259 lines
9.0 KiB
PHP
259 lines
9.0 KiB
PHP
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<?php
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// 开启错误显示以便调试
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ini_set('display_errors', 1);
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ini_set('display_startup_errors', 1);
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error_reporting(E_ALL);
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// 启动会话
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session_start();
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// 检查用户是否已登录，如果已登录则重定向到首页
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if (isset($_SESSION['user_logged_in']) && $_SESSION['user_logged_in'] === true) {
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header('Location: index.php');
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exit;
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}
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// 数据库连接配置 - 请与register.php使用相同的配置
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$servername = "localhost";
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// 虚拟主机数据库用户名格式通常为 "用户名_前缀"
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$username = "a1sax1m9i"; // 必须与注册页面使用的用户名一致
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$password = "a1sax1m9i"; // 必须与注册页面使用的密码一致
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$dbname = "a1sax1m9i"; // 必须与注册页面使用的数据库名一致
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// 初始化错误信息
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$error = "";
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// 处理表单提交
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if ($_SERVER["REQUEST_METHOD"] == "POST") {
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// 获取表单数据并过滤
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$email = trim($_POST['email'] ?? '');
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$userPassword = $_POST['password'] ?? '';
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// 表单验证
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if (empty($email)) {
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$error = "邮箱不能为空";
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} elseif (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
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$error = "请输入有效的邮箱地址";
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} elseif (empty($userPassword)) {
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$error = "密码不能为空";
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} else {
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// 连接数据库 - 添加详细的连接信息输出用于调试
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$conn = new mysqli($servername, $username, $password, $dbname);
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// 检查数据库连接
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if ($conn->connect_error) {
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// 显示当前使用的连接参数，帮助调试
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$error = "数据库连接失败: " . $conn->connect_error .
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"<br>使用的连接信息:<br>" .
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"服务器: " . htmlspecialchars($servername) . "<br>" .
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"用户名: " . htmlspecialchars($username) . "<br>" .
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"数据库名: " . htmlspecialchars($dbname);
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} else {
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// 准备查询语句 - 根据实际表结构调整字段名
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// 确保password_hash与你的数据库字段名一致
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$sql = "SELECT id, username, email, password_hash FROM users WHERE email = ?";
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$stmt = $conn->prepare($sql);
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if (!$stmt) {
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$error = "准备查询语句失败: " . $conn->error;
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} else {
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$stmt->bind_param("s", $email);
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$stmt->execute();
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$stmt->store_result();
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// 检查用户是否存在
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if ($stmt->num_rows == 1) {
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// 绑定结果到变量 - 确保与查询的字段顺序一致
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$stmt->bind_result($userId, $username, $userEmail, $passwordHash);
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$stmt->fetch();
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// 验证密码
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if (password_verify($userPassword, $passwordHash)) {
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// 密码正确，设置会话变量
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$_SESSION['user_logged_in'] = true;
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$_SESSION['user_id'] = $userId;
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$_SESSION['user_info'] = [
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'username' => $username,
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'email' => $userEmail
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];
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// 更新最后登录时间
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$updateStmt = $conn->prepare("UPDATE users SET last_login_at = CURRENT_TIMESTAMP WHERE id = ?");
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if ($updateStmt) {
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$updateStmt->bind_param("i", $userId);
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$updateStmt->execute();
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$updateStmt->close();
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}
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// 重定向到首页
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header('Location: index.php');
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exit;
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} else {
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$error = "密码不正确";
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}
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} else {
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$error = "该邮箱未注册";
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}
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$stmt->close();
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}
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$conn->close();
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}
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}
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}
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?>
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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>用户登录 - 音乐分享网站</title>
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
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<style>
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@font-face {
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font-family: "MyCustomFont";
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src: url("./static/font/bbc.ttf") format("truetype");
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font-weight: normal;
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font-style: normal;
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}
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:root{
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--main-font: "MyCustomFont", sans-serif; /* 自定义字体变量 */
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}
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/* 基础样式 */
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body {
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font-family: var(--main-font); /* 应用自定义字体 */
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max-width: 500px;
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margin: 2rem auto;
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padding: 0 1rem;
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background-color: #f5f5f7;
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}
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.container {
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background-color: white;
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padding: 2rem;
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border-radius: 10px;
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box-shadow: 0 2px 10px rgba(0,0,0,0.1);
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}
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h1 {
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text-align: center;
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color: #2c3e50;
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}
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.form-group {
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margin-bottom: 1.5rem;
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}
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label {
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display: block;
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margin-bottom: 0.5rem;
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color: #333;
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}
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input {
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width: 100%;
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padding: 0.8rem;
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border: 1px solid #ddd;
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border-radius: 5px;
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box-sizing: border-box;
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font-size: 1rem;
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}
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button {
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width: 100%;
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padding: 0.8rem;
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background-color: #2c3e50;
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color: white;
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border: none;
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border-radius: 5px;
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font-size: 1rem;
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cursor: pointer;
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transition: background-color 0.3s;
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}
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button:hover {
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background-color: #34495e;
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}
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.error-message {
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background-color: #f8d7da;
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color: #721c24;
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padding: 1rem;
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border-radius: 5px;
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margin-bottom: 1.5rem;
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text-align: left;
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}
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.register-link {
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text-align: center;
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margin-top: 1.5rem;
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}
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.register-link a {
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color: #2c3e50;
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text-decoration: none;
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}
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.register-link a:hover {
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text-decoration: underline;
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}
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.forgot-password {
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text-align: right;
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margin-bottom: 1rem;
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}
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.forgot-password a {
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color: #2c3e50;
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text-decoration: none;
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font-size: 0.9rem;
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}
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.forgot-password a:hover {
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text-decoration: underline;
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}
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.db-hint {
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font-size: 0.9rem;
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color: #666;
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margin-top: 1rem;
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padding: 1rem;
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background-color: #f8f9fa;
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border-radius: 5px;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<h1><i class="fas fa-sign-in-alt"></i> 用户登录</h1>
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<?php if (!empty($error)): ?>
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<div class="error-message">
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<i class="fas fa-exclamation-circle"></i> <?php echo nl2br(htmlspecialchars($error)); ?>
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</div>
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<?php if (strpos($error, '数据库连接失败') !== false): ?>
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<div class="db-hint">
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<strong>检查步骤：</strong><br>
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1. 确认数据库用户名、密码和数据库名与虚拟主机面板一致<br>
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2. 确保与register.php使用完全相同的数据库配置<br>
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3. 检查该用户是否有权限访问指定数据库
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</div>
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<?php endif; ?>
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<?php endif; ?>
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<form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>">
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<div class="form-group">
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<label for="email">邮箱</label>
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<input type="email" id="email" name="email"
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value="<?php echo htmlspecialchars($_POST['email'] ?? ''); ?>" required>
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</div>
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<div class="form-group">
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<label for="password">密码</label>
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<input type="password" id="password" name="password" required>
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</div>
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<div class="forgot-password">
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<a href="forgot_password.php">忘记密码？</a>
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</div>
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<button type="submit">登录</button>
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</form>
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<div class="register-link">
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还没有账号？<a href="register.php">立即注册</a>
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</div>
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</div>
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</body>
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</html>
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