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网络传媒WordPress柔性内容智能分发策略配置教程

网络传媒WordPress柔性内容智能分发策略配置教程

在当今信息爆炸的时代,网络传媒机构面临着如何高效分发内容的巨大挑战。WordPress作为全球最流行的内容管理系统,通过合理的配置可以实现柔性内容智能分发,大幅提升内容传播效率和用户体验。本教程将详细介绍如何配置WordPress智能内容分发系统。

一、智能内容分发系统架构设计

智能内容分发系统的核心是根据用户特征、行为数据和内容属性,动态调整内容展示策略。以下是基础架构设计:

<?php
/**
 * WordPress智能内容分发系统架构类
 * 负责管理内容分发策略和用户行为分析
 */
class IntelligentContentDistribution {
    
    private $user_profile;      // 用户画像数据
    private $content_metadata;  // 内容元数据
    private $distribution_rules;// 分发规则
    private $performance_data;  // 性能数据
    
    /**
     * 初始化分发系统
     */
    public function __construct() {
        $this->user_profile = array();
        $this->content_metadata = array();
        $this->distribution_rules = $this->load_distribution_rules();
        $this->performance_data = array();
        
        // 添加WordPress钩子
        add_action('wp_head', array($this, 'track_user_behavior'));
        add_filter('the_content', array($this, 'dynamic_content_adjustment'));
    }
    
    /**
     * 加载分发规则配置
     * @return array 分发规则数组
     */
    private function load_distribution_rules() {
        // 从数据库或配置文件中加载规则
        $default_rules = array(
            'time_based' => true,      // 基于时间的分发
            'location_based' => true,   // 基于地理位置的分发
            'behavior_based' => true,   // 基于用户行为的分发
            'device_based' => true,     // 基于设备类型的分发
            'priority_levels' => array('high', 'medium', 'low')
        );
        
        // 合并数据库中的自定义规则
        $saved_rules = get_option('icd_distribution_rules', array());
        return wp_parse_args($saved_rules, $default_rules);
    }
    
    /**
     * 跟踪用户行为
     */
    public function track_user_behavior() {
        // 获取用户基本信息
        $user_id = get_current_user_id();
        $user_ip = $_SERVER['REMOTE_ADDR'];
        $user_agent = $_SERVER['HTTP_USER_AGENT'];
        
        // 记录访问信息
        $this->user_profile = array(
            'user_id' => $user_id,
            'ip_address' => $user_ip,
            'user_agent' => $user_agent,
            'access_time' => current_time('timestamp'),
            'page_views' => $this->get_user_pageviews($user_id),
            'preferences' => $this->analyze_user_preferences($user_id)
        );
        
        // 更新用户行为数据库
        $this->update_user_behavior_data();
    }
}
?>

二、用户画像与行为分析模块

智能分发的基础是准确理解用户需求。以下是用户画像分析模块的实现:

<?php
/**
 * 用户画像分析类
 * 收集和分析用户数据,构建用户画像
 */
class UserProfileAnalyzer {
    
    /**
     * 分析用户内容偏好
     * @param int $user_id 用户ID
     * @return array 用户偏好数据
     */
    public function analyze_user_preferences($user_id) {
        global $wpdb;
        
        $preferences = array(
            'categories' => array(),
            'tags' => array(),
            'authors' => array(),
            'content_types' => array(),
            'reading_times' => array()
        );
        
        if ($user_id > 0) {
            // 查询用户历史浏览记录
            $history = $wpdb->get_results($wpdb->prepare(
                "SELECT post_id, view_count, last_viewed 
                 FROM {$wpdb->prefix}user_content_history 
                 WHERE user_id = %d 
                 ORDER BY last_viewed DESC 
                 LIMIT 50",
                $user_id
            ));
            
            foreach ($history as $record) {
                $post_categories = wp_get_post_categories($record->post_id);
                $post_tags = wp_get_post_tags($record->post_id, array('fields' => 'ids'));
                
                // 统计分类偏好
                foreach ($post_categories as $cat_id) {
                    if (!isset($preferences['categories'][$cat_id])) {
                        $preferences['categories'][$cat_id] = 0;
                    }
                    $preferences['categories'][$cat_id] += $record->view_count;
                }
                
