTop(0);
                that.layMain.find(\'.\'+ NONE).remove();
                that.layMain.find(\'tbody\').html(trs.join(\'\'));
                that.layFixLeft.find(\'tbody\').html(trs_fixed.join(\'\'));
                that.layFixRight.find(\'tbody\').html(trs_fixed_r.join(\'\'));

                that.renderForm();
                typeof thisCheckedRowIndex === \'number\' && that.setThisRowChecked(thisCheckedRowIndex);
                that.syncCheckAll();

                //滚动条补丁
                that.haveInit ? that.scrollPatch() : setTimeout(function(){
                    that.scrollPatch();
                }, 50);
                that.haveInit = true;

                layer.close(that.tipsIndex);

                //同步表头父列的相关值
                options.HAS_SET_COLS_PATCH || that.setColsPatch();
                options.HAS_SET_COLS_PATCH = true;
            };

        table.cache[that.key] = data; //记录数据

        //显示隐藏分页栏
        that.layPage[(count == 0 || (data.length === 0 && curr == 1)) ? \'addClass\' : \'removeClass\'](HIDE);

        //排序
        if(sort){
            return render();
        }

        if(data.length === 0){
            that.renderForm();
            return that.errorView(options.text.none);
        } else {
            that.layFixed.removeClass(HIDE);
        }

        render(); //渲染数据
        that.renderTotal(data); //数据合计
        that.renderAvg(data);
        //同步分页状态
        if(options.page){
            options.page = $.extend({
                elem: \'layui-table-page\' + options.index
                ,count: count
                ,limit: options.limit
                ,limits: options.limits || [10,20,30,40,50,60,70,80,90]
                ,groups: 3
                ,layout: [\'prev\', \'page\', \'next\', \'skip\', \'count\', \'limit\']
                ,prev: \'<i class="layui-icon">&#xe603;</i>\'
                ,next: \'<i class="layui-icon">&#xe602;</i>\'
                ,jump: function(obj, first){
                    if(!first){
                        //分页本身并非需要做以下更新,下面参数的同步,主要是因为其它处理统一用到了它们
                        //而并非用的是 options.page 中的参数(以确保分页未开启的情况仍能正常使用)
                        that.page = obj.curr; //更新页码
                        options.limit = obj.limit; //更新每页条数

                        that.pullData(obj.curr);
                    }
                }
            }, options.page);
            options.page.count = count; //更新总条数
            laypage.render(options.page);
        }
    };
    //数据平均行
    Class.prototype.renderAvg = function(data) {
        var that = this,
            options = that.config,
            avgNums = {};
        var toFixed = options.avgRowTofixed>2 ?  2 : options.avgRowTofixed || 0;
        if(!options.avgRow) return;
        layui.each(data ,function(i ,t) {
            //如果没有数据则不遍历
            if(t.length === 0) return;
            that.eachCols(function(i3, t3){
                var field = t3.field || i3
                    ,content = t[field];

                if(t3.avgRow){
                    avgNums[field] = (avgNums[field] || 0) + (parseFloat(content) || 0)/data.length;
                }
            });
        })

        var tds = [];
        that.eachCols(function(i3, item3){
            var field = item3.field || i3; //字段名

            //td内容
            var td = [\'<td data-field="\'+ field +\'" data-key="\'+ options.index + \'-\'+ item3.key +\'" \'+ function(){
                var attr = [];
                if(item3.align) attr.push(\'align="\'+ item3.align +\'"\'); //对齐方式
                if(item3.style) attr.push(\'style="\'+ item3.style +\'"\'); //自定义样式
                if(item3.minWidth) attr.push(\'data-minwidth="\'+ item3.minWidth +\'"\'); //单元格最小宽度
                return attr.join(\' \');
            }() +\' class="\'+ function(){ //追加样式
                var classNames = [];
                if(item3.hide) classNames.push(HIDE); //插入隐藏列样式
                if(!item3.field) classNames.push(\'layui-table-col-special\'); //插入特殊列样式
                return classNames.join(\' \');
            }() +\'">\'
                ,\'<div class="layui-table-cell laytable-cell-\'+ function(){ //返回对应的CSS类标识
                    var str = (options.index + \'-\' + item3.key);
                    return item3.type === \'normal\' ? str
                        : (str + \' laytable-cell-\' + item3.type);
                }() +\'">\' + function(){
                    var text = item3.avgRowText || \'\';
                    return item3.avgRow ? ((parseFloat(avgNums[field]).toFixed(toFixed)) || text) : text;
                }()
                ,\'</div></td>\'].join(\'\');

            tds.push(td);
        });

        that.layAvg.find(\'tbody\').html(\'<tr>\' + tds.join(\'\') + \'</tr>\');
    }

    //数据合计行
    Class.prototype.renderTotal = function(data){
        var that = this
            ,options = that.config
            ,totalNums = {};
        var toFixed = options.totalRowTofixed>2 ?  2 : options.totalRowTofixed || 0;
        if(!options.totalRow) return;
        layui.each(data, function(i1, item1){
            if(item1.length === 0) return;

