- 创建index.jsp(登陆页面)
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>登录页面</title>
<style>
p{
display:none;
}
</style>
</head>
<body>
<%
//读取cookies 并赋值给cu_name
String cu_name="";
Cookie[] cookies = request.getCookies();
if(cookies != null && cookies.length>0){
for(Cookie c:cookies){
if("cu_name".equals(c.getName())){
cu_name=c.getValue();
}
}
}
%>
<form action="/web03/login.jsp" method="post">
用户姓名：<input type="text" name="cu_name" value="<%=cu_name %>"/><br />
用户密码：<input type="password" name="cu_phone" /><br />
<input type="submit" value="登录" /> <a href="/web03/reg.jsp">没有账号？</a>
</form>
<p id="p1">用户名或密码错误</p>
<p id="p2">注册失败</p>
<%
String e = "";
if(request.getParameter("err") != null){
e = request.getParameter("err");
switch(e){
case "1":
out.print("<script type='text/javascript'>window.οnlοad=function(){p1.style.display='block';}</script>");
break;
case "2":
out.print("<script type='text/javascript'>window.οnlοad=function(){p2.style.display='block';}</script>");
break;
}
}
%>
<script type="text/javascript">
setTimeout(function(){
p1.style.display="none";},5000);
setTimeout(function(){
p2.style.display="none";},5000);
</script>
</body>
</html>
- 创建login.jsp(用户不可见)
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding=
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