jsp在select中的option中编写if标签

<select onchange="lxx(this)">
<option value="">全部</option>
<option value="水电" <c:if test='${lx=="水电"}'>selected=selected</c:if> >水电</option>
<option value="火电" <c:if test='${lx=="火电"}'>selected=selected</c:if>>火电</option>
<option value="风电" <c:if test='${lx=="风电"}'>selected=selected</c:if>>风电</option>
<option value="光伏" <c:if test='${lx=="光伏"}'>selected=selected</c:if>>光伏</option>
</select>

 

 

    function updateWczZt(obj) {
        var zt = $(obj).val();
        var msg = '';
        if (zt == '' || zt == null || zt == 'N') {
            msg = "移除误差？";
            zt = "N";
        } else {
            msg = "添加错差？";
            zt = "Y";
        }
        $.ligerDialog.confirm(msg, function(yes) {
            if (yes) {
                    var id = $("input[name='id']").val();
                    var url = __ctx + "/yjdlfh/yjdlfh/yjdlfhzb/updateWczZt.ht";
                    var params = {
                        id : id,
                        zt : zt
                    }
                    $.ajax({
                        url : url,
                        data : params,
                        type : "post",
                        async : true,
                        success : function(rtn) {
                            if (rtn == "true") {
                                $.ligerDialog.success("修改成功");
                                var tjrq = $("input[name='rq']").val();
                                location.href = __ctx
                                        + "/yjdlfh/yjdlfh/yjdlfhzb/edit.ht?tjrq="
                                        + tjrq;
                            } else {
                                $.ligerDialog.alert("修改失败");
                            }
                        },
                        error : function() {
                            $.ligerDialog.alert("修改失败");
                        }
                    });
                }
            });
        
    }

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