            that.eachCols(function(i3, item3){
                var field = item3.field || i3
                    ,content = item1[field];

                if(item3.totalRow){
                    totalNums[field] = (totalNums[field] || 0) + (parseFloat(content) || 0);
                }
            });
        });
        var tds = [];
        that.eachCols(function(i3, item3){
            var field = item3.field || i3;
            //td内容
            var td = [\'<td data-field="\'+ field +\'" data-key="\'+ options.index + \'-\'+ item3.key +\'" \'+ function(){
                var attr = [];
                if(item3.align) attr.push(\'align="\'+ item3.align +\'"\'); //对齐方式
                if(item3.style) attr.push(\'style="\'+ item3.style +\'"\'); //自定义样式
                if(item3.minWidth) attr.push(\'data-minwidth="\'+ item3.minWidth +\'"\'); //单元格最小宽度
                return attr.join(\' \');
            }() +\' class="\'+ function(){ //追加样式
                var classNames = [];
                if(item3.hide) classNames.push(HIDE); //插入隐藏列样式
                if(!item3.field) classNames.push(\'layui-table-col-special\'); //插入特殊列样式
                return classNames.join(\' \');
            }() +\'">\'
                ,\'<div class="layui-table-cell laytable-cell-\'+ function(){ //返回对应的CSS类标识
                    var str = (options.index + \'-\' + item3.key);
                    return item3.type === \'normal\' ? str
                        : (str + \' laytable-cell-\' + item3.type);
                }() +\'">\' + function(){
                    var text = item3.totalRowText || \'\';
                    return item3.totalRow ? (parseFloat(totalNums[field]).toFixed(toFixed) || text) : text;
                }()
                ,\'</div></td>\'].join(\'\');

            tds.push(td);
        });

        that.layTotal.find(\'tbody\').html(\'<tr>\' + tds.join(\'\') + \'</tr>\');
    };

    //找到对应的列元素
    Class.prototype.getColElem = function(parent, key){
        var that = this
            ,options = that.config;
        return parent.eq(0).find(\'.laytable-cell-\'+ (options.index + \'-\' + key) + \':eq(0)\');
    };

    //渲染表单
    Class.prototype.renderForm = function(type){
        form.render(type, \'LAY-table-\'+ this.index);
    };

    //标记当前行选中状态
    Class.prototype.setThisRowChecked = function(index){
        var that = this
            ,options = that.config
            ,ELEM_CLICK = \'layui-table-click\'
            ,tr = that.layBody.find(\'tr[data-index="\'+ index +\'"]\');

        tr.addClass(ELEM_CLICK).siblings(\'tr\').removeClass(ELEM_CLICK);
    };

    //数据排序
    Class.prototype.sort = function(th, type, pull, formEvent){
        var that = this
            ,field
            ,res = {}
            ,options = that.config
            ,filter = options.elem.attr(\'lay-filter\')
            ,data = table.cache[that.key], thisData;

        //字段匹配
        if(typeof th === \'string\'){
            that.layHeader.find(\'th\').each(function(i, item){
                var othis = $(this)
                    ,_field = othis.data(\'field\');
                if(_field === th){
                    th = othis;
                    field = _field;
                    return false;
                }
            });
        }

        try {
            var field = field || th.data(\'field\')
                ,key = th.data(\'key\');

            //如果欲执行的排序已在状态中,则不执行渲染
            if(that.sortKey && !pull){
                if(field === that.sortKey.field && type === that.sortKey.sort){
                    return;
                }
            }

            var elemSort = that.layHeader.find(\'th .laytable-cell-\'+ key).find(ELEM_SORT);
            that.layHeader.find(\'th\').find(ELEM_SORT).removeAttr(\'lay-sort\'); //清除其它标题排序状态
            elemSort.attr(\'lay-sort\', type || null);
            that.layFixed.find(\'th\')
        } catch(e){
            return hint.error(\'Table modules: Did not match to field\');
        }

        //记录排序索引和类型
        that.sortKey = {
            field: field
            ,sort: type
        };

        //默认为前端自动排序。如果否,则需自主排序(通常为服务端处理好排序)
        if(options.autoSort){
            if(type === \'asc\'){ //升序
                thisData = layui.sort(data, field);
            } else if(type === \'desc\'){ //降序
                thisData = layui.sort(data, field, true);
            } else { //清除排序
                thisData = layui.sort(data, table.config.indexName);
                delete that.sortKey;
            }
        }

        res[options.response.dataName] = thisData || data;
        that.renderData(res, that.page, that.count, true);

        if(formEvent){
            layui.event.call(th, MOD_NAME, \'sort(\'+ filter +\')\', {
                field: field
                ,type: type
            });
        }
    };

    //请求loading
    Class.prototype.loading = function(hide){
        var that = this
            ,options = that.config;
        if(options.loading){
            if(hide){
                that.layInit && that.layInit.remove();
                delete that.layInit;
                that.layBox.find(ELEM_INIT).remove();
            } else {
                that.layInit = $([\'<div class="layui-table-init">\'
                    ,\'<i class="layui-icon layui-icon-loading layui-anim layui-anim-rotate layui-anim-loop"></i>\'
                    ,\'</div>\'].join(\'\'));
                that.layBox.append(that.layInit);
            }
        }
    };

