MyJSP.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html> <head> </head> <body> <form action="a1.jsp" method="post"> 用户名：<input type="text" name="yonghuming"><br> 密码：<input type="password" name="mima"><br> <input type="submit" value="提 交"> </form> </body></html>
a1.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html> <head> </head> <body> <%String xingming=request.getParameter("yonghuming"); String xuehao=request.getParameter("mima"); if(xingming.equals("huangzesen")&&xuehao.equals("3152052051501")){ %> <jsp:forward page="success.jsp"/> <%}else{%> <jsp:forward page="fail.jsp"/> <%}%> </body></html>
success.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
</head> <body> <% String ming=request.getParameter("yonghuming"); String hao=request.getParameter("mima"); %> 登陆成功<br> 您输入的信息为：<br> 用户名:<%=ming%><br> 密码:<%=hao%><br> </body></html>fail.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><html> <head> </head> <body> <a href="MyJsp.jsp">登陆失败 请重新输入</a> </body></html>