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简单的Android服务端和客户端登录交互（服务端）

2014-04-09 10:52 513 查看

LoginServlet.java

package com.bao;
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 LoginServlet extends HttpServlet {

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
//super.doGet(req, resp);
System.out.println("=========doGet========");
this.doPost(req, resp);
}

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
//super.doPost(req, resp);
PrintWriter pw = resp.getWriter();
System.out.println("=========doPost========");
String username = req.getParameter("username");
String password = req.getParameter("password");
System.out.println("=========username========"+username);
System.out.println("=========password========"+password);

//登录用户名和密码验证输出
if("admin".equals(username) && "123456".equals(password)){
pw.println(true);
}else{
pw.println(false);
}
}
}

index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

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

<body>
登陆测试. <hr>
<form action="login.do" method="post">
<input type="text" name="username"/><br/>
<input type="password" name="password"/><br/>
<input type="submit" value="submit"/>
<input type="reset" value="reset"/>
</form>
</body>
</html>

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