本文实例为大家分享了jquery实现三级联动的具体代码,供大家参考,具体内容如下
jsp页面部分:
- <li id="floors">
- <span class="title" id="floorShow">选择楼栋:</span>
- <select name="build" id="build" style="width: 282px;height: 40px;" onchange="floor2()">
- </select>
- </li>
- <li id="builds">
- <span class="title" id="floorShow">选择住房:</span>
- <select name="builds" id="floot2" style="width: 282px;height: 40px;">
- </select>
- </li>
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js部分:
- function floor(){
- document.getElementById("build").options.length =0;
- document.getElementById("floot2").options.length =0;
- var parentId = document.getElementById("village").value;
- if(parentId == 0){
- }else{
- $.ajax({
- type : "post",
- url : "floor.action",
- data : {"parentId":parentId},
- dataType : "json",
- success :function(data){
- console.log(data);
- var len = data.length;
- var htm = "<option value='0'>请选择</option>";
- for(var i=0;i<len;i++){
- htm += "<option value='"+data[i].id+"'>"+data[i].info+"</option>";
- }
- $("#build").append(htm);
- }
- })
- }
- }
- function floor2(){
- document.getElementById("floot2").options.length =0;
- var build = document.getElementById("build").value;
- if(build == 0){
- }else{
- $.ajax({
- type : "post",
- url : "floor2.action",
- data : {"parentId":build},
- dataType : "json",
- success : function(data){
- var len = data.length;
- var htm = "<option value='0'>请选择</option>";
- for(var i=0;i<len;i++){
- htm += "<option value='"+data[i].id+"'>"+data[i].info+"</option>";
- }
- $("#floot2").append(htm);
- }
- })
- }
- }
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struts2配置部分:
- <package name="user" namespace="/" extends="json-default">
- <action name="floor" class="addressInfoAction" method="floor">
- <result type="json">
- <param name="root">floor</param>
- </result>
- </action>
- <action name="floor2" class="addressInfoAction" method="floor2">
- <result type="json">
- <param name="root">floor2</param>
- </result>
- </action>
- </package>
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action部分:
- public String floor(){
- System.out.println("这里是ajax调用");
- //floor = addressInfoService.getFloor(addressInfo.getParentId());
- System.out.println(addressInfo.getParentId());
- floor = addressInfoService.getFloor(addressInfo.getParentId());
- return SUCCESS;
- }
- public String floor2(){
- System.out.println("这里是ajax的第二次调用");
- System.out.println(addressInfo.getParentId());
- floor2 = addressInfoService.getBuild(addressInfo.getParentId());
- return SUCCESS;
- }
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最后,一定不要忘记导入struts2-json-plugin-2.3.15.1.jar 这个夹包的版本也要和struts2的其他的夹包的版本一致。
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持程序员之家。 |