情况2：
实现代码：
<%@ page language="java" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>struts2</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <script type="text/javascript" src="<%=request.getContextPath() %>/js/jquery-1.4.1.js"></script> <script type="text/javascript"> //数据源，json的格式. var user=[{"id": 1, "name": "张三","age":"25"}, {"id": 2, "name": "李四","age":"35"}, {"id": 3, "name": "王五","age":"20"}, {"id": 4, "name": "老王","age":"20"}, {"id": 5, "name": "老张","age":"25"}, {"id": 6, "name": "李四","age":"35"}, {"id": 7, "name": "王五","age":"20"}, {"id": 8, "name": "老王","age":"20"}, {"id": 9, "name": "abc","age":"25"}, {"id": 10, "name": "李b四","age":"35"}, {"id": 11, "name": "125","age":"20"}, {"id": 12, "name": "246","age":"20"}, {"id": 13, "name": "张三","age":"25"}, {"id": 14, "name": "李四","age":"35"}, {"id": 15, "name": "王五","age":"20"}, {"id": 16, "name": "老王","age":"20"}, {"id": 17, "name": "张三","age":"25"}, {"id": 18, "name": "李四","age":"35"}, {"id": 19, "name": "王五","age":"20"}, {"id": 20, "name": "老王","age":"20"}]; $(document).ready(function(){ var seach=$("#seach"); seach.keyup(function(event){ //var keyEvent=event || window.event; //var keyCode=keyEvent.keyCode; // 数字键：48-57 // 字母键：65-90 // 删除键：8 // 后删除键：46 // 退格键：32 // enter键：13 //if((keyCode>=48&&keyCode<=57)||(keyCode>=65&&keyCode<=90)||keyCode==8||keyCode==13||keyCode==32||keyCode==46){ //获取当前文本框的值 var seachText=$("#seach").val(); if(seachText!=""){ //构造显示页面 var tab="<table cellpadding='0' cellspacing='0'><tr><td>编号</td><td>名称</td><td>年龄</td></tr>"; //遍历解析json $.each(user,function(id, item){ //如果包含则为table赋值 if(item.name.indexOf(seachText)!=-1){ tab+="<tr><td>"+item.id+"</td><td>"+item.name+"</td><td>"+item.age+"</td></tr>"; } }) tab+="</table>"; $("#div").html(tab); //重新覆盖掉，不然会追加 tab="<table cellpadding='0' cellspacing='0'><tr><td>编号</td><td>名称</td><td>年龄</td></tr>"; }else{ $("#div").html(""); } // } }) }); </script> </head> <body> 名字：<input /> <br/><br/> <div></div> </body> </html>