    //同步选中值状态
    Class.prototype.setCheckData = function(index, checked){
        var that = this
            ,options = that.config
            ,thisData = table.cache[that.key];
        if(!thisData[index]) return;
        if(thisData[index].constructor === Array) return;
        thisData[index][options.checkName] = checked;
    };

    //同步全选按钮状态
    Class.prototype.syncCheckAll = function(){
        var that = this
            ,options = that.config
            ,checkAllElem = that.layHeader.find(\'input[name="layTableCheckbox"]\')
            ,syncColsCheck = function(checked){
            that.eachCols(function(i, item){
                if(item.type === \'checkbox\'){
                    item[options.checkName] = checked;
                }
            });
            return checked;
        };

        if(!checkAllElem[0]) return;

        if(table.checkStatus(that.key).isAll){
            if(!checkAllElem[0].checked){
                checkAllElem.prop(\'checked\', true);
                that.renderForm(\'checkbox\');
            }
            syncColsCheck(true);
        } else {
            if(checkAllElem[0].checked){
                checkAllElem.prop(\'checked\', false);
                that.renderForm(\'checkbox\');
            }
            syncColsCheck(false);
        }
    };

    //获取cssRule
    Class.prototype.getCssRule = function(key, callback){
        var that = this
            ,style = that.elem.find(\'style\')[0]
            ,sheet = style.sheet || style.styleSheet || {}
            ,rules = sheet.cssRules || sheet.rules;
        layui.each(rules, function(i, item){
            if(item.selectorText === (\'.laytable-cell-\'+ key)){
                return callback(item), true;
            }
        });
    };

    //让表格铺满
    Class.prototype.fullSize = function(){
        var that = this
            ,options = that.config
            ,height = options.height, bodyHeight;

        if(that.fullHeightGap){
            height = _WIN.height() - that.fullHeightGap;
            if(height < 135) height = 135;
            that.elem.css(\'height\', height);
        }

        if(!height) return;

        //减去列头区域的高度
        bodyHeight = parseFloat(height) - (that.layHeader.outerHeight() || 38); //此处的数字常量是为了防止容器处在隐藏区域无法获得高度的问题,暂时只对默认尺寸的表格做支持。

        //减去工具栏的高度
        if(options.toolbar){
            bodyHeight = bodyHeight - (that.layTool.outerHeight() || 50);
        }

        //减去统计朗的高度
        if(options.totalRow){
            bodyHeight = bodyHeight - (that.layTotal.outerHeight() || 40);
        }

        //减去平均行的高度
        if(options.avgRow){
            bodyHeight = bodyHeight - (that.layAvg.outerHeight() || 40);
        }

        //减去分页栏的高度
        if(options.page){
            bodyHeight = bodyHeight - (that.layPage.outerHeight() || 41);
        }

        that.layMain.css(\'height\', bodyHeight - 2);
    };

    //获取滚动条宽度
    Class.prototype.getScrollWidth = function(elem){
        var width = 0;
        if(elem){
            width = elem.offsetWidth - elem.clientWidth;
        } else {
            elem = document.createElement(\'div\');
            elem.style.width = \'100px\';
            elem.style.height = \'100px\';
            elem.style.overflowY = \'scroll\';

            document.body.appendChild(elem);
            width = elem.offsetWidth - elem.clientWidth;
            document.body.removeChild(elem);
        }
        return width;
    };

    //滚动条补丁
    Class.prototype.scrollPatch = function(){
        var that = this
            ,layMainTable = that.layMain.children(\'table\')
            ,scollWidth = that.layMain.width() - that.layMain.prop(\'clientWidth\') //纵向滚动条宽度
            ,scollHeight = that.layMain.height() - that.layMain.prop(\'clientHeight\') //横向滚动条高度
            ,getScrollWidth = that.getScrollWidth(that.layMain[0]) //获取主容器滚动条宽度,如果有的话
            ,outWidth = layMainTable.outerWidth() - that.layMain.width() //表格内容器的超出宽度

            //添加补丁
            ,addPatch = function(elem){
                if(scollWidth && scollHeight){
                    elem = elem.eq(0);
                    if(!elem.find(\'.layui-table-patch\')[0]){
                        var patchElem = $(\'<th class="layui-table-patch"><div class="layui-table-cell"></div></th>\'); //补丁元素
                        patchElem.find(\'div\').css({
                            width: scollWidth
                        });
                        elem.find(\'tr\').append(patchElem);
                    }
                } else {
                    elem.find(\'.layui-table-patch\').remove();
                }
            }

        addPatch(that.layHeader);
        addPatch(that.layTotal);
        //固定列区域高度
        var mainHeight = that.layMain.height()
            ,fixHeight = mainHeight - scollHeight;
        that.layFixed.find(ELEM_BODY).css(\'height\', layMainTable.height() >= fixHeight ? fixHeight : \'auto\');

