这篇博客的主题是实现对话窗口的添加、编辑和删除。我们总共分成五步:
1、制作对话窗口html

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<%-- 弹出操作框--%>
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<div id="dlg" class="easyui-dialog" style="width: 400px; height: auto; padding: 10px 20px"
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data-options="closed:true,buttons:'#dlg-buttons'"> <%--closed="true" buttons="#dlg-buttons"--%>
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<div class="ftitle">管理员信息</div>
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<form id="fm" method="post">
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<div class="fitem">
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<label>用户名:</label>
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<input id="firstname" name="firstname" class="easyui-validatebox" data-options="required:true"/>
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</div>
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<div class="fitem">
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<label>密码:</label>
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<input id="password" name="password" class="easyui-validatebox" data-options="required:true"/>
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<input name="Test" id="test" type="hidden" />
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<input name="AdminID" id="AdminID" type="hidden" />
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<input id="key" name="key" onkeydown= "if(event.keyCode==13)reloadgrid()" type="hidden"/>
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</div>
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<div class="fitem">
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<label>员工姓名:</label>
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<input id="workerName" name="workerName" class="easyui-combobox"/>
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</div>
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<div class="fitem">
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<label>权限:</label>
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<input id="adminRightName" name="adminRightName" class="easyui-combobox"/>
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</div>
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<div class="fitem">
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<label>备注:</label>
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<textarea id="message" name="message" style="width:150px;"></textarea>
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</div>
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</form>
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</div>
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<div id="dlg-buttons">
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<a href="#" class="easyui-linkbutton" data-options="iconCls:'icon-ok'" onclick="saveUser()">保存</a>
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<a href="#" class="easyui-linkbutton" data-options="iconCls:'icon-cancel'" onclick="javascript:$('#dlg').dialog('close')">关闭</a>
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</div>
弹出对话窗口的js
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//添加管理员
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function newUser() {
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//清空内容
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$('#fm').form('clear');
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//加载工作人员的姓名和权限
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loadWorkerNameAndRightName();
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$('#dlg').dialog('open').dialog('setTitle', '添加管理员');
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document.getElementById("test").value = "add";
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}
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//修改管理员
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function editUser() {
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var row = $('#tt').datagrid('getSelected');
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if (row == null) {
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$.messager.alert("提示", "请选择要修改的行!", "info");
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}
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//加载工作人员的姓名和权限
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loadWorkerNameAndRightName()
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if (row) {
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//获取要修改的字段
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$('#firstname').val(row.AdminName);
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$('#password').val(row.AdminPassword);
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//$('#adminRightName').val(row.AdminRightName);
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//$('#adminRightName').combobox('setValue', row.AdminRightName);
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////$('#workerName').val(row.WorkerRealName);
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//$('#workerName').combobox('setValue', row.WorkerRealName);
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$('#message').val(row.AdminState)
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$('#dlg').dialog('open').dialog('setTitle', '修改管理员');
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document.getElementById("test").value = "modify";
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$('#fm').form('load', row);
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}
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}
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3.实现对话框中下拉框的动态加载
在博客开头为大家设置了一个悬念,在实现过程中遇到了困难,就是在下拉框动态加载数据时,显示的是一个数据库信息,更新的时候要更新此显示信息的数据库主键。多个下拉框的实现方案和一个下拉框是一样的。
解决方案:
只需要调用一般处理程序,将所需数据转化成json作为返回值,发送到界面端,显示在下拉框中的数据绑定到combobox的textField属性中,需要更新的数据绑定到valueField属性中,此时一切都ok了。
实现效果:

实现代码js:
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//加载工作人员的姓名和权限
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function loadWorkerNameAndRightName() {
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var queryWorkerName = "SetAdmin.ashx?test=queryWorkerName";
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$.getJSON(queryWorkerName, function (json) {
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$('#workerName').combobox({
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data: json.rows,
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valueField: 'WorkerID',
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textField: 'WorkerRealName',
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required: 'true',
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editable: 'false'
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});
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})
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var queryRightName = "SetAdmin.ashx?test=queryRightName";
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$.getJSON(queryRightName, function (json) {
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$('#adminRightName').combobox({
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data: json.rows,
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valueField: 'AdminRightID',
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textField: 'AdminRightName',
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required: 'true',
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panelHeight: 'auto'
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});
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})
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}
4.实现对话窗口的保存和取消功能
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//保存信息
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function saveUser() {
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var firstname = document.getElementById("firstname").value;
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var password = document.getElementById("password").value;
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var workerID = $("#workerName").combobox("getValue");;
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var adminRightID = $("#adminRightName").combobox("getValue");
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var message = document.getElementById("message").value;
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var test = document.getElementById("test").value;
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if (test == "add") {
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$('#fm').form('submit', {
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url: "SetAdmin.ashx?test=" + test + "&firstname=" + firstname + "&password=" + password + "&workerID=" + workerID +
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adminRightID=" + adminRightID + "&message=" + message,
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onSubmit: function () {
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return $(this).form('validate');
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},
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success: function (result) {
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if (result.indexOf("T") == 0) {
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$('#dlg').dialog('close');
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$.messager.alert("提示", "恭喜您,信息添加成功", "info");
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//alert('恭喜您,信息添加成功!')
