在当今数字化商业环境中，会员体系已成为企业留存用户、提升用户粘性的核心策略。传统的会员等级与积分系统往往局限于简单的消费积分和等级划分，缺乏个性化和互动性。对于使用WordPress搭建网站的企业来说，如何利用这一开源平台的灵活性，开发出创新的会员积分接口，成为提升竞争力的关键。

WordPress作为全球最流行的内容管理系统，拥有丰富的插件生态和高度可扩展的代码架构。本文将基于WordPress开发环境，为行业新人和程序员提供四个创新的会员等级与积分接口搭建思路，每个思路都将包含具体的技术实现方案和代码示例。

传统积分系统通常基于单一维度（如消费金额）计算积分，这种模式缺乏对用户全方位参与的激励。行为驱动的动态积分系统通过追踪用户的多维度行为，赋予不同行为不同的积分权重，从而更全面地反映用户价值。

在WordPress中实现行为驱动积分系统，我们需要创建自定义数据库表来记录用户行为，并开发相应的积分计算逻辑。

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// 创建用户行为记录表
function create_user_behavior_table() {
    global $wpdb;
    $table_name = $wpdb->prefix . 'user_behavior_logs';
    $charset_collate = $wpdb->get_charset_collate();
    
    $sql = "CREATE TABLE IF NOT EXISTS $table_name (
        id mediumint(9) NOT NULL AUTO_INCREMENT,
        user_id bigint(20) NOT NULL,
        behavior_type varchar(100) NOT NULL,
        behavior_value text,
        points_earned int(11) DEFAULT 0,
        created_at datetime DEFAULT CURRENT_TIMESTAMP,
        PRIMARY KEY (id),
        KEY user_id (user_id),
        KEY behavior_type (behavior_type)
    ) $charset_collate;";
    
    require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
    dbDelta($sql);
}
register_activation_hook(__FILE__, 'create_user_behavior_table');

// 定义行为积分权重
function get_behavior_points_config() {
    return array(
        'post_published' => 50,      // 发布文章
        'comment_posted' => 10,      // 发表评论
        'daily_login' => 5,          // 每日登录
        'social_share' => 15,        // 社交分享
        'content_liked' => 3,        // 内容点赞
        'profile_completed' => 30,   // 完善资料
        'referral_signup' => 100,    // 推荐注册
    );
}

// 记录用户行为并分配积分
function record_user_behavior($user_id, $behavior_type, $behavior_value = '') {
    global $wpdb;
    $table_name = $wpdb->prefix . 'user_behavior_logs';
    
    $points_config = get_behavior_points_config();
    $points_earned = isset($points_config[$behavior_type]) ? $points_config[$behavior_type] : 0;
    
    // 插入行为记录
    $wpdb->insert(
        $table_name,
        array(
            'user_id' => $user_id,
            'behavior_type' => $behavior_type,
            'behavior_value' => $behavior_value,
            'points_earned' => $points_earned
        )
    );
    
    // 更新用户总积分
    if ($points_earned > 0) {
        update_user_meta($user_id, 'total_points', 
            intval(get_user_meta($user_id, 'total_points', true)) + $points_earned);
    }
    
    return $points_earned;
}

为了使积分系统更加灵活，我们可以引入动态积分调整机制，根据时间、活动类型或用户当前等级调整积分权重。

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// 动态积分计算器
function calculate_dynamic_points($behavior_type, $user_id) {
    $base_points = get_behavior_points_config()[$behavior_type] ?? 0;
    
    // 根据用户等级调整
    $user_level = get_user_meta($user_id, 'membership_level', true);
    $level_multiplier = 1.0;
    
    switch($user_level) {
        case 'gold':
            $level_multiplier = 1.5;
            break;
        case 'silver':
            $level_multiplier = 1.2;
            break;
        case 'bronze':
            $level_multiplier = 1.0;
            break;
        default:
            $level_multiplier = 1.0;
    }
    
    // 根据时间调整（例如周末双倍积分）
    $day_of_week = date('w');
    $time_multiplier = (in_array($day_of_week, [0, 6])) ? 2.0 : 1.0; // 周末双倍
    