                // 统计标签偏好
                foreach ($post_tags as $tag_id) {
                    if (!isset($preferences['tags'][$tag_id])) {
                        $preferences['tags'][$tag_id] = 0;
                    }
                    $preferences['tags'][$tag_id] += $record->view_count;
                }
            }
        }
        
        return $preferences;
    }
    
    /**
     * 获取用户设备信息
     * @return array 设备信息
     */
    public function get_device_info() {
        $user_agent = $_SERVER['HTTP_USER_AGENT'];
        
        // 检测设备类型
        $device_type = 'desktop';
        if (preg_match('/(android|webos|iphone|ipad|ipod|blackberry|windows phone)/i', $user_agent)) {
            $device_type = 'mobile';
        }
        
        // 检测浏览器
        $browser = 'unknown';
        if (preg_match('/chrome/i', $user_agent)) {
            $browser = 'chrome';
        } elseif (preg_match('/firefox/i', $user_agent)) {
            $browser = 'firefox';
        } elseif (preg_match('/safari/i', $user_agent)) {
            $browser = 'safari';
        }
        
        return array(
            'type' => $device_type,
            'browser' => $browser,
            'screen_size' => $this->detect_screen_size()
        );
    }
    
    /**
     * 检测屏幕尺寸(通过JavaScript传递)
     * @return string 屏幕尺寸分类
     */
    private function detect_screen_size() {
        // 实际应用中通过JavaScript获取并存储在cookie中
        if (isset($_COOKIE['screen_size'])) {
            return sanitize_text_field($_COOKIE['screen_size']);
        }
        return 'unknown';
    }
}
?>

三、内容智能匹配算法实现

内容与用户的匹配是智能分发的核心。以下是匹配算法的实现:

<?php
/**
 * 内容匹配算法类
 * 根据用户画像匹配最合适的内容
 */
class ContentMatchingAlgorithm {
    
    private $user_profile;
    private $content_pool;
    
    /**
     * 初始化匹配算法
     * @param array $user_profile 用户画像
     * @param array $content_pool 内容池
     */
    public function __construct($user_profile, $content_pool) {
        $this->user_profile = $user_profile;
        $this->content_pool = $content_pool;
    }
    
    /**
     * 计算内容匹配分数
     * @param object $content 内容对象
     * @return float 匹配分数(0-100)
     */
    public function calculate_match_score($content) {
        $total_score = 0;
        $weights = $this->get_matching_weights();
        
        // 1. 分类匹配 (权重: 30%)
        $category_score = $this->calculate_category_match($content);
        $total_score += $category_score * $weights['category'];
        
        // 2. 标签匹配 (权重: 25%)
        $tag_score = $this->calculate_tag_match($content);
        $total_score += $tag_score * $weights['tag'];
        
        // 3. 时效性匹配 (权重: 20%)
        $recency_score = $this->calculate_recency_match($content);
        $total_score += $recency_score * $weights['recency'];
        
        // 4. 热度匹配 (权重: 15%)
        $popularity_score = $this->calculate_popularity_match($content);
        $total_score += $popularity_score * $weights['popularity'];
        
        // 5. 个性化匹配 (权重: 10%)
        $personalization_score = $this->calculate_personalization_match($content);
        $total_score += $personalization_score * $weights['personalization'];
        
        return min(100, max(0, $total_score));
    }
    
    /**
     * 计算分类匹配度
     * @param object $content 内容对象
     * @return float 分类匹配分数
     */
    private function calculate_category_match($content) {
        $user_categories = $this->user_profile['preferences']['categories'];
        $content_categories = wp_get_post_categories($content->ID);
        
        if (empty($user_categories) || empty($content_categories)) {
            return 50; // 默认分数
        }
        
        $match_score = 0;
        $max_score = 100;
        
        foreach ($content_categories as $cat_id) {
            if (isset($user_categories[$cat_id])) {
                // 用户对该分类有浏览历史,根据浏览次数计算分数
                $user_views = $user_categories[$cat_id];
                $match_score += min(100, $user_views * 10);
            }
        }
        
        return min($max_score, $match_score / count($content_categories));
    }
    
    /**
     * 计算时效性匹配度
     * @param object $content 内容对象
     * @return float 时效性分数
     */
    private function calculate_recency_match($content) {
        $post_date = strtotime($content->post_date);
        $current_time = current_time('timestamp');
        $days_old = ($current_time - $post_date) / (60 * 60 * 24);
        