        //表格宽度小于容器宽度时,隐藏固定列
        that.layFixRight[outWidth > 0 ? \'removeClass\' : \'addClass\'](HIDE);

        //操作栏
        that.layFixRight.css(\'right\', scollWidth - 1);
    };

    //事件处理
    Class.prototype.events = function(){
        var that = this
            ,options = that.config
            ,_BODY = $(\'body\')
            ,dict = {}
            ,th = that.layHeader.find(\'th\')
            ,resizing
            ,ELEM_CELL = \'.layui-table-cell\'
            ,filter = options.elem.attr(\'lay-filter\');

        //工具栏操作事件
        that.layTool.on(\'click\', \'*[lay-event]\', function(e){
            var othis = $(this)
                ,events = othis.attr(\'lay-event\')
                ,openPanel = function(sets){
                var list = $(sets.list)
                    ,panel = $(\'<ul class="layui-table-tool-panel"></ul>\');

                panel.html(list);

                //限制最大高度
                if(options.height){
                    panel.css(\'max-height\', options.height - (that.layTool.outerHeight() || 50));
                }

                //插入元素
                othis.find(\'.layui-table-tool-panel\')[0] || othis.append(panel);
                that.renderForm();

                panel.on(\'click\', function(e){
                    layui.stope(e);
                });

                sets.done && sets.done(panel, list)
            };

            layui.stope(e);
            _DOC.trigger(\'table.tool.panel.remove\');
            layer.close(that.tipsIndex);

            switch(events){
                case \'LAYTABLE_COLS\': //筛选列
                    openPanel({
                        list: function(){
                            var lis = [];
                            that.eachCols(function(i, item){
                                if(item.field && item.type == \'normal\'){
                                    lis.push(\'<li><input type="checkbox" name="\'+ item.field +\'" data-key="\'+ item.key +\'" data-parentkey="\'+ (item.parentKey||\'\') +\'" lay-skin="primary" \'+ (item.hide ? \'\' : \'checked\') +\' title="\'+ (item.title || item.field) +\'" lay-filter="LAY_TABLE_TOOL_COLS"></li>\');
                                }
                            });
                            return lis.join(\'\');
                        }()
                        ,done: function(){
                            form.on(\'checkbox(LAY_TABLE_TOOL_COLS)\', function(obj){
                                var othis = $(obj.elem)
                                    ,checked = this.checked
                                    ,key = othis.data(\'key\')
                                    ,parentKey = othis.data(\'parentkey\');

                                layui.each(options.cols, function(i1, item1){
                                    layui.each(item1, function(i2, item2){
                                        if(i1+ \'-\'+ i2 === key){
                                            var hide = item2.hide;

                                            //同步勾选列的 hide 值和隐藏样式
                                            item2.hide = !checked;
                                            that.elem.find(\'*[data-key="\'+ options.index +\'-\'+ key +\'"]\')
                                                [checked ? \'removeClass\' : \'addClass\'](HIDE);

                                            //根据列的显示隐藏,同步多级表头的父级相关属性值
                                            if(hide != item2.hide){
                                                that.setParentCol(!checked, parentKey);
                                            }

                                            //重新适配尺寸
                                            that.resize();
                                        }
                                    });
                                });
                            });
                        }
                    });
                    break;
                case \'LAYTABLE_EXPORT\': //导出
                    if(device.ie){
                        layer.tips(\'导出功能不支持 IE,请用 Chrome 等高级浏览器导出\', this, {
                            tips: 3
                        })
                    } else {
                        openPanel({
                            list: function(){
                                return [
                                    \'<li data-type="csv">导出到 Csv 文件</li>\'
                                    ,\'<li data-type="xls">导出到 Excel 文件</li>\'
                                ].join(\'\')
                            }()
                            ,done: function(panel, list){
                                list.on(\'click\', function(){
                                    var type = $(this).data(\'type\')
                                    table.exportFile(options.id, null, type);
                                });
                            }
                        });
                    }
                    break;
                case \'LAYTABLE_PRINT\': //打印
                    var printWin = window.open(\'打印窗口\', \'_blank\')
                        ,style = [\'<style>\'
                        ,\'body{font-size: 12px; color: #666;}\'
                        ,\'table{width: 100%; border-collapse: collapse; border-spacing: 0;}\'
                        ,\'th,td{line-height: 20px; padding: 9px 15px; border: 1px solid #ccc; text-align: left; font-size: 12px; color: #666;}\'
                        ,\'a{color: #666; text-decoration:none;}\'
                        ,\'*.layui-hide{display: none}\'
                        ,\'</style>\'].join(\'\')
                        ,html = $(that.layHeader.html()); //输出表头

                    html.append(that.layMain.find(\'table\').html()); //输出表体
                    html.append(that.layTotal.find(\'table\').html()) //输出合计行
                    html.append(that.layAvg.find(\'table\').html()) //输出合计行
                    html.find(\'th.layui-table-patch\').remove(); //移除补丁
                    html.find(\'.layui-table-col-special\').remove(); //移除特殊列

                    printWin.document.write(style + html.prop(\'outerHTML\'));
                    printWin.document.close();
                    printWin.print();
                    printWin.close();
                    break;
            }

            layui.event.call(this, MOD_NAME, \'toolbar(\'+ filter +\')\', $.extend({
                event: events
                ,config: options
            },{}));
        });