    // 根据活动类型特殊调整
    $event_multiplier = 1.0;
    if (is_special_event_active()) {
        $event_multiplier = 1.3; // 活动期间增加30%
    }
    
    return intval($base_points * $level_multiplier * $time_multiplier * $event_multiplier);
}

传统等级系统通常基于固定阈值划分用户等级，缺乏灵活性。基于机器学习算法的智能等级系统能够根据用户行为模式自动调整等级标准，实现真正的个性化会员体验。

首先，我们需要收集和提取用户特征，然后使用聚类算法对用户进行分组。

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// 收集用户特征数据
function collect_user_features($user_id) {
    $features = array();
    
    // 基础特征
    $user_data = get_userdata($user_id);
    $registration_date = $user_data->user_registered;
    $days_since_registration = floor((time() - strtotime($registration_date)) / (60 * 60 * 24));
    
    $features['account_age'] = $days_since_registration;
    $features['total_points'] = intval(get_user_meta($user_id, 'total_points', true));
    
    // 行为特征
    global $wpdb;
    $table_name = $wpdb->prefix . 'user_behavior_logs';
    
    // 计算活跃度
    $recent_activity = $wpdb->get_var($wpdb->prepare(
        "SELECT COUNT(*) FROM $table_name 
         WHERE user_id = %d AND created_at >= DATE_SUB(NOW(), INTERVAL 30 DAY)",
        $user_id
    ));
    $features['activity_score'] = $recent_activity;
    
    // 计算内容贡献度
    $post_count = count_user_posts($user_id);
    $comment_count = get_comments(array('user_id' => $user_id, 'count' => true));
    $features['contribution_score'] = ($post_count * 3) + $comment_count;
    
    // 计算社交影响力
    $followers_count = intval(get_user_meta($user_id, 'follower_count', true));
    $shares_count = $wpdb->get_var($wpdb->prepare(
        "SELECT COUNT(*) FROM $table_name 
         WHERE user_id = %d AND behavior_type = 'social_share'",
        $user_id
    ));
    $features['influence_score'] = ($followers_count * 0.5) + ($shares_count * 0.3);
    
    return $features;
}

// 简单的K-means聚类实现（简化版）
function cluster_users($users_features, $k = 4) {
    // 初始化聚类中心
    $centroids = array();
    $feature_keys = array_keys($users_features[0]);
    
    for ($i = 0; $i < $k; $i++) {
        $random_user = $users_features[array_rand($users_features)];
        $centroids[] = $random_user;
    }
    
    // 迭代聚类
    $max_iterations = 100;
    for ($iter = 0; $iter < $max_iterations; $iter++) {
        $clusters = array_fill(0, $k, array());
        
        // 分配用户到最近的聚类中心
        foreach ($users_features as $user_id => $features) {
            $min_distance = PHP_FLOAT_MAX;
            $closest_cluster = 0;
            
            for ($i = 0; $i < $k; $i++) {
                $distance = euclidean_distance($features, $centroids[$i]);
                if ($distance < $min_distance) {
                    $min_distance = $distance;
                    $closest_cluster = $i;
                }
            }
            
            $clusters[$closest_cluster][] = array('user_id' => $user_id, 'features' => $features);
        }
        
        // 重新计算聚类中心
        $new_centroids = array();
        for ($i = 0; $i < $k; $i++) {
            if (empty($clusters[$i])) {
                $new_centroids[] = $centroids[$i];
                continue;
            }
            
            $cluster_features = array_column($clusters[$i], 'features');
            $new_centroid = array();
            foreach ($feature_keys as $key) {
                $values = array_column($cluster_features, $key);
                $new_centroid[$key] = array_sum($values) / count($values);
            }
            $new_centroids[] = $new_centroid;
        }
        
        // 检查收敛
        if (centroids_converged($centroids, $new_centroids)) {
            break;
        }
        
        $centroids = $new_centroids;
    }
    
    return array('clusters' => $clusters, 'centroids' => $centroids);
}

// 欧几里得距离计算
function euclidean_distance($features1, $features2) {
    $sum = 0;
    foreach ($features1 as $key => $value) {
        if (isset($features2[$key])) {
            $sum += pow($value - $features2[$key], 2);
        }
    }
    return sqrt($sum);
}