        // 指数衰减公式:分数 = 100 * e^(-0.1 * 天数)
        $score = 100 * exp(-0.1 * $days_old);
        
        return max(0, min(100, $score));
    }
    
    /**
     * 获取匹配权重配置
     * @return array 权重配置
     */
    private function get_matching_weights() {
        return array(
            'category' => 0.30,
            'tag' => 0.25,
            'recency' => 0.20,
            'popularity' => 0.15,
            'personalization' => 0.10
        );
    }
}
?>

四、分发策略配置与管理界面

为了方便管理,我们需要创建一个配置界面:

<?php
/**
 * 智能分发策略配置页面
 */
class ICD_Admin_Configuration {
    
    /**
     * 初始化管理界面
     */
    public function __construct() {
        add_action('admin_menu', array($this, 'add_admin_menu'));
        add_action('admin_init', array($this, 'register_settings'));
    }
    
    /**
     * 添加管理菜单
     */
    public function add_admin_menu() {
        add_options_page(
            '智能内容分发设置',
            '内容分发策略',
            'manage_options',
            'icd-settings',
            array($this, 'render_settings_page')
        );
    }
    
    /**
     * 注册设置选项
     */
    public function register_settings() {
        register_setting('icd_settings_group', 'icd_distribution_rules');
        register_setting('icd_settings_group', 'icd_matching_weights');
        register_setting('icd_settings_group', 'icd_performance_tracking');
        
        // 添加设置章节
        add_settings_section(
            'icd_main_section',
            '核心分发策略',
            array($this, 'render_main_section'),
            'icd-settings'
        );
        
        // 添加设置字段
        add_settings_field(
            'icd_time_based',
            '时间敏感分发',
            array($this, 'render_time_based_field'),
            'icd-settings',
            'icd_main_section'
        );
        
        add_settings_field(
            'icd_location_based',
            '地理位置分发',
            array($this, 'render_location_based_field'),
            'icd-settings',
            'icd_main_section'
        );
        
        add_settings_field(
            'icd_matching_weights',
            '匹配算法权重',
            array($this, 'render_matching_weights_field'),
            'icd-settings',
            'icd_main_section'
        );
    }
    
    /**
     * 渲染设置页面
     */
    public function render_settings_page() {
        ?>
        <div class="wrap">
            <h1>智能内容分发策略配置</h1>
            <form method="post" action="options.php">
                <?php
                settings_fields('icd_settings_group');
                do_settings_sections('icd-settings');
                submit_button('保存配置');
                ?>
            </form>
            
            <div class="icd-statistics">
                <h2>分发效果统计</h2>
                <div id="icd-performance-chart">
                    <!-- 这里可以添加图表显示分发效果 -->
                    <p>用户参与度提升: <span id="engagement-rate">加载中...</span></p>
                    <p>内容点击率: <span id="click-through-rate">加载中...</span></p>
                    <p>平均阅读时长: <span id="avg-reading-time">加载中...</span></p>
                </div>
            </div>
        </div>
        
        <script>
        // 实时加载统计数据
        jQuery(document).ready(function($) {
            $.ajax({
                url: ajaxurl,
                type: 'POST',
                data: {
                    action: 'get_icd_statistics'
                },
                success: function(response) {
                    if (response.success) {
                        $('#engagement-rate').text(response.data.engagement + '%');
                        $('#click-through-rate').text(response.data.ctr + '%');
                        $('#avg-reading-time').text(response.data.reading_time + '分钟');
                    }
                }
            });
        });
        </script>
        <?php
    }
    
    /**
     * 渲染时间敏感分发字段
     */
    public function render_time_based_field() {
        $options = get_option('icd_distribution_rules');
        $checked = isset($options['time_based']) ? $options['time_based'] : true;
        ?>
        <input type="checkbox" name="icd_distribution_rules[time_based]" value="1" <?php checked(1, $checked); ?>>
        <label>启用基于时间的智能分发</label>
        <p class="description">根据用户活跃时间和内容发布时间优化分发时机</p>
        
        <div style="margin-top: 10px;">
            <label>高峰时段权重:</label>
            <input type="number" name="icd_distribution_rules[peak_weight]" 
                   value="<?php echo isset($options['peak_weight']) ? $options['peak_weight'] : 1.5; ?>" 
                   step="0.1" min="0.5" max="3" style="width: 80px;">
            <p class="description">高峰时段内容曝光权重倍数 (0.5-3)</p>
        </div>
        <?php
    }
}
?>