        //拖拽调整宽度
        th.on(\'mousemove\', function(e){
            var othis = $(this)
                ,oLeft = othis.offset().left
                ,pLeft = e.clientX - oLeft;
            if(othis.data(\'unresize\') || dict.resizeStart){
                return;
            }
            dict.allowResize = othis.width() - pLeft <= 10; //是否处于拖拽允许区域
            _BODY.css(\'cursor\', (dict.allowResize ? \'col-resize\' : \'\'));
        }).on(\'mouseleave\', function(){
            var othis = $(this);
            if(dict.resizeStart) return;
            _BODY.css(\'cursor\', \'\');
        }).on(\'mousedown\', function(e){
            var othis = $(this);
            if(dict.allowResize){
                var key = othis.data(\'key\');
                e.preventDefault();
                dict.resizeStart = true; //开始拖拽
                dict.offset = [e.clientX, e.clientY]; //记录初始坐标

                that.getCssRule(key, function(item){
                    var width = item.style.width || othis.outerWidth();
                    dict.rule = item;
                    dict.ruleWidth = parseFloat(width);
                    dict.minWidth = othis.data(\'minwidth\') || options.cellMinWidth;
                });
            }
        });

        //拖拽中
        _DOC.on(\'mousemove\', function(e){
            if(dict.resizeStart){
                e.preventDefault();
                if(dict.rule){
                    var setWidth = dict.ruleWidth + e.clientX - dict.offset[0];
                    if(setWidth < dict.minWidth) setWidth = dict.minWidth;
                    dict.rule.style.width = setWidth + \'px\';
                    layer.close(that.tipsIndex);
                }
                resizing = 1
            }
        }).on(\'mouseup\', function(e){
            if(dict.resizeStart){
                dict = {};
                _BODY.css(\'cursor\', \'\');
                that.scrollPatch();
            }
            if(resizing === 2){
                resizing = null;
            }
        });

        //排序
        th.on(\'click\', function(e){
            var othis = $(this)
                ,elemSort = othis.find(ELEM_SORT)
                ,nowType = elemSort.attr(\'lay-sort\')
                ,type;

            if(!elemSort[0] || resizing === 1) return resizing = 2;

            if(nowType === \'asc\'){
                type = \'desc\';
            } else if(nowType === \'desc\'){
                type = null;
            } else {
                type = \'asc\';
            }
            that.sort(othis, type, null, true);
        }).find(ELEM_SORT+\' .layui-edge \').on(\'click\', function(e){
            var othis = $(this)
                ,index = othis.index()
                ,field = othis.parents(\'th\').eq(0).data(\'field\')
            layui.stope(e);
            if(index === 0){
                that.sort(field, \'asc\', null, true);
            } else {
                that.sort(field, \'desc\', null, true);
            }
        });

        //数据行中的事件监听返回的公共对象成员
        var commonMember = function(sets){
            var othis = $(this)
                ,index = othis.parents(\'tr\').eq(0).data(\'index\')
                ,tr = that.layBody.find(\'tr[data-index="\'+ index +\'"]\')
                ,data = table.cache[that.key] || [];


            data = data[index] || {};

            return $.extend({
                tr: tr //行元素
                ,data: table.clearCacheKey(data) //当前行数据
                ,del: function(){ //删除行数据
                    table.cache[that.key][index] = [];
                    tr.remove();
                    that.scrollPatch();
                }
                ,update: function(fields){ //修改行数据
                    fields = fields || {};
                    layui.each(fields, function(key, value){
                        if(key in data){
                            var templet, td = tr.children(\'td[data-field="\'+ key +\'"]\');
                            data[key] = value;
                            that.eachCols(function(i, item2){
                                if(item2.field == key && item2.templet){
                                    templet = item2.templet;
                                }
                            });
                            td.children(ELEM_CELL).html(function(){
                                return templet ? function(){
                                    return typeof templet === \'function\'
                                        ? templet(data)
                                        : laytpl($(templet).html() || value).render(data)
                                }() : value;
                            }());
                            td.data(\'content\', value);
                        }
                    });
                }
            }, sets);
        };

        //复选框选择
        that.elem.on(\'click\', \'input[name="layTableCheckbox"]+\', function(){ //替代元素的 click 事件
            var checkbox = $(this).prev()
                ,childs = that.layBody.find(\'input[name="layTableCheckbox"]\')
                ,index = checkbox.parents(\'tr\').eq(0).data(\'index\')
                ,checked = checkbox[0].checked
                ,isAll = checkbox.attr(\'lay-filter\') === \'layTableAllChoose\';