基于聚类结果，我们可以智能分配用户等级，并定期重新评估。

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// 智能等级分配
function assign_smart_membership_level($user_id) {
    // 收集所有活跃用户的特征
    $active_users = get_users(array(
        'meta_key' => 'total_points',
        'meta_value' => '0',
        'meta_compare' => '>',
        'fields' => 'ID'
    ));
    
    $users_features = array();
    foreach ($active_users as $uid) {
        $users_features[$uid] = collect_user_features($uid);
    }
    
    // 执行聚类分析（假设4个等级）
    $clustering_result = cluster_users($users_features, 4);
    $clusters = $clustering_result['clusters'];
    
    // 根据聚类结果分配等级
    $level_names = array('bronze', 'silver', 'gold', 'platinum');
    
    foreach ($clusters as $cluster_index => $cluster_users) {
        $level_name = $level_names[$cluster_index];
        
        foreach ($cluster_users as $cluster_user) {
            update_user_meta($cluster_user['user_id'], 'smart_membership_level', $level_name);
            
            // 记录等级变化历史
            add_user_level_history($cluster_user['user_id'], $level_name, 'auto_cluster');
        }
    }
    
    // 为特定用户分配等级
    $user_cluster_index = find_user_cluster($user_id, $clustering_result);
    $user_level = $level_names[$user_cluster_index];
    update_user_meta($user_id, 'smart_membership_level', $user_level);
    
    return $user_level;
}

// 定期重新评估等级
function schedule_smart_level_reassessment() {
    if (!wp_next_scheduled('reassess_membership_levels')) {
        wp_schedule_event(time(), 'weekly', 'reassess_membership_levels');
    }
}
add_action('reassess_membership_levels', 'reassess_all_user_levels');

function reassess_all_user_levels() {
    $users = get_users(array('fields' => 'ID'));
    
    foreach ($users as $user_id) {
        assign_smart_membership_level($user_id);
    }
}

游戏化通过引入挑战、成就、排行榜等元素，显著提升用户参与度。在会员系统中融入游戏化设计，可以使积分积累过程更加有趣和富有激励性。

成就系统是游戏化的核心组件，通过设定可完成的目标来激励用户。

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// 成就系统类
class Gamification_Achievement_System {
    private $achievements;
    
    public function __construct() {
        $this->load_achievements();
    }
    
    private function load_achievements() {
        $this->achievements = array(
            'first_comment' => array(
                'title' => '初次发声',
                'description' => '发表第一条评论',
                'points' => 50,
                'condition' => 'check_first_comment'
            ),
            'content_creator' => array(
                'title' => '内容创作者',
                'description' => '发布10篇文章',
                'points' => 300,
                'condition' => 'check_content_creator'
            ),
            'social_butterfly' => array(
                'title' => '社交达人',
                'description' => '分享内容到社交平台20次',
                'points' => 200,
                'condition' => 'check_social_butterfly'
            ),
            'week_streak' => array(
                'title' => '持之以恒',
                'description' => '连续7天登录',
                'points' => 150,
                'condition' => 'check_week_streak'
            ),
            'expert_contributor' => array(
                'title' => '专家贡献者',
                'description' => '获得100个点赞',
                'points' => 500,
                'condition' => 'check_expert_contributor'
            )
        );
    }
    
    // 检查成就条件
    public function check_achievements($user_id) {
        $unlocked_achievements = array();
        
        foreach ($this->achievements as $achievement_id => $achievement) {
            $condition_function = $achievement['condition'];
            
            if (method_exists($this, $condition_function)) {
                if ($this->$condition_function($user_id)) {
                    if (!$this->is_achievement_unlocked($user_id, $achievement_id)) {
                        $this->unlock_achievement($user_id, $achievement_id);
                        $unlocked_achievements[] = $achievement_id;
                    }
                }
            }
        }
        
        return $unlocked_achievements;
    }
    
    // 具体成就条件检查方法
    private function check_first_comment($user_id) {
        $comment_count = get_comments(array('user_id' => $user_id, 'count' => true));
        return $comment_count >= 1;
    }
    
    private function check_content_creator($user_id) {
        $post_count = count_user_posts($user_id);
        return $post_count >= 10;
    }
    
    private function check_social_butterfly($user_id) {
        global $wpdb;
        $table_name = $wpdb->prefix . 'user_behavior_logs';
        
