81 lines
2.8 KiB
PHP
81 lines
2.8 KiB
PHP
<?php
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if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_POST['username'])) {
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$username = trim($_POST['username']);
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$password = $_POST['password'];
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$contact = isset($_POST['contact']) ? trim($_POST['contact']) : null;
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// 检查密码长度
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if (strlen($password) < 5) {
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$title = '密码太短，至少需要5个字符';
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$right_word = '注册';
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$href_url = '/?page=account';
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include('includes/time.php');
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} else {
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$password = password_hash($password, PASSWORD_DEFAULT);
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// 检查用户名是否为空
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if (empty($username)) {
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$title = '用户名不能为空';
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$right_word = '注册';
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$href_url = '/?page=account';
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include('includes/time.php');
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} else {
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// 检查用户名是否已存在
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$checkStmt = $pdo->prepare("SELECT username FROM users WHERE username = ?");
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$checkStmt->execute([$username]);
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if ($checkStmt->rowCount() > 0) {
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$title = '用户名已存在';
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$right_word = '注册';
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$href_url = '/?page=account';
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include('includes/time.php');
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} else {
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$stmt = $pdo->prepare("INSERT INTO users (username, password, contact) VALUES (?, ?, ?)");
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if ($stmt->execute([$username, $password, $contact])) {
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$title = '注册成功';
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$right_word = '登录';
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$href_url = '/?page=account';
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include('includes/time.php');
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} else {
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$title = '注册失败';
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$right_word = '注册';
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$href_url = '/?page=account';
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include('includes/time.php');
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}
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}
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}
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}
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}
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// 登录
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if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_POST['login_username'])) {
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$login_username = trim($_POST['login_username']);
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$login_password = $_POST['login_password'];
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// 检查登录用户名是否为空
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if (empty($login_username)) {
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$title = '用户名不能为空';
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$right_word = '登录';
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$href_url = '/?page=account';
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include('includes/time.php');
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} else {
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$stmt = $pdo->prepare("SELECT * FROM users WHERE username = ?");
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$stmt->execute([$login_username]);
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$user = $stmt->fetch();
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if ($user && password_verify($login_password, $user['password'])) {
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$_SESSION['user_id'] = $user['id'];
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$title = '登录成功';
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$right_word = '首';
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$href_url = '/';
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include('includes/time.php');
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} else {
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$title = '用户名或密码错误';
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$right_word = '登录';
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$href_url = '/?page=account';
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include('includes/time.php');
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}
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}
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}
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?>
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