jsp使用jquery通过ajax方式访问

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和asp.net里面没有什么区别啦：

jsp

<%@ page language="java" contentType="text/html" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
 <title>My JSP 'index.jsp' starting page</title> <meta http-equiv="content" content="text/html;charset=utf-8">

function sub()
{

$.ajax({ type:"post", url:"loginServlet", data:{ username:$("#username").val(), content:$("#content").val() }, success:function(data,textStatus){ $("#resText").html(data); } }); }

</script>

</head>

<body>

</body>
</html>

Servlet
package com;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class test extends HttpServlet {

public void service(HttpServletRequest request, HttpServletResponse response)
 throws ServletException, IOException { request.setCharacterEncoding("utf-8"); response.setContentType("text/html;charset=utf-8"); System.out.println("start............"); String username=request.getParameter("username"); String content=request.getParameter("content"); //username=new String(username.getBytes("gb2312"),"utf-8"); PrintWriter out = response.getWriter(); out.write(username); System.out.println("username>>=="+username); out.write(content); out.flush(); out.close(); System.out.println("end"); } }

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