技术问答php鐧诲綍鍚庢樉绀虹敤鎴峰悕鎬庝箞瀹炵幇 - 扬州沐宇科技

瑕佸湪PHP鐧诲綍鍚庢樉绀虹敤鎴峰悕锛屼綘闇€瑕佸畬鎴愪互涓嬫楠わ細

鍒涘缓涓€涓櫥褰曢〉闈紝鍖呮嫭涓€涓〃鍗曠敤浜庤緭鍏ョ敤鎴峰悕鍜屽瘑鐮併€?/li>
浣跨敤PHP楠岃瘉鐢ㄦ埛杈撳叆鐨勭敤鎴峰悕鍜屽瘑鐮佹槸鍚︽纭€傚彲浠ュ皢鐢ㄦ埛鍚嶅拰瀵嗙爜涓庢暟鎹簱涓殑鐢ㄦ埛琛ㄨ繘琛屾瘮杈冦€?/li>
濡傛灉楠岃瘉鎴愬姛锛屽皢鐢ㄦ埛鍚嶅瓨鍌ㄥ湪涓€涓細璇濆彉閲忎腑锛屼緥濡?$_SESSION['username'] = $username銆?/li>
鍦ㄧ櫥褰曟垚鍔熷悗鐨勯〉闈紙渚嬪棣栭〉锛変腑锛屾鏌ヤ細璇濆彉閲忔槸鍚﹀瓨鍦ㄣ€傚鏋滃瓨鍦紝鏄剧ず鐢ㄦ埛鍚嶃€?/li>
鍦ㄩ〉闈腑浣跨敤 echo $_SESSION['username'] 鏉ユ樉绀虹敤鎴峰悕銆?/li>

浠ヤ笅鏄竴涓畝鍗曠殑绀轰緥浠ｇ爜锛?/p>

鐧诲綍椤甸潰锛坙ogin.php锛夛細

<?php
session_start();

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $username = $_POST['username'];
    $password = $_POST['password'];

    // 杩涜鐢ㄦ埛鍚嶅拰瀵嗙爜楠岃瘉锛屾澶勫亣璁鹃獙璇侀€氳繃
    if ($username === 'admin' && $password === 'admin123') {
        $_SESSION['username'] = $username;
        header('Location: index.php'); // 璺宠浆鍒伴椤?/span>
        exit();
    } else {
        $error = '鐢ㄦ埛鍚嶆垨瀵嗙爜閿欒';
    }
}
?>

<!DOCTYPE html>
<html>
<head>
    <title>鐧诲綍椤甸潰</title>
</head>
<body>
    <h2>鐧诲綍</h2>
    <?php if (isset($error)) { echo $error; } ?>
    <form method="POST" action="">
        <label for="username">鐢ㄦ埛鍚嶏細</label>
        <input type="text" name="username" id="username" required><br>
        <label for="password">瀵嗙爜锛?lt;/label>
        <input type="password" name="password" id="password" required><br>
        <input type="submit" value="鐧诲綍">
    </form>
</body>
</html>

棣栭〉锛坕ndex.php锛夛細

<?php
session_start();

if (!isset($_SESSION['username'])) {
    header('Location: login.php'); // 鏈櫥褰曪紝璺宠浆鍒扮櫥褰曢〉闈?/span>
    exit();
}
?>

<!DOCTYPE html>
<html>
<head>
    <title>棣栭〉</title>
</head>
<body>
    <h2>娆㈣繋锛?span class="hljs-meta"><?php echo $_SESSION['username']; ?></h2>
    <!-- 鏄剧ず鐢ㄦ埛鍚?-->
    <p>杩欐槸棣栭〉鍐呭</p>
</body>
</html>

褰撶敤鎴锋垚鍔熺櫥褰曞悗锛屼細璇濆彉閲?$_SESSION['username'] 灏嗕細淇濆瓨鐢ㄦ埛鐨勭敤鎴峰悕銆傞椤典細妫€鏌ヤ細璇濆彉閲忔槸鍚﹀瓨鍦紝骞舵樉绀虹敤鎴峰悕銆傚鏋滅敤鎴锋湭鐧诲綍锛屽垯浼氳閲嶅畾鍚戝埌鐧诲綍椤甸潰銆傝娉ㄦ剰锛屼负浜嗕娇鐢ㄤ細璇濆彉閲忥紝浣犻渶瑕佸湪姣忎釜浣跨敤浼氳瘽鍙橀噺鐨勯〉闈㈢殑寮€濮嬪璋冪敤 session_start() 鍑芥暟銆?/p>