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jsp+servlet之内置对象

2016-06-08 09:23 405 查看

<%@ 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">
-->
</head>

<body>
<form action="<%=basePath%>/servlet/DemoReuestServlet" method="post">
姓名<input name="name"><br>
密码<input type="password" name="pwd"><br>
<input type="submit" value="提交">
</form>
</body>
</html>

package com.pb.web;

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 DemoReuestServlet extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doPost(request, response);
}

public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {

response.setContentType("text/html;charset=UTF-8");
//post方式编码
request.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
String name = request.getParameter("name");
String pwd = request.getParameter("pwd");
out.print("用户名："+name);
out.print("<br/>");
out.print("密码："+pwd);
out.flush();
out.close();
}

}

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