五、性能优化与缓存策略

智能分发系统需要高效的性能支持:

<?php
/**
 * 智能分发缓存系统
 * 优化分发性能,减少数据库查询
 */
class ICD_Cache_System {
    
    private $cache_group = 'icd_distribution';
    private $cache_expiration = 3600; // 1小时
    
    /**
     * 获取缓存内容
     * @param string $key 缓存键
     * @param string $user_context 用户上下文
     * @return mixed 缓存数据
     */
    public function get_cached_content($key, $user_context = '') {
        $cache_key = $this->generate_cache_key($key, $user_context);
        
        // 尝试从缓存获取
        $cached = wp_cache_get($cache_key, $this->cache_group);
        
        if ($cached !== false) {
            return $cached;
        }
        
        return false;
    }
    
    /**
     * 设置缓存
     * @param string $key 缓存键
     * @param mixed $data 缓存数据
     * @param string $user_context 用户上下文
     * @param int $expiration 过期时间
     */
    public function set_cached_content($key, $data, $user_context = '', $expiration = null) {
        $cache_key = $this->generate_cache_key($key, $user_context);
        $expire = $expiration ?: $this->cache_expiration;
        
        wp_cache_set($cache_key, $data, $this->cache_group, $expire);
    }
    
    /**
     * 生成缓存键
     * @param string $key 基础键
     * @param string $user_context 用户上下文
     * @return string 完整缓存键
     */
    private function generate_cache_key($key, $user_context) {
        if ($user_context) {
            return $key . '_' . md5($user_context);
        }
        return $key;
    }
    
    /**
     * 清除用户相关缓存
     * @param int $user_id 用户ID
     */
    public function clear_user_cache($user_id) {
        global $wpdb;
        
        // 获取所有用户相关的缓存键
        $pattern = $this->cache_group . '_user_' . $user_id . '_%';
        
        // 这里需要根据实际缓存实现进行调整
        // 如果是使用Redis或Memcached,可以使用相应的清除模式
    }
    
    /**
     * 预加载热门内容
     */
    public function preload_popular_content() {
        // 获取热门内容ID
        $popular_posts = $this->get_popular_posts(20);
        
        foreach ($popular_posts as $post) {
            // 为不同用户群体预生成内容
            $user_segments = array('new_user', 'returning_user', 'power_user');
            
            foreach ($user_segments as $segment) {
                $content = $this->prepare_personalized_content($post, $segment);
                $cache_key = 'post_' . $post->ID . '_segment_' . $segment;
                $this->set_cached_content($cache_key, $content, '', 1800); // 缓存30分钟
            }
        }
    }
    
    /**
     * 获取热门文章
     * @param int $limit 数量限制
     * @return array 热门文章数组
     */
    private function get_popular_posts($limit = 10) {
        global $wpdb;
        
        $cache_key = 'popular_posts_' . $limit;
        $cached = $this->get_cached_content($cache_key);
        
        if ($cached !== false) {
            return $cached;
        }
        
        $query = $wpdb->prepare(
            "SELECT p.ID, p.post_title, 
                    COUNT(v.id) as view_count,
                    AVG(r.meta_value) as avg_rating
             FROM {$wpdb->posts} p
             LEFT JOIN {$wpdb->prefix}post_views v ON p.ID = v.post_id
             LEFT JOIN {$wpdb->postmeta} r ON p.ID = r.post_id AND r.meta_key = 'user_rating'
             WHERE p.post_type = 'post' 
               AND p.post_status = 'publish'
               AND p.post_date > DATE_SUB(NOW(), INTERVAL 30 DAY)
             GROUP BY p.ID
             ORDER BY view_count DESC, avg_rating DESC
             LIMIT %d",
            $limit
        );
        
        $results = $wpdb->get_results($query);
        $this->set_cached_content($cache_key, $results, '', 900); // 缓存15分钟
        
        return $results;
    }
}
?>

六、A/B测试与策略优化

为了持续优化分发效果,需要建立A/B测试系统:

<?php
/**
 * A/B测试管理系统
 * 用于测试不同分发策略的效果
 */
class AB_Testing_Manager {
    
    private $active_tests;
    private $test_results;
    
