程序详情
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Login Page</title>
</head>
<body>
<%! String msg="";
int count=0;%>
<h2>简易的登陆系统验证</h2>
<p>访问次数：</p><br>
<hr>
<p>正确的登录名：adim 密码：12345</p>
<br>
<p><% out.println(msg); %></p>
<form method=post action="Login.jsp">
用户名：<input type="text" name=usr> <br>
密码： <input type="password" name=pasw> <br>
<input type="radio" name=type value=1>管理员
<input type="radio" name=type value=2 checked>普通用户
<br>
<input type="submit" value="提交">
<input type="reset" value="清空">
<input type="hidden" value="0" name=count>
</form>
<%
count=count+1;
String usrn=request.getParameter("usr");
String passWord=request.getParameter("pasw");
String type=request.getParameter("type");
if(usrn.equals("adim")&&passWord.equals("12345"))
{%>
<jsp:forward page="success.jsp">
<jsp:param name="UsrName" value="name"/>
<jsp:param name="Class" value="type"/>
</jsp:forward>
<%}else{
msg="PassWord or UsrName is Wrong!";
if(count>=5){
out.println("<SCRIPT LANGUAGE='JavaScript'>");
String message="Warning Info ...";
out.println("alert('"+message+"')");
out.println("</SCRIPT>");
}
}%>
</body>
</html>
