用jsp实现登录，登录成功则跳转到登录成功页面，失败则跳转到失败页面-白红宇

用jsp实现登录，登录成功则跳转到登录成功页面，失败则跳转到失败页面

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发布时间：2019-05-25

本文共 1317 字，大约阅读时间需要 4 分钟。

<%@ page language="java" contentType="text/html; charset=utf-8"    pageEncoding="utf-8"%>
   Insert title here	
   		
    			
     用户名			
     			
     密码

dologin.jsp

<%@ page language="java" contentType="text/html; charset=utf-8"    pageEncoding="utf-8"%><%	String path=request.getContextPath();	String basePath=request.getScheme()+"://"+request.getServerName() +":"+request.getServerPort()+path+"/";	String username="";	String password="";	request.setCharacterEncoding("utf-8");	username=request.getParameter("username");	password=request.getParameter("password");	out.println(username);	out.println(password);	if("admin".equals(username) && "admin".equals(password)){		session.setAttribute("loginUsername", username);		session.setAttribute("loginUser",username);		request.getRequestDispatcher("login_success.jsp").forward(request,response);	}else{		response.sendRedirect("login_failure.jsp");	}	%>

login_success.jsp

<%@ page language="java" contentType="text/html; charset=utf-8"    pageEncoding="utf-8"%>
   Insert title here	
   
    		欢迎
    <%=session.getAttribute("loginUsername") %>
，登录成功！！！！

login_failure.jsp

<%@ page language="java" contentType="text/html; charset=utf-8"    pageEncoding="utf-8"%>
   Insert title here	
   
    		登录失败，请检查用户名或者密码！！！		
    login