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// close the dialog
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$('#tt').datagrid('reload');
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//$('#fm').form('submit');
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}
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else {
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$.messager.alert("提示", "添加失败,请重新操作!", "info");
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return;
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//alert('添加失败,请重新操作!')
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}
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//var result = eval('(' + result + ')');
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//if (result.success) {
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// $('#dlg').dialog('close'); // close the dialog
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// $('#tt').datagrid('reload'); // reload the user data
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//} else {
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// $.messager.show({
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// title: 'Error',
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// msg: result.msg
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// });
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//}
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}
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});
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} else {
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var row = $('#tt').datagrid('getSelected');
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if (row) {
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//获取要修改的字段
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var adminID = row.AdminID;
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}
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$('#fm').form('submit', {
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url: "SetAdmin.ashx?test=" + test + "&adminID=" + adminID + "&firstname=" + firstname + "&password=" + password + "&workerID=" +
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ID + "&adminRightID=" + adminRightID + "&message=" + message,
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onSubmit: function () {
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return $(this).form('validate');
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},
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success: function (result) {
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if (result.indexOf("T") == 0) {
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$('#dlg').dialog('close');
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$('#tt').datagrid('clearSelections'); //清空选中的行
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$.messager.alert("提示", "恭喜您,信息修改成功", "info");
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//alert('恭喜您,信息添加成功!')
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// close the dialog
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$('#tt').datagrid('reload');
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$('#fm').form('submit');
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}
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else {
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$.messager.alert("提示", "修改失败,请重新操作!", "info");
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return;
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//alert('添加失败,请重新操作!')
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}
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//var result = eval('(' + result + ')');
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//if (result.success) {
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// $('#dlg').dialog('close'); // close the dialog
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// $('#tt').datagrid('reload'); // reload the user data
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//} else {
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// $.messager.show({
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// title: 'Error',
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// msg: result.msg
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// });
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//}
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}
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});
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}
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}
5.实现删除功能
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//删除管理员
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function removeUser() {
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var test = document.getElementById("test").value = "delete";
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var row = $('#tt').datagrid('getSelected');
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if (row == null) {
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$.messager.alert("提示", "请选择要删除的行!", "info");
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}
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if (row) {
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$.messager.confirm('提示', '你确定要删除这条信息吗?', function (r) {
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if (r) {
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$('#fm').form('submit', {
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url: 'SetAdmin.ashx/ProcessRequest?AdminID=' + row.AdminID + "&test=" + test,
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onSubmit: function () {
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//return $(this).form('validate');
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},
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success: function (result) {
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if (result.indexOf("T") == 0) {
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$('#dlg').dialog('close');
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$('#tt').datagrid('clearSelections'); //清空选中的行
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$.messager.alert("提示", "恭喜您,信息删除成功!", "info");
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//alert('恭喜您,信息删除成功!')
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// close the dialog
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$('#tt').datagrid('reload');
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$('#fm').form('submit');
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}
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else {
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$.messager.alert("提示", "添加失败,请重新操作!", "info");
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//alert('添加失败,请重新操作!')
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return;
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//$('#fm').form('submit');
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}
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}
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});
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}
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})
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}
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}
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