    /**
     * 初始化A/B测试系统
     */
    public function __construct() {
        $this->active_tests = get_option('icd_ab_tests', array());
        $this->test_results = array();
        
        add_action('wp_footer', array($this, 'track_test_interactions'));
    }
    
    /**
     * 创建新的A/B测试
     * @param string $test_name 测试名称
     * @param array $variants 测试变体
     * @param string $metric 评估指标
     * @param int $duration 测试时长(天)
     */
    public function create_test($test_name, $variants, $metric, $duration = 14) {
        $test_id = sanitize_title($test_name) . '_' . time();
        
        $test_config = array(
            'id' => $test_id,
            'name' => $test_name,
            'variants' => $variants,
            'metric' => $metric,
            'start_date' => current_time('mysql'),
            'end_date' => date('Y-m-d H:i:s', strtotime("+{$duration} days")),
            'status' => 'active',
            'participants' => array(),
            'results' => array()
        );
        
        $this->active_tests[$test_id] = $test_config;
        update_option('icd_ab_tests', $this->active_tests);
        
        return $test_id;
    }
    
    /**
     * 为用户分配测试变体
     * @param string $test_id 测试ID
     * @param int $user_id 用户ID
     * @return string 分配的变体
     */
    public function assign_variant($test_id, $user_id) {
        if (!isset($this->active_tests[$test_id])) {
            return 'control';
        }
        
        $test = $this->active_tests[$test_id];
        
        // 检查用户是否已参与测试
        if (isset($test['participants'][$user_id])) {
            return $test['participants'][$user_id];
        }
        
        // 随机分配变体(可改为更智能的分配算法)
        $variant_keys = array_keys($test['variants']);
        $assigned_variant = $variant_keys[array_rand($variant_keys)];
        
        // 记录分配
        $this->active_tests[$test_id]['participants'][$user_id] = $assigned_variant;
        update_option('icd_ab_tests', $this->active_tests);
        
        return $assigned_variant;
    }
    
    /**
     * 记录测试结果
     * @param string $test_id 测试ID
     * @param string $variant 变体名称
     * @param string $metric 指标名称
     * @param float $value 指标值
     */
    public function record_result($test_id, $variant, $metric, $value) {
        if (!isset($this->test_results[$test_id])) {
            $this->test_results[$test_id] = array();
        }
        
        if (!isset($this->test_results[$test_id][$variant])) {
            $this->test_results[$test_id][$variant] = array();
        }
        
        if (!isset($this->test_results[$test_id][$variant][$metric])) {
            $this->test_results[$test_id][$variant][$metric] = array();
        }
        
        $this->test_results[$test_id][$variant][$metric][] = $value;
        
        // 定期保存到数据库
        if (count($this->test_results[$test_id][$variant][$metric]) % 100 === 0) {
            $this->save_test_results($test_id);
        }
    }
    
    /**
     * 分析测试结果
     * @param string $test_id 测试ID
     * @return array 分析结果
     */
    public function analyze_results($test_id) {
        if (!isset($this->active_tests[$test_id]) || !isset($this->test_results[$test_id])) {
            return array('error' => '测试不存在或没有数据');
        }
        
        $test = $this->active_tests[$test_id];
        $analysis = array(
            'test_id' => $test_id,
            'test_name' => $test['name'],
            'total_participants' => count($test['participants']),
            'variants' => array()
        );
        
        foreach ($test['variants'] as $variant_name => $variant_config) {
            if (!isset($this->test_results[$test_id][$variant_name])) {
                continue;
            }
            
            $variant_data = $this->test_results[$test_id][$variant_name];
            $metric_values = isset($variant_data[$test['metric']]) ? $variant_data[$test['metric']] : array();
            
            $analysis['variants'][$variant_name] = array(
                'participants' => count(array_keys($test['participants'], $variant_name)),
                'metric' => $test['metric'],
                'mean' => $this->calculate_mean($metric_values),
                'std_dev' => $this->calculate_std_dev($metric_values),
                'confidence_interval' => $this->calculate_confidence_interval($metric_values),
                'improvement' => $this->calculate_improvement($test_id, 'control', $variant_name)
            );
        }
        
        // 确定优胜变体
        $analysis['winner'] = $this->determine_winner($analysis['variants']);
        
        return $analysis;
    }
    
    /**
     * 计算平均值
     */
    private function calculate_mean($values) {
        if (empty($values)) return 0;
        return array_sum($values) / count($values);
    }
    
    /**
     * 计算标准差
     */
    private function calculate_std_dev($values) {
        if (count($values) < 2) return 0;
        