        $share_count = $wpdb->get_var($wpdb->prepare(
            "SELECT COUNT(*) FROM $table_name 
             WHERE user_id = %d AND behavior_type = 'social_share'",
            $user_id
        ));
        
        return $share_count >= 20;
    }
    
    private function check_week_streak($user_id) {
        $login_streak = get_user_meta($user_id, 'login_streak', true);
        return intval($login_streak) >= 7;
    }
    
    private function check_expert_contributor($user_id) {
        $total_likes = get_user_meta($user_id, 'total_content_likes', true);
        return intval($total_likes) >= 100;
    }
    
    // 解锁成就
    private function unlock_achievement($user_id, $achievement_id) {
        // 记录成就解锁
        $unlocked_achievements = get_user_meta($user_id, 'unlocked_achievements', true);
        if (!is_array($unlocked_achievements)) {
            $unlocked_achievements = array();
        }
        
        if (!in_array($achievement_id, $unlocked_achievements)) {
            $unlocked_achievements[] = $achievement_id;
            update_user_meta($user_id, 'unlocked_achievements', $unlocked_achievements);
            
            // 奖励积分
            $achievement_points = $this->achievements[$achievement_id]['points'];
            $current_points = intval(get_user_meta($user_id, 'total_points', true));
            update_user_meta($user_id, 'total_points', $current_points + $achievement_points);
            
            // 发送通知
            $this->send_achievement_notification($user_id, $achievement_id);
            
            // 记录到日志
            $this->log_achievement_unlock($user_id, $achievement_id);
        }
    }
    
    // 检查是否已解锁成就
    private function is_achievement_unlocked($user_id, $achievement_id) {
        $unlocked_achievements = get_user_meta($user_id, 'unlocked_achievements', true);
        if (!is_array($unlocked_achievements)) {
            return false;
        }
        
        return in_array($achievement_id, $unlocked_achievements);
    }
    
    // 发送成就解锁通知
    private function send_achievement_notification($user_id, $achievement_id) {

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        $achievement = $this->achievements[$achievement_id];
        $notification_message = sprintf(
            '恭喜！您已解锁成就「%s」：%s。获得%d积分奖励！',
            $achievement['title'],
            $achievement['description'],
            $achievement['points']
        );
        
        // 存储用户通知
        $notifications = get_user_meta($user_id, 'user_notifications', true);
        if (!is_array($notifications)) {
            $notifications = array();
        }
        
        $notifications[] = array(
            'type' => 'achievement',
            'message' => $notification_message,
            'timestamp' => current_time('mysql'),
            'read' => false
        );
        
        update_user_meta($user_id, 'user_notifications', $notifications);
        
        // 实时通知（可通过WebSocket或AJAX实现）
        do_action('achievement_unlocked', $user_id, $achievement_id, $achievement);
    }
    
    private function log_achievement_unlock($user_id, $achievement_id) {
        global $wpdb;
        $table_name = $wpdb->prefix . 'achievement_logs';
        
        $wpdb->insert(
            $table_name,
            array(
                'user_id' => $user_id,
                'achievement_id' => $achievement_id,
                'unlocked_at' => current_time('mysql')
            )
        );
    }
}

// 初始化成就系统
$gamification_system = new Gamification_Achievement_System();

// 在用户执行操作时检查成就
add_action('wp_insert_comment', 'check_achievements_on_comment', 10, 2);
function check_achievements_on_comment($comment_id, $comment) {
    if ($comment->user_id > 0) {
        global $gamification_system;
        $gamification_system->check_achievements($comment->user_id);
    }
}

进度条和任务系统为用户提供明确的目标和即时反馈，增强参与感。

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// 进度条系统
class Progress_Bar_System {
    public function render_user_progress($user_id) {
        $current_level = get_user_meta($user_id, 'membership_level', true);
        $current_points = intval(get_user_meta($user_id, 'total_points', true));
        
        // 获取下一等级要求
        $next_level_info = $this->get_next_level_info($current_level);
        
        if (!$next_level_info) {
            return '<div class="progress-container">您已达到最高等级！</div>';
        }
        
