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<?php
//判断是否提交表单
if(isset($_POST[‘dosubmit‘])){
//登陆数据库
$pdo=new PDO("mysql:host=localhost;dbname=xsphp","root","root");
//查询数据库 PDO的预处理
$stmt=$pdo->prepare("select id,username,allow_1,allow_2,allow_3 from user where username=? and password=?");
// 执行预处理
$stmt->execute(array($_POST[‘username‘],md5($_POST[‘password‘])));
//如果查到了
if($stmt->rowCount() >0){
list($id,$username,$allow_1,$allow_2,$allow_3)=$stmt->fetch(PDO::FETCH_NUM);
//将值赋给变量
$time=time()*24*60*60;
//设置cookie时间
setcookie("uid",$id,$time,"/");
setcookie("username",$username,$time,"/");
setcookie("allow_1",$allow_1,$time,"/");
setcookie("allow_2",$allow_2,$time,"/");
setcookie("allow_3",$allow_3,$time,"/");
//设置一个登陆判断
setcookie(‘isLogin‘,1,$time,"/");
header("Location:index.php");
}else{
echo "登陆失败";
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
</style>
</head>
<body>
<h2 align="center">用户登录</h2>
<form action="login.php" method="post" style="margin-left: 40%;">
username : <input type="text" name="username" value="">
<p></p>
password : <input type="password" name="password" value="">
<p></p>
<input type="submit" value="登陆" name="dosubmit">
</form>
</body>
</html>
PHP cookie的应用
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原文地址：http://www.cnblogs.com/fengzaizhijian/p/5782572.html