            //全选
            if(isAll){
                childs.each(function(i, item){
                    item.checked = checked;
                    that.setCheckData(i, checked);
                });
                that.syncCheckAll();
                that.renderForm(\'checkbox\');
            } else {
                that.setCheckData(index, checked);
                that.syncCheckAll();
            }

            layui.event.call(checkbox[0], MOD_NAME, \'checkbox(\'+ filter +\')\', commonMember.call(checkbox[0], {
                checked: checked
                ,type: isAll ? \'all\' : \'one\'
            }));
        });

        //单选框选择
        that.elem.on(\'click\', \'input[lay-type="layTableRadio"]+\', function(){
            var radio = $(this).prev()
                ,checked = radio[0].checked
                ,thisData = table.cache[that.key]
                ,index = radio.parents(\'tr\').eq(0).data(\'index\');

            //重置数据单选属性
            layui.each(thisData, function(i, item){
                if(index === i){
                    item.LAY_CHECKED = true;
                } else {
                    delete item.LAY_CHECKED;
                }
            });
            that.setThisRowChecked(index);

            layui.event.call(this, MOD_NAME, \'radio(\'+ filter +\')\', commonMember.call(this, {
                checked: checked
            }));
        });

        //行事件
        that.layBody.on(\'mouseenter\', \'tr\', function(){ //鼠标移入行
            var othis = $(this)
                ,index = othis.index();
            if(othis.data(\'off\')) return; //不触发事件
            that.layBody.find(\'tr:eq(\'+ index +\')\').addClass(ELEM_HOVER)
        }).on(\'mouseleave\', \'tr\', function(){ //鼠标移出行
            var othis = $(this)
                ,index = othis.index();
            if(othis.data(\'off\')) return; //不触发事件
            that.layBody.find(\'tr:eq(\'+ index +\')\').removeClass(ELEM_HOVER)
        }).on(\'click\', \'tr\', function(){ //单击行
            setRowEvent.call(this, \'row\');
        }).on(\'dblclick\', \'tr\', function(){ //双击行
            setRowEvent.call(this, \'rowDouble\');
        });

        //创建行单击、双击事件监听
        var setRowEvent = function(eventType){
            var othis = $(this);
            if(othis.data(\'off\')) return; //不触发事件
            layui.event.call(this,
                MOD_NAME, eventType + \'(\'+ filter +\')\'
                ,commonMember.call(othis.children(\'td\')[0])
            );
        };

        //单元格编辑
        that.layBody.on(\'change\', \'.\'+ELEM_EDIT, function(){
            var othis = $(this)
                ,value = this.value
                ,field = othis.parent().data(\'field\')
                ,index = othis.parents(\'tr\').eq(0).data(\'index\')
                ,data = table.cache[that.key][index];

            data[field] = value; //更新缓存中的值

            layui.event.call(this, MOD_NAME, \'edit(\'+ filter +\')\', commonMember.call(this, {
                value: value
                ,field: field
            }));
        }).on(\'blur\', \'.\'+ELEM_EDIT, function(){
            var templet
                ,othis = $(this)
                ,thisElem = this
                ,field = othis.parent().data(\'field\')
                ,index = othis.parents(\'tr\').eq(0).data(\'index\')
                ,data = table.cache[that.key][index];
            that.eachCols(function(i, item){
                if(item.field == field && item.templet){
                    templet = item.templet;
                }
            });
            othis.siblings(ELEM_CELL).html(function(value){
                return templet ? function(){
                    return typeof templet === \'function\'
                        ? templet(data)
                        : laytpl($(templet).html() || thisElem.value).render(data)
                }() : value;
            }(thisElem.value));
            othis.parent().data(\'content\', thisElem.value);
            othis.remove();
        });

        //单元格单击事件
        that.layBody.on(\'click\', \'td\', function(e){
            var othis = $(this)
                ,field = othis.data(\'field\')
                ,editType = othis.data(\'edit\')
                ,elemCell = othis.children(ELEM_CELL);

            if(othis.data(\'off\')) return; //不触发事件

            //显示编辑表单
            if(editType){
                var input = $(\'<input class="layui-input \'+ ELEM_EDIT +\'">\');
                input[0].value = othis.data(\'content\') || elemCell.text();
                othis.find(\'.\'+ELEM_EDIT)[0] || othis.append(input);
                input.focus();
                layui.stope(e);
                return;
            }
        }).on(\'mouseenter\', \'td\', function(){
            gridExpand.call(this)
        }).on(\'mouseleave\', \'td\', function(){
            gridExpand.call(this, \'hide\');
        });

        //单元格展开图标
        var ELEM_GRID = \'layui-table-grid\', ELEM_GRID_DOWN = \'layui-table-grid-down\', ELEM_GRID_PANEL = \'layui-table-grid-panel\'
            ,gridExpand = function(hide){
            var othis = $(this)
                ,elemCell = othis.children(ELEM_CELL);

            if(othis.data(\'off\')) return; //不触发事件

            if(hide){
                othis.find(\'.layui-table-grid-down\').remove();
            } else if(elemCell.prop(\'scrollWidth\') > elemCell.outerWidth()){
                if(elemCell.find(\'.\'+ ELEM_GRID_DOWN)[0]) return;
                othis.append(\'<div class="\'+ ELEM_GRID_DOWN +\'"><i class="layui-icon layui-icon-down"></i></div>\');
            }
        };

