• select菜单实现二级联动

  • 发布日期:2013-10-08 21:40:12   作者:w_basketboy  
  • <tr>
                    <th>执行人<b>*</b></th>
                    <td>
                        <select name="jdcld.ZXDW" id="zxrDw" onchange="zxDwChange()" class="select" style="width:230px">
                            <option value="">选择部门</option>
                        <#if zxrBm??&&zxrBm?size!=0>
                            <#list zxrBm as bm>
                                <option value="${bm['id']}">${bm['mc']}</option>
                            </#list>
                        </#if>
                        </select>
                        <select name="jdcld.ZXRID" id="zxrId" class="select" style="width:230px">
                            <option value="">选择民警</option>
                        </select>
                        <input type="hidden" name="jdcld.ZXRXM"/>
                    </td>
    </tr>
    function zxDwChange() {
            var bmid = $("#zxrDw").val();
            alert(bmid);
            $("#zxrId").empty();
            var text = "<option value=''>选择民警</option>";
            $.post("${base}/zfjd/zxrList", {"bmid":bmid}, function(data) {
                if (data != "") {
                    var dataArr = eval('(' + data + ')');
                    for (var i in dataArr) {
                        text += "<option value='" + dataArr[i].value + "'>" + dataArr[i].title + "</option>";
                    }
                    if (text == "<option value=''>选择民警</option>") {
                        $("#zxrId").append("<option value=''>选择民警</option>");
                    } else
                        $("#zxrId").append(text);
                } else {
                    $("#zxrId").append("<option value=''>选择民警</option>");
                }
            });
        }
    @Action("zxrList")
        public void zxrList() {
            try {
                if (request.getParameter("bmid").equals("")) {
    
                } else {
                    Integer bmid = Integer.parseInt(request.getParameter("bmid"));
                    zxr = policeMenService.getZxr(bmid);
                    String json = "[";
                    if (null != zxr && zxr.size() > 0) {
                        for (Map map : zxr) {
                            json += "{\"value\":\"" + map.get("id") + "\",\"title\":\"" + map.get("xm") + "\"},";
                        }
                        json = json.substring(0, json.length() - 1);
                    }
                    json += "]";
                    super.renderText(json);
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

     

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