        $progress_percentage = min(100, ($current_points / $next_level_info['required_points']) * 100);
        
        $html = '<div class="progress-container">';
        $html .= '<div class="level-info">';
        $html .= '<span class="current-level">当前：' . ucfirst($current_level) . '</span>';
        $html .= '<span class="next-level">下一级：' . ucfirst($next_level_info['name']) . '</span>';
        $html .= '</div>';
        $html .= '<div class="progress-bar">';
        $html .= '<div class="progress-fill" style="width: ' . $progress_percentage . '%;"></div>';
        $html .= '</div>';
        $html .= '<div class="progress-stats">';
        $html .= '<span>' . $current_points . ' / ' . $next_level_info['required_points'] . ' 积分</span>';
        $html .= '<span>' . round($progress_percentage, 1) . '%</span>';
        $html .= '</div>';
        $html .= '</div>';
        
        return $html;
    }
    
    private function get_next_level_info($current_level) {
        $levels = array(
            'bronze' => array(
                'name' => 'silver',
                'required_points' => 1000
            ),
            'silver' => array(
                'name' => 'gold',
                'required_points' => 5000
            ),
            'gold' => array(
                'name' => 'platinum',
                'required_points' => 20000
            ),
            'platinum' => null // 最高等级
        );
        
        return isset($levels[$current_level]) ? $levels[$current_level] : null;
    }
}

// 日常任务系统
class Daily_Task_System {
    private $tasks;
    
    public function __construct() {
        $this->tasks = array(
            'daily_login' => array(
                'title' => '每日签到',
                'description' => '每天登录网站',
                'points' => 10,
                'max_completions' => 1,
                'reset_frequency' => 'daily'
            ),
            'read_articles' => array(
                'title' => '知识探索者',
                'description' => '阅读5篇文章',
                'points' => 30,
                'max_completions' => 1,
                'reset_frequency' => 'daily'
            ),
            'post_comment' => array(
                'title' => '观点表达',
                'description' => '发表3条评论',
                'points' => 25,
                'max_completions' => 1,
                'reset_frequency' => 'daily'
            ),
            'social_share' => array(
                'title' => '内容传播',
                'description' => '分享2次到社交媒体',
                'points' => 20,
                'max_completions' => 1,
                'reset_frequency' => 'daily'
            )
        );
    }
    
    public function get_user_tasks($user_id) {
        $user_tasks = array();
        $today = date('Y-m-d');
        
        foreach ($this->tasks as $task_id => $task) {
            $completion_data = $this->get_task_completion_data($user_id, $task_id, $today);
            
            $user_tasks[$task_id] = array_merge($task, array(
                'completed' => $completion_data['completed'],
                'progress' => $completion_data['progress'],
                'max_progress' => $completion_data['max_progress'],
                'can_complete' => $completion_data['can_complete']
            ));
        }
        
        return $user_tasks;
    }
    
    private function get_task_completion_data($user_id, $task_id, $date) {
        global $wpdb;
        $table_name = $wpdb->prefix . 'task_completions';
        
        $completions_today = $wpdb->get_var($wpdb->prepare(
            "SELECT COUNT(*) FROM $table_name 
             WHERE user_id = %d AND task_id = %s AND completion_date = %s",
            $user_id, $task_id, $date
        ));
        
        $task = $this->tasks[$task_id];
        $completed = $completions_today >= $task['max_completions'];
        
        // 获取任务进度
        $progress = $this->calculate_task_progress($user_id, $task_id, $date);
        
        return array(
            'completed' => $completed,
            'progress' => $progress['current'],
            'max_progress' => $progress['max'],
            'can_complete' => !$completed && $progress['current'] >= $progress['max']
        );
    }
    
    private function calculate_task_progress($user_id, $task_id, $date) {
        switch ($task_id) {
            case 'daily_login':
                $logged_today = $this->check_daily_login($user_id, $date);
                return array('current' => $logged_today ? 1 : 0, 'max' => 1);
                
            case 'read_articles':
                $articles_read = $this->count_articles_read($user_id, $date);
                return array('current' => $articles_read, 'max' => 5);
                
            case 'post_comment':
                $comments_today = $this->count_comments_today($user_id, $date);
                return array('current' => $comments_today, 'max' => 3);
                
            case 'social_share':
                $shares_today = $this->count_shares_today($user_id, $date);
                return array('current' => $shares_today, 'max' => 2);
                
            default:
                return array('current' => 0, 'max' => 1);
        }
    }
}

