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php 签到功能实现

2026-03-13 10:39:43PHP

PHP 签到功能实现

数据库设计

创建一个用户签到表，包含用户ID、签到日期和连续签到天数等字段：

CREATE TABLE user_checkin (
    id INT AUTO_INCREMENT PRIMARY KEY,
    user_id INT NOT NULL,
    checkin_date DATE NOT NULL,
    consecutive_days INT DEFAULT 1,
    UNIQUE KEY (user_id, checkin_date)
);

基础签到逻辑

检查用户是否已签到，未签到则插入记录：

function checkIn($userId) {
    $today = date('Y-m-d');
    $pdo = new PDO('mysql:host=localhost;dbname=your_db', 'username', 'password');

    // 检查今日是否已签到
    $stmt = $pdo->prepare("SELECT 1 FROM user_checkin WHERE user_id = ? AND checkin_date = ?");
    $stmt->execute([$userId, $today]);

    if ($stmt->fetch()) {
        return ['status' => 'error', 'message' => '今日已签到'];
    }

    // 获取昨日签到记录
    $yesterday = date('Y-m-d', strtotime('-1 day'));
    $stmt = $pdo->prepare("SELECT consecutive_days FROM user_checkin WHERE user_id = ? AND checkin_date = ?");
    $stmt->execute([$userId, $yesterday]);
    $lastRecord = $stmt->fetch();

    $consecutiveDays = $lastRecord ? $lastRecord['consecutive_days'] + 1 : 1;

    // 插入签到记录
    $stmt = $pdo->prepare("INSERT INTO user_checkin (user_id, checkin_date, consecutive_days) VALUES (?, ?, ?)");
    $stmt->execute([$userId, $today, $consecutiveDays]);

    return ['status' => 'success', 'consecutive_days' => $consecutiveDays];
}

连续签到奖励

根据连续签到天数给予不同奖励：

function getReward($consecutiveDays) {
    $rewards = [
        3 => ['points' => 10, 'name' => '三日礼包'],
        7 => ['points' => 30, 'name' => '七日礼包'],
        30 => ['points' => 100, 'name' => '月礼包']
    ];

    return $rewards[$consecutiveDays] ?? ['points' => 1, 'name' => '每日签到'];
}

签到统计功能

获取用户本月签到情况：

function getMonthlyCheckins($userId) {
    $firstDay = date('Y-m-01');
    $lastDay = date('Y-m-t');

    $pdo = new PDO('mysql:host=localhost;dbname=your_db', 'username', 'password');
    $stmt = $pdo->prepare("SELECT checkin_date FROM user_checkin 
                          WHERE user_id = ? AND checkin_date BETWEEN ? AND ?");
    $stmt->execute([$userId, $firstDay, $lastDay]);

    return $stmt->fetchAll(PDO::FETCH_COLUMN);
}

前端调用示例

通过AJAX调用签到接口：

php 签到功能实现

$('#checkin-btn').click(function() {
    $.post('/api/checkin.php', {user_id: 123}, function(response) {
        if (response.status === 'success') {
            alert(`签到成功！连续签到${response.consecutive_days}天`);
        } else {
            alert(response.message);
        }
    });
});