springmvc json 简单例子

1.控制器层：

 @RequestMapping("/json.do")

     @ResponseBody

     //将会把返回值 转换为json对象

     public List<User> json(){

         List<User> list = new ArrayList<User>();

         list.add(new User(1,"zhansan",22));

         list.add(new User(2,"wangwu",21));

         list.add(new User(3,"zhaosi",33));

         list.add(new User(4,"wangdana",14));

         return list;

     }

2.jsp页面：

 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

 <%

 String path = request.getContextPath();

 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

 %>

 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

 <html>

   <head>

     <base href="<%=basePath%>">

     <title>My JSP 'index.jsp' starting page</title>

     <meta http-equiv="pragma" content="no-cache">

     <meta http-equiv="cache-control" content="no-cache">

     <meta http-equiv="expires" content="0">

     <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

     <meta http-equiv="description" content="This is my page">

     <!--

     <link rel="stylesheet" type="text/css" href="styles.css">

     -->

     <script type="text/javascript" src="js/jquery-1.11.3.min.js"></script>

       <script type="text/javascript">

       $(function(){

           $('#btn').click(function(){

               $.post("json.do",function(data){

               var html="";

                   for(var i=0;i<data.length;i++){

                   html+="<tr><td>"+data[i].id+"</td><td>"+data[i].name+"</td><td>"+data[i].age+"</td></tr>"

                   }

                   $('#content').html(html);

               });

           });

       });

       </script>

   </head>

   <body>

    <input type="button" id="btn" value="获取数据"/><br>

    <table width="80%" align="center">

        <tr>

            <td>编号</td>

            <td>姓名</td>

            <td>年龄</td>

        </tr>

        <tbody id="content"></tbody>

    </table>

   </body>

 </html>

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springmvc json 简单例子

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