区块链技术为积分系统带来了透明度、安全性和互操作性。去中心化的积分系统可以防止积分篡改，实现跨平台积分流通，并增强用户对积分资产的掌控感。

虽然完全的去中心化系统需要独立的区块链节点，但我们可以通过智能合约和API集成，在WordPress中实现混合式区块链积分系统。

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// 区块链积分管理器
class Blockchain_Points_Manager {
    private $web3_provider;
    private $contract_address;
    private $contract_abi;
    
    public function __construct() {
        // 配置Web3提供商（使用Infura等节点服务）
        $this->web3_provider = 'https://mainnet.infura.io/v3/YOUR_INFURA_PROJECT_ID';
        $this->contract_address = '0x...'; // 智能合约地址
        $this->contract_abi = json_decode(file_get_contents('path/to/contract_abi.json'), true);
    }
    
    // 为用户创建区块链钱包（简化版）
    public function create_user_wallet($user_id) {
        // 在实际应用中，应该使用更安全的密钥管理方案
        $private_key = bin2hex(random_bytes(32));
        $address = $this->generate_address_from_private_key($private_key);
        
        // 加密存储私钥（生产环境应使用硬件安全模块）
        $encrypted_key = $this->encrypt_private_key($private_key);
        
        update_user_meta($user_id, 'blockchain_wallet_address', $address);
        update_user_meta($user_id, 'encrypted_private_key', $encrypted_key);
        
        // 初始化智能合约中的用户余额
        $this->initialize_user_balance($address);
        
        return $address;
    }
    
    // 发行积分到用户钱包
    public function issue_points($user_id, $points_amount, $reason = '') {
        $user_address = get_user_meta($user_id, 'blockchain_wallet_address', true);
        
        if (!$user_address) {
            $user_address = $this->create_user_wallet($user_id);
        }
        
        // 调用智能合约的发行函数
        $transaction_hash = $this->call_contract_method(
            'issuePoints',
            array($user_address, $points_amount)
        );
        
        // 记录交易
        $this->log_blockchain_transaction(
            $user_id,
            'issue',
            $points_amount,
            $transaction_hash,
            $reason
        );
        
        return $transaction_hash;
    }
    
    // 转移积分（用户间转账）
    public function transfer_points($from_user_id, $to_user_id, $points_amount, $memo = '') {
        $from_address = get_user_meta($from_user_id, 'blockchain_wallet_address', true);
        $to_address = get_user_meta($to_user_id, 'blockchain_wallet_address', true);
        
        if (!$to_address) {
            $to_address = $this->create_user_wallet($to_user_id);
        }
        
        // 调用智能合约的转移函数
        $transaction_hash = $this->call_contract_method(
            'transferPoints',
            array($from_address, $to_address, $points_amount)
        );
        
        // 记录双方交易
        $this->log_blockchain_transaction(
            $from_user_id,
            'transfer_out',
            -$points_amount,
            $transaction_hash,
            $memo
        );
        
        $this->log_blockchain_transaction(
            $to_user_id,
            'transfer_in',
            $points_amount,
            $transaction_hash,
            $memo
        );
        
        return $transaction_hash;
    }
    
    // 查询用户区块链积分余额
    public function get_blockchain_balance($user_id) {
        $user_address = get_user_meta($user_id, 'blockchain_wallet_address', true);
        
        if (!$user_address) {
            return 0;
        }
        
        // 调用智能合约的查询函数
        $balance = $this->call_contract_method(
            'balanceOf',
            array($user_address),
            true // 只读调用
        );
        
        return intval($balance);
    }
    
    // 调用智能合约方法
    private function call_contract_method($method_name, $params = array(), $read_only = false) {
        // 使用Web3.php库与以太坊节点交互
        $web3 = new Web3Web3($this->web3_provider);
        $contract = new Web3Contract($web3->provider, $this->contract_abi);
        
