標籤：
登入介面
<?php header(‘Content-type:text/html;charset=utf-8‘); if(isset($_COOKIE[‘username‘]) && $_COOKIE[‘username‘]===‘zeng‘){ exit(‘您已經登入了，請不要重新登入‘); } if(isset($_POST[‘submit‘])){ if(isset($_POST[‘username‘]) && isset($_POST[‘password‘]) && $_POST[‘username‘]==‘zengguanling‘ && $_POST[‘password‘]==‘123456‘ ){ if(setcookie(‘username‘,$_POST[‘username‘], time()+3600)){ header(‘location:skip.php?url=index.php&info=登入成功！3秒後跳轉到首面‘); } else { echo ‘cookies設定失敗‘; } } else { header(‘location:skip.php?url=login.php&info=對不起，使用者名稱活密碼填寫錯誤！3秒後跳轉到登入頁面‘); } }?><!DOCTYPE html><html lang="zh-CN"> <head> <meta charset="utf-8"> <title>請登入</title> </head> <body> <form method="post" action=""> 姓名：<input type="text" name="username" /> 密碼：<input type="password" name="password"/> <input type="submit" name="submit" value="登入"/> </form> </body></html>
跳轉處理頁面skip.php
<?php if(!isset($_GET[‘url‘]) || !isset($_GET[‘info‘])){ exit(); }?><!DOCTYPE html><html> <head> <meta charset="utf-8"> <meta http-equiv="refresh" content="3,URL=<?php echo $_GET[‘url‘] ?>"/> <title>正在跳轉中...</title> </head> <body> <div><?php echo $_GET[‘info‘] ?></div> </body></html>
登入首頁index.php
<?php header(‘Content-type:text/html;charset=utf-8‘); if(isset($_COOKIE[‘username‘]) && $_COOKIE[‘username‘]===‘zeng‘){ echo "您好！{$_COOKIE[‘username‘]},歡迎回來！"; echo "<a href=‘logout.php‘>登出</a>"; } else { echo "<a href=‘login.php‘>請登入</a>"; }?>
登出處理介面logout.php
<?php header(‘Content-type:text/html;charset=utf-8‘); if(isset($_COOKIE[‘username‘]) && $_COOKIE[‘username‘]===‘zeng‘){ if(setcookie(‘username‘,$_POST[‘username‘],time()-3600)){ header(‘location:skip.php?url=index.php&info=登出成功，正在跳轉！‘); }else{ header(‘location:skip.php?url=index.php&info=登出失敗，請稍後重試！‘); } }?>
php使用者登入與登出(cookie)
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