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【办公协调源码】【排课表源码】【智能硬件源码】jsp登录源码_登录界面jsp源代码

2024-12-29 20:28:37 来源:休闲 分类:休闲

1.如何在jsp中实现用户登录验证?
2.求jsp登录源码 急急急急急急急急急急急

jsp登录源码_登录界面jsp源代码

如何在jsp中实现用户登录验证?

       1、录源录界新建TokenAction。码登面j码

       2、源代办公协调源码配置struts.xml文件,录源录界成功跳转至success.jsp. 重复的码登面j码排课表源码话跳转到 chongfu.jsp。

       3、源代智能硬件源码.新建token.jsp。录源录界

       4、码登面j码注意引入Struts2标签库,源代注意隐藏的录源录界token标签。

       5、码登面j码新建chongfu.jsp 重复提示。源代

       6、录源录界个性字体源码访问token.jsp文件,码登面j码输入姓名年龄,源代深入源码底层点击提交。

       7、返回token.jsp页面,查看源代码.

求jsp登录源码 急急急急急急急急急急急

       登陆页面 index.jsp源码:

       <%@ 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. Transitional//EN">

       <html>

        <head>

        <base href="<%=basePath%>">

        <title>login</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="LoginServlet" method="post">

        用户名:<input type="text" name="username" ><br>

        密码:<input type="password" name="userpass"><br>

        <input type="submit" value="登陆"> <input type="reset" value="取消">

        </form>

       </body>

       </html>

       -------------

       LoginServlet.java 源码:

       package servlet;

       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 {

        /

**

        * Constructor of the object.

        */

        public LoginServlet() {

        super();

        }

        /

**

        * Destruction of the servlet. <br>

        */

        public void destroy() {

        super.destroy(); // Just puts "destroy" string in log

        // Put your code here

        }

        /

**

        * The doGet method of the servlet. <br>

       

*

        * This method is called when a form has its tag value method equals to get.

        *

        * @param request the request send by the client to the server

        * @param response the response send by the server to the client

        * @throws ServletException if an error occurred

        * @throws IOException if an error occurred

        */

        public void doGet(HttpServletRequest request, HttpServletResponse response)

        throws ServletException, IOException {

        //获得jsp页面传输的参数

        String username=request.getParameter("username");

        String userpass=request.getParameter("userpass");

        //判断

        if(username.equals("user")&&userpass.equals("")){

        response.sendRedirect("1.jsp");

        }else if(username.equals("admin")&&userpass.equals("")){

        response.sendRedirect("2.jsp");

        }else{

        response.sendRedirect("index.jsp");

        }

        }

        /

**

        * The doPost method of the servlet. <br>

       

*

        * This method is called when a form has its tag value method equals to post.

        *

        * @param request the request send by the client to the server

        * @param response the response send by the server to the client

        * @throws ServletException if an error occurred

        * @throws IOException if an error occurred

        */

        public void doPost(HttpServletRequest request, HttpServletResponse response)

        throws ServletException, IOException {

        this.doGet(request, response);

        }

        /

**

        * Initialization of the servlet. <br>

       

*

        * @throws ServletException if an error occurs

        */

        public void init() throws ServletException {

        // Put your code here

        }

       }

       -------------

       1.jsp:

       <%@ 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. Transitional//EN">

       <html>

        <head>

        <base href="<%=basePath%>">

        <title>My JSP '1.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>

        This is 1.jsp <br>

        </body>

       </html>

       -------------

       2.jsp

       <%@ 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. Transitional//EN">

       <html>

        <head>

        <base href="<%=basePath%>">

        <title>My JSP '1.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>

        This is 2.jsp <br>

        </body>

       </html>

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