<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> ?<head> ???????<title>login</title> ?</head> ???<body> ??<form action="./dologin.jsp" method="post" > ???????用户名：<input name="userName"/><br><br> ???????密码： ??<input name="passWord"/><br><br> ???????<input type="submit" value="登陆"/><br><br> ??</form> ?</body>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><html> ?<head> ???????<title>My JSP ‘success.jsp‘ starting page</title> ???</head> ?<body> ??欢迎你！<%=request.getParameter("userName") ???%> ?</body></html><%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> ??<% ??????????String username=request.getParameter("userName"); ??????????String password=request.getParameter("passWord"); ??????????if(username.equals("tom")&&password.equals("123")) ??????????{ ??????????????//跳转到成功页面 ???request.getRequestDispatcher("success.jsp").forward(request, response); ?????????????????????????} ??????????else{ ??????????????//返回登陆页面重新登陆 ??????????????response.sendRedirect("logion.jsp"); ??????????} ???%><%@ page language="java" import="java.util.*"pageEncoding="UTF-8"%>
<%
Stringusername=request.getParameter("userName");
Stringpassword=request.getParameter("passWord");
if(username.equals("tom")&&password.equals("123"))
{
//跳转到成功页面
request.getRequestDispatcher("success.jsp").forward(request, response);
}
else{
//返回登陆页面重新登陆
response.sendRedirect("logion.jsp");
}
%>
jsp登陆
原文地址：https://www.cnblogs.com/excellencesy/p/8525608.html