        $mean = $this->calculate_mean($values);
        $sum = 0;
        
        foreach ($values as $value) {
            $sum += pow($value - $mean, 2);
        }
        
        return sqrt($sum / (count($values) - 1));
    }
}
?>

七、实时监控与报警系统

确保系统稳定运行需要监控机制:

<?php
/**
 * 系统监控与报警类
 * 监控分发系统性能,及时发现问题
 */
class ICD_Monitoring_System {
    
    private $performance_metrics;
    private $alert_thresholds;
    private $notification_emails;
    
    /**
     * 初始化监控系统
     */
    public function __construct() {
        $this->performance_metrics = array();
        $this->alert_thresholds = $this->load_alert_thresholds();
        $this->notification_emails = get_option('icd_alert_emails', get_option('admin_email'));
        
        // 定期检查性能
        add_action('icd_hourly_monitoring', array($this, 'perform_health_check'));
        
        if (!wp_next_scheduled('icd_hourly_monitoring')) {
            wp_schedule_event(time(), 'hourly', 'icd_hourly_monitoring');
        }
    }
    
    /**
     * 记录性能指标
     * @param string $metric_name 指标名称
     * @param float $value 指标值
     * @param array $tags 标签信息
     */
    public function record_metric($metric_name, $value, $tags = array()) {
        $timestamp = microtime(true);
        $metric_key = $metric_name . '_' . date('Y-m-d_H');
        
        if (!isset($this->performance_metrics[$metric_key])) {
            $this->performance_metrics[$metric_key] = array();
        }
        
        $this->performance_metrics[$metric_key][] = array(
            'timestamp' => $timestamp,
            'value' => $value,
            'tags' => $tags
        );
        
        // 检查是否触发警报
        $this->check_alert_thresholds($metric_name, $value, $tags);
        
        // 定期保存到数据库
        if (count($this->performance_metrics[$metric_key]) % 100 === 0) {
            $this->save_metrics_to_db();
        }
    }
    
    /**
     * 执行健康检查
     */
    public function perform_health_check() {
        $health_status = array(
            'database' => $this->check_database_health(),
            'cache' => $this->check_cache_health(),
            'api' => $this->check_api_health(),
            'performance' => $this->check_performance_health()
        );
        
        // 记录健康状态
        $this->record_metric('health_check', 
            $health_status['database']['score'] * 0.3 +
            $health_status['cache']['score'] * 0.3 +
            $health_status['api']['score'] * 0.2 +
            $health_status['performance']['score'] * 0.2
        );
        
        // 发送报告
        if ($this->should_send_report()) {
            $this->send_health_report($health_status);
        }
        
        // 清理旧数据
        $this->cleanup_old_metrics();
    }
    
    /**
     * 检查数据库健康状态
     */
    private function check_database_health() {
        global $wpdb;
        
        $results = array(
            'score' => 100,
            'issues' => array()
        );
        
        // 检查数据库连接
        $start_time = microtime(true);
        $wpdb->get_results("SELECT 1");
        $query_time = microtime(true) - $start_time;
        
        if ($query_time > 0.5) { // 超过0.5秒
            $results['score'] -= 20;
            $results['issues'][] = "数据库查询缓慢: {$query_time}秒";
        }
        
        // 检查表状态
        $tables = $wpdb->get_results("SHOW TABLE STATUS");
        foreach ($tables as $table) {
            if ($table->Data_length > 100 * 1024 * 1024) { // 超过100MB
                $results['score'] -= 5;
                $results['issues'][] = "表 {$table->Name} 过大: " . 
                    round($table->Data_length / (1024 * 1024), 2) . "MB";
            }
        }
        
        return $results;
    }
    
    /**
     * 发送警报邮件
     */
    private function send_alert($subject, $message, $level = 'warning') {
        $to = $this->notification_emails;
        $headers = array('Content-Type: text/html; charset=UTF-8');
        
