基于jquery异步传输json数据格式实例代码

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基于jquery异步传输json数据格式实例代码

发布时间：2019-11-30 04:09编辑：彩世界时时app浏览（197）

1.jsp代码如下

复制代码代码如下:

Insert title here

<%@ page language="java" contentType="text/html; charset=UTF-8"
    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>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="<%=basePath%>js/jquery-1.8.1.js"></script>
</head>
<script type="text/javascript">
$(function(){
  $("#getResult").click(function(){
   $.ajax({
    type:"post",
    url:"<%=basePath%>jsonAction!getData.action",
    dataType:"json",
    data:{'param1':$("#param1").attr("value"),'param2':$("#param2").attr("value")},
    success:function(returnData){
     var html = "<table border='1'><tr><td>编号</td><td>姓名</td><td>描述</td></tr>";
     for(var i = 0; i < returnData.length; i++){
      html += "<tr><td>"+returnData[i].id+"</td><td>"+returnData[i].name+"</td><td>"+returnData[i].description+"</td></tr>";
     }
     $("#result").html(html);
    }
   });
  });

2.访问 action代码如下

});
</script>
<body>
<input type="text" value="haha" id="param1">
<input type="text" value="hehe" id="param2">
<div id="result"></div>
<input type="button" value="获取" id="getResult">
</body>
</html>

复制代码代码如下:public class JsonAction extends ActionSupport{public void getData() throws IOException{HttpServletRequest req = ServletActionContext.getRequest();String p1 = req.getParameter;String p2 = req.getParameter;HttpServletResponse rep = ServletActionContext.getResponse();rep.setContentType("text/json;charset=utf-8");PrintWriter pw = rep.getWriter();String data = "[{"id":"01","name":"zhongqian","description":""+p1+""},{"id":"02","name":"zhangsan","description":""+p2+""}]";pw.print;}}

2.访问 action代码如下

3.效果如下：

复制代码代码如下:

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