Response重定向

最新推荐文章于 2023-12-28 14:16:25 发布

Y1_King

最新推荐文章于 2023-12-28 14:16:25 发布

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文章标签： intellij-idea java

本文链接：https://blog.youkuaiyun.com/king_xbstudy/article/details/124199951

Response重定向

1.java

package com.xb.servlet;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class RequestTest extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String username = req.getParameter("username");
        String password = req.getParameter("password");

        System.out.println(username+":"+password);
        resp.sendRedirect("/success.jsp");
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}

2.index.jsp

<html>
<body>
<h2>Hello World!</h2>
<form action="${pageContext.request.contextPath}/login" method="get">
    用户名:<input type="text" name="username"><br>
    密码::<input type="password" name="password"><br>
    <input type="submit">
</form>
</body>
</html>

3.success.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<h1>success</h1>
</body>
</html>

4.web.xml

<!DOCTYPE web-app PUBLIC
        "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
        "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app>
    <display-name>Archetype Created Web Application</display-name>
    <servlet>
        <servlet-name>Request</servlet-name>
        <servlet-class>com.xb.servlet.RequestTest</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>Request</servlet-name>
        <url-pattern>/login</url-pattern>
    </servlet-mapping>
</web-app>