        $email_content = "
        <html>
        <head>
            <style>
                .alert { padding: 20px; border-left: 5px solid; }
                .warning { background: #fff3cd; border-color: #ffc107; }
                .critical { background: #f8d7da; border-color: #dc3545; }
                .info { background: #d1ecf1; border-color: #17a2b8; }
            </style>
        </head>
        <body>
            <div class='alert {$level}'>
                <h2>{$subject}</h2>
                <p>时间: " . date('Y-m-d H:i:s') . "</p>
                <div>{$message}</div>
                <hr>
                <p>此邮件来自 WordPress 智能内容分发系统监控</p>
            </div>
        </body>
        </html>
        ";
        
        wp_mail($to, "[ICD Alert] {$subject}", $email_content, $headers);
    }
}
?>

八、部署与维护指南

8.1 系统部署步骤

  1. 环境要求检查

    • PHP 7.4+ 版本
    • MySQL 5.7+ 或 MariaDB 10.3+
    • WordPress 5.8+
    • 至少 256MB PHP 内存限制
  2. 安装配置流程
# 1. 创建插件目录
cd wp-content/plugins
mkdir intelligent-content-distribution

# 2. 复制所有类文件
cp *.php intelligent-content-distribution/

# 3. 创建主插件文件
cat > intelligent-content-distribution.php << 'EOF'
<?php
/**
 * Plugin Name: 智能内容分发系统
 * Description: WordPress柔性内容智能分发策略配置
 * Version: 1.0.0
 * Author: 网络传媒技术团队
 */

// 防止直接访问
if (!defined('ABSPATH')) {
    exit;
}

// 定义插件常量
define('ICD_VERSION', '1.0.0');
define('ICD_PLUGIN_DIR', plugin_dir_path(__FILE__));
define('ICD_PLUGIN_URL', plugin_dir_url(__FILE__));

// 自动加载类文件
spl_autoload_register(function ($class_name) {
    $class_map = array(
        'IntelligentContentDistribution' => 'class-intelligent-distribution.php',
        'UserProfileAnalyzer' => 'class-user-analyzer.php',
        'ContentMatchingAlgorithm' => 'class-matching-algorithm.php',
        'ICD_Admin_Configuration' => 'class-admin-config.php',
        'ICD_Cache_System' => 'class-cache-system.php',
        'AB_Testing_Manager' => 'class-ab-testing.php',
        'ICD_Monitoring_System' => 'class-monitoring.php'
    );
    
    if (isset($class_map[$class_name])) {
        require_once ICD_PLUGIN_DIR . 'includes/' . $class_map[$class_name];
    }
});

// 初始化插件
add_action('plugins_loaded', 'icd_initialize_plugin');

function icd_initialize_plugin() {
    // 检查依赖
    if (!class_exists('WP_Http')) {
        require_once ABSPATH . WPINC . '/class-http.php';
    }
    
    // 初始化核心组件
    $distribution_system = new IntelligentContentDistribution();
    $admin_config = new ICD_Admin_Configuration();
    $monitoring = new ICD_Monitoring_System();
    
    // 注册激活/停用钩子
    register_activation_hook(__FILE__, 'icd_activate_plugin');
    register_deactivation_hook(__FILE__, 'icd_deactivate_plugin');
}

function icd_activate_plugin() {
    // 创建数据库表
    icd_create_database_tables();
    
    // 设置默认选项
    icd_set_default_options();
    
    // 添加管理员通知
    set_transient('icd_activation_notice', true, 60);
}

function icd_create_database_tables() {
    global $wpdb;
    
    $charset_collate = $wpdb->get_charset_collate();
    
    $tables = array(
        "{$wpdb->prefix}icd_user_behavior" => "
            CREATE TABLE {$wpdb->prefix}icd_user_behavior (
                id bigint(20) NOT NULL AUTO_INCREMENT,
                user_id bigint(20) NOT NULL,
                post_id bigint(20) NOT NULL,
                action_type varchar(50) NOT NULL,
                action_value text,
                created_at datetime DEFAULT CURRENT_TIMESTAMP,
                PRIMARY KEY (id),
                KEY user_id (user_id),
                KEY post_id (post_id),
                KEY action_type (action_type)
            ) $charset_collate;
        ",
        
        "{$wpdb->prefix}icd_performance_metrics" => "
            CREATE TABLE {$wpdb->prefix}icd_performance_metrics (
                id bigint(20) NOT NULL AUTO_INCREMENT,
                metric_name varchar(100) NOT NULL,
                metric_value float NOT NULL,
                tags text,
                recorded_at datetime DEFAULT CURRENT_TIMESTAMP,
                PRIMARY KEY (id),
                KEY metric_name (metric_name),
                KEY recorded_at (recorded_at)
            ) $charset_collate;
        "
    );
    
    require_once ABSPATH . 'wp-admin/includes/upgrade.php';
    
    foreach ($tables as $table_name => $sql) {
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