        //单元格展开事件
        that.layBody.on(\'click\', \'.\'+ ELEM_GRID_DOWN, function(e){
            var othis = $(this)
                ,td = othis.parent()
                ,elemCell = td.children(ELEM_CELL);

            that.tipsIndex = layer.tips([
                \'<div class="layui-table-tips-main" style="margin-top: -\'+ (elemCell.height() + 16) +\'px;\'+ function(){
                    if(options.size === \'sm\'){
                        return \'padding: 4px 15px; font-size: 12px;\';
                    }
                    if(options.size === \'lg\'){
                        return \'padding: 14px 15px;\';
                    }
                    return \'\';
                }() +\'">\'
                ,elemCell.html()
                ,\'</div>\'
                ,\'<i class="layui-icon layui-table-tips-c layui-icon-close"></i>\'
            ].join(\'\'), elemCell[0], {
                tips: [3, \'\']
                ,time: -1
                ,anim: -1
                ,maxWidth: (device.ios || device.android) ? 300 : that.elem.width()/2
                ,isOutAnim: false
                ,skin: \'layui-table-tips\'
                ,success: function(layero, index){
                    layero.find(\'.layui-table-tips-c\').on(\'click\', function(){
                        layer.close(index);
                    });
                }
            });

            layui.stope(e);
        });

        //行工具条操作事件
        that.layBody.on(\'click\', \'*[lay-event]\', function(){
            var othis = $(this)
                ,index = othis.parents(\'tr\').eq(0).data(\'index\');
            layui.event.call(this, MOD_NAME, \'tool(\'+ filter +\')\', commonMember.call(this, {
                event: othis.attr(\'lay-event\')
            }));
            that.setThisRowChecked(index);
        });

        //同步滚动条
        that.layMain.on(\'scroll\', function(){
            var othis = $(this)
                ,scrollLeft = othis.scrollLeft()
                ,scrollTop = othis.scrollTop();

            that.layHeader.scrollLeft(scrollLeft);
            that.layTotal.scrollLeft(scrollLeft);
            that.layFixed.find(ELEM_BODY).scrollTop(scrollTop);

            layer.close(that.tipsIndex);
        });

        //全局点击
        _DOC.on(\'click\', function(){
            _DOC.trigger(\'table.remove.tool.panel\');
        });

        //工具面板移除事件
        _DOC.on(\'table.remove.tool.panel\', function(){
            $(\'.layui-table-tool-panel\').remove();
        });

        //自适应
        _WIN.on(\'resize\', function(){
            that.resize();
        });
    };

    //初始化
    table.init = function(filter, settings){
        settings = settings || {};
        var that = this
            ,elemTable = filter ? $(\'table[lay-filter="\'+ filter +\'"]\') : $(ELEM + \'[lay-data]\')
            ,errorTips = \'Table element property lay-data configuration item has a syntax error: \';

        //遍历数据表格
        elemTable.each(function(){
            var othis = $(this), tableData = othis.attr(\'lay-data\');

            try{
                tableData = new Function(\'return \'+ tableData)();
            } catch(e){
                hint.error(errorTips + tableData)
            }

            var cols = [], options = $.extend({
                elem: this
                ,cols: []
                ,data: []
                ,skin: othis.attr(\'lay-skin\') //风格
                ,size: othis.attr(\'lay-size\') //尺寸
                ,even: typeof othis.attr(\'lay-even\') === \'string\' //偶数行背景
            }, table.config, settings, tableData);

            filter && othis.hide();

            //获取表头数据
            othis.find(\'thead>tr\').each(function(i){
                options.cols[i] = [];
                $(this).children().each(function(ii){
                    var th = $(this), itemData = th.attr(\'lay-data\');

                    try{
                        itemData = new Function(\'return \'+ itemData)();
                    } catch(e){
                        return hint.error(errorTips + itemData)
                    }

                    var row = $.extend({
                        title: th.text()
                        ,colspan: th.attr(\'colspan\') || 0 //列单元格
                        ,rowspan: th.attr(\'rowspan\') || 0 //行单元格
                    }, itemData);

                    if(row.colspan < 2) cols.push(row);
                    options.cols[i].push(row);
                });
            });

            //获取表体数据
            othis.find(\'tbody>tr\').each(function(i1){
                var tr = $(this), row = {};
                //如果定义了字段名
                tr.children(\'td\').each(function(i2, item2){
                    var td = $(this)
                        ,field = td.data(\'field\');
                    if(field){
                        return row[field] = td.html();
                    }
                });
                //如果未定义字段名
                layui.each(cols, function(i3, item3){
                    var td = tr.children(\'td\').eq(i3);
                    row[item3.field] = td.html();
                });
                options.data[i1] = row;
            });
            table.render(options);
        });

        return that;
    };