        $contract->at($this->contract_address);
        
        if ($read_only) {
            // 只读调用
            $result = null;
            $contract->call($method_name, $params, function ($err, $data) use (&$result) {
                if ($err !== null) {
                    error_log('智能合约调用错误: ' . $err->getMessage());
                    return;
                }
                $result = $data;
            });
            
            return $result;
        } else {
            // 写入交易（需要签名）
            $private_key = $this->get_system_private_key(); // 系统钱包私钥
            $nonce = $this->get_nonce($this->get_system_address());
            
            $transaction = array(
                'nonce' => $nonce,
                'from' => $this->get_system_address(),
                'to' => $this->contract_address,
                'data' => $contract->getData($method_name, $params),
                'gas' => '200000',
                'gasPrice' => $web3->eth->gasPrice()
            );
            
            // 签名并发送交易
            $signed_tx = $this->sign_transaction($transaction, $private_key);
            $tx_hash = $this->send_raw_transaction($signed_tx);
            
            // 等待交易确认
            $this->wait_for_transaction_confirmation($tx_hash);
            
            return $tx_hash;
        }
    }
    
    // 积分兑换商城
    public function create_reward_marketplace() {
        // 创建可兑换的商品
        $rewards = array(
            'discount_10' => array(
                'name' => '9折优惠券',
                'points_cost' => 1000,
                'stock' => 100,
                'blockchain_item_id' => 1
            ),
            'exclusive_content' => array(
                'name' => '独家内容访问权',
                'points_cost' => 500,
                'stock' => -1, // 无限
                'blockchain_item_id' => 2
            ),
            'physical_gift' => array(
                'name' => '定制礼品',
                'points_cost' => 5000,
                'stock' => 50,
                'blockchain_item_id' => 3
            )
        );
        
        update_option('blockchain_rewards_marketplace', $rewards);
    }
    
    // 兑换商品
    public function redeem_reward($user_id, $reward_id) {
        $rewards = get_option('blockchain_rewards_marketplace', array());
        
        if (!isset($rewards[$reward_id])) {
            return new WP_Error('invalid_reward', '无效的商品ID');
        }
        
        $reward = $rewards[$reward_id];
        
        // 检查库存
        if ($reward['stock'] == 0) {
            return new WP_Error('out_of_stock', '商品已售罄');
        }
        
        // 检查用户余额
        $user_balance = $this->get_blockchain_balance($user_id);
        if ($user_balance < $reward['points_cost']) {
            return new WP_Error('insufficient_points', '积分不足');
        }
        
        // 调用智能合约进行兑换
        $user_address = get_user_meta($user_id, 'blockchain_wallet_address', true);
        $transaction_hash = $this->call_contract_method(
            'redeemReward',
            array($user_address, $reward['blockchain_item_id'], $reward['points_cost'])
        );
        
        // 更新库存
        if ($reward['stock'] > 0) {
            $rewards[$reward_id]['stock']--;
            update_option('blockchain_rewards_marketplace', $rewards);
        }
        
        // 发放兑换码或实物
        $redemption_code = $this->generate_redemption_code();
        $this->record_redemption($user_id, $reward_id, $redemption_code, $transaction_hash);
        
        // 发送兑换确认
        $this->send_redemption_confirmation($user_id, $reward, $redemption_code);
        
        return array(
            'success' => true,
            'transaction_hash' => $transaction_hash,
            'redemption_code' => $redemption_code
        );
    }
}

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// 跨平台积分流通管理器
class Cross_Platform_Points_Manager {
    private $partner_platforms;
    
    public function __construct() {
        $this->partner_platforms = array(
            'platform_a' => array(
                'api_endpoint' => 'https://api.platform-a.com/points',
                'api_key' => 'YOUR_API_KEY_A',
                'points_ratio' => 1.0 // 积分兑换比例
            ),
            'platform_b' => array(
                'api_endpoint' => 'https://api.platform-b.com/rewards',
                'api_key' => 'YOUR_API_KEY_B',
                'points_ratio' => 0.8
            )
        );
    }
    
    // 同步用户积分到外部平台
    public function sync_points_to_platform($user_id, $platform_id, $points_amount) {