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121 lines
3.1 KiB
PHP
121 lines
3.1 KiB
PHP
<?php
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require_once '../includes/auth.php';
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if (isset($_GET['action']) && $_GET['action'] === 'logout') {
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session_destroy();
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header('Location: login.php');
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exit;
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}
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if (isset($_SESSION['loggedin']) && $_SESSION['loggedin'] === true) {
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header('Location: index.php');
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exit;
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}
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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$username = $_POST['username'] ?? '';
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$password = $_POST['password'] ?? '';
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if (verifyUser($username, $password)) {
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$_SESSION['loggedin'] = true;
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$_SESSION['username'] = $username;
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header('Location: index.php');
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exit;
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} else {
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$error = '用户名或密码错误';
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}
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}
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<title>登录</title>
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<link rel="stylesheet" href="/assets/css/md3.css">
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<style>
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body {
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background: var(--md-surface);
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display: flex;
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justify-content: center;
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align-items: center;
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min-height: 100vh;
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margin: 0;
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}
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.login-container {
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background: var(--md-surface);
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padding: 32px;
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border-radius: 28px;
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box-shadow: var(--md-elevation-1);
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width: 320px;
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}
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.login-container form {
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display: flex;
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flex-direction: column;
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gap: 16px;
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}
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.login-container .md3-text-field {
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width: 100%;
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box-sizing: border-box;
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margin-bottom: 0;
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}
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.login-container .md3-button {
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margin-top: 8px;
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}
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.login-container h2 {
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color: var(--md-on-surface);
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margin: 0 0 24px;
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text-align: center;
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}
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.login-container input {
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width: 100%;
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margin-bottom: 16px;
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}
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.error {
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color: var(--md-error);
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text-align: center;
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margin-bottom: 16px;
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}
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.back-button {
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position: absolute;
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top: 16px;
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left: 16px;
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text-decoration: none;
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padding: 8px 16px;
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background: var(--md-primary);
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color: var(--md-on-primary);
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border-radius: 4px;
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box-shadow: var(--md-elevation-1);
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font-size: 14px;
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}
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.back-button:hover {
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background: var(--md-primary-hover);
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}
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</style>
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</head>
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<body>
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<a href="../" class="back-button md3-button">返回</a>
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<div class="login-container md3-card">
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<h2>登录</h2>
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<?php if (isset($error)): ?>
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<div class="error"><?= $error ?></div>
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<?php endif; ?>
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<form method="post">
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<label class="md3-label">用户名:</label>
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<input type="text" name="username" class="md3-text-field" required>
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<label class="md3-label">密码:</label>
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<input type="password" name="password" class="md3-text-field" required>
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<button type="submit" class="md3-button">登录</button>
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</form>
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</div>
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</body>
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</html>
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