    //记录所有实例
    thisTable.that = {}; //记录所有实例对象
    thisTable.config = {}; //记录所有实例配置项

    //遍历表头
    table.eachCols = function(id, callback, cols){
        var config = thisTable.config[id] || {}
            ,arrs = [], index = 0;

        cols = $.extend(true, [], cols || config.cols);

        //重新整理表头结构
        layui.each(cols, function(i1, item1){
            layui.each(item1, function(i2, item2){

                //如果是组合列,则捕获对应的子列
                if(item2.colGroup){
                    var childIndex = 0;
                    index++
                    item2.CHILD_COLS = [];

                    layui.each(cols[i1 + 1], function(i22, item22){
                        //如果子列已经被标注为{PARENT_COL_INDEX},或者子列累计 colspan 数等于父列定义的 colspan,则跳出当前子列循环
                        if(item22.PARENT_COL_INDEX || (childIndex > 1 && childIndex == item2.colspan)) return;

                        item22.PARENT_COL_INDEX = index;

                        item2.CHILD_COLS.push(item22);
                        childIndex = childIndex + parseInt(item22.colspan > 1 ? item22.colspan : 1);
                    });
                }

                if(item2.PARENT_COL_INDEX) return; //如果是子列,则不进行追加,因为已经存储在父列中
                arrs.push(item2)
            });
        });

        //重新遍历列,如果有子列,则进入递归
        var eachArrs = function(obj){
            layui.each(obj || arrs, function(i, item){
                if(item.CHILD_COLS) return eachArrs(item.CHILD_COLS);
                typeof callback === \'function\' && callback(i, item);
            });
        };

        eachArrs();
    };

    //表格选中状态
    table.checkStatus = function(id){
        var nums = 0
            ,invalidNum = 0
            ,arr = []
            ,data = table.cache[id] || [];
        //计算全选个数
        layui.each(data, function(i, item){
            if(item.constructor === Array){
                invalidNum++; //无效数据,或已删除的
                return;
            }
            if(item[table.config.checkName]){
                nums++;
                arr.push(table.clearCacheKey(item));
            }
        });
        return {
            data: arr //选中的数据
            ,isAll: data.length ? (nums === (data.length - invalidNum)) : false //是否全选
        };
    };

    //表格导出
    table.exportFile = function(id, data, type){
        data = data || table.clearCacheKey(table.cache[id]);
        type = type || \'csv\';

        var config = thisTable.config[id] || {}
            ,textType = ({
            csv: \'text/csv\'
            ,xls: \'application/vnd.ms-excel\'
        })[type]
            ,alink = document.createElement("a");

        if(device.ie) return hint.error(\'IE_NOT_SUPPORT_EXPORTS\');

        alink.href = \'data:\'+ textType +\';charset=utf-8,\ufeff\'+ encodeURIComponent(function(){
            var dataTitle = [], dataMain = [];
            layui.each(data, function(i1, item1){
                var vals = [];
                if(typeof id === \'object\'){ //ID直接为表头数据
                    layui.each(id, function(i, item){
                        i1 == 0 && dataTitle.push(item || \'\');
                    });
                    layui.each(table.clearCacheKey(item1), function(i2, item2){
                        vals.push(\'"\'+ (item2 || \'\') +\'"\');
                    });
                } else {
                    table.eachCols(id, function(i3, item3){
                        if(item3.field && item3.type == \'normal\' && !item3.hide){
                            i1 == 0 && dataTitle.push(item3.title || \'\');
                            vals.push(\'"\'+ parseTempData(item3, item1[item3.field], item1, \'text\') + \'"\');
                        }
                    });
                }
                dataMain.push(vals.join(\',\'))
            });

            return dataTitle.join(\',\') + \'\r\n\' + dataMain.join(\'\r\n\');
        }());

        alink.download = (config.title || \'table_\'+ (config.index || \'\')) + \'.\' + type;
        document.body.appendChild(alink);
        alink.click();
        document.body.removeChild(alink);
    };

    //重置表格尺寸结构
    table.resize = function(id){
        //如果指定表格唯一 id,则只执行该 id 对应的表格实例
        if(id){
            var config = getThisTableConfig(id); //获取当前实例配置项
            if(!config) return;

            thisTable.that[id].resize();

        } else { //否则重置所有表格实例尺寸
            layui.each(thisTable.that, function(){
                this.resize();
            });
        }
    };

    //表格重载
    table.reload = function(id, options){
        var config = getThisTableConfig(id); //获取当前实例配置项
        if(!config) return;

        var that = thisTable.that[id];
        that.reload(options);

        return thisTable.call(that);
    };

    //核心入口
    table.render = function(options){
        var inst = new Class(options);
        return thisTable.call(inst);
    };

    //清除临时Key
    table.clearCacheKey = function(data){
        data = $.extend({}, data);
        delete data[table.config.checkName];
        delete data[table.config.indexName];
        return data;
    };

    //自动完成渲染
    table.init();

    exports(MOD_NAME, table);
});

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