Asynchronous transmission of json data format example code based on jquery_jquery

1.jsp代码如下

复制代码 代码如下:

<%@ 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 "/";
%>









 
 
 

 

2.访问 action代码如下

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("param1");
  String p2 = req.getParameter("param2");

  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(data);
  pw.flush();
 }
}

3.效果如下：