在第一个例子中,二级联动,改变省份的时候,会动态修改另一个下拉框的内容。
这里修改为,改变一个Table中的内容。
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>JQuery Demo</title> <script type="text/javascript" src="js/jquery-1.9.1.min.js"></script> <script type="text/javascript" src="js/province_city.js"></script> </head> <body> <center> <h3>3.动态修改Table中的内容</h3> 省份:<select id="sl_province"></select> <table> <tr> <td>ID</td><td>城市名</td> </tr> <tbody id="tb_city"> </tbody> </table> </center> </body> </html>
$(document).ready(function() { //加载下拉框 $.getJSON("common!queryProvince" , function(data) { //清空下拉框 $("#sl_province").text(""); $.each(data,function(i,ele){ //在下拉框中显示 if(i == 0) { $("#sl_province").append("<option value='0' selected>请选择省份</option><option value='"+ele.id+"'>"+ele.name+"</option>"); } else { $("#sl_province").append("<option value='"+ele.id+"'>"+ele.name+"</option>"); } }); } ); //监听改变事件 $("#sl_province").change(function() { //清空table中的数据 $("#tb_city").text(""); var id = $("#sl_province").val();//获取选择的省份的ID if(id > 0) { //获取数据,加载 $.getJSON("common!queryCity?id=" + id , function(data) { $.each(data,function(i,ele){ //在Table中显示 $("#tb_city").append("<tr><td>" + ele.id + "</td><td>" + ele.name + "</td></tr>"); }); } ); } }); });
package org.ygy.jquery.action; import java.util.ArrayList; import java.util.List; import org.ygy.jquery.vo.ResponseMessageVO; import org.ygy.jquery.vo.SimpleVO; import com.opensymphony.xwork2.ActionSupport; public class JQueryAction extends ActionSupport { private static final long serialVersionUID = 6797154008479295854L; private static final String MSG = "msg"; private List<SimpleVO> voList; private Integer id; private ResponseMessageVO message; private String name; public String getName() { return name; } public void setName(String name) { this.name = name; } public ResponseMessageVO getMessage() { return message; } public void setMessage(ResponseMessageVO message) { this.message = message; } public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public List<SimpleVO> getVoList() { return voList; } public void setVoList(List<SimpleVO> voList) { this.voList = voList; } /** * 获取省份信息 * @return */ public String queryProvince() { voList = new ArrayList<SimpleVO>(); voList.add(new SimpleVO(1 , "山东省")); voList.add(new SimpleVO(2 , "辽宁省")); voList.add(new SimpleVO(3 , "江苏省")); return SUCCESS; } /** * 获取城市信息 * @return */ public String queryCity() { voList = new ArrayList<SimpleVO>(); switch(id) { case 1: voList.add(new SimpleVO(10 , "青岛市")); voList.add(new SimpleVO(11 , "济南市")); voList.add(new SimpleVO(12 , "烟台市")); break; case 2: voList.add(new SimpleVO(20 , "丹东市")); voList.add(new SimpleVO(21 , "大连市")); voList.add(new SimpleVO(22 , "沈阳市")); voList.add(new SimpleVO(23 , "鞍山市")); break; case 3: voList.add(new SimpleVO(30 , "无锡市")); voList.add(new SimpleVO(31 , "常州市")); break; } return SUCCESS; } /** * 检测用户名是否存在 * @return */ public String checkName() { message = new ResponseMessageVO(); if(name.equals("ygy")) { message.setSuccess(false); message.setMessage("该用户名已被注册!"); } else { message.setSuccess(true); message.setMessage("该用户名可以使用!"); } return MSG; } }