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详细教程，集成网站访问统计与流量分析工具

应用软件 溯源库® · 2026年1月25日 3:14 · 6 阅读

详细教程：集成网站访问统计与流量分析工具，通过WordPress程序的代码二次开发实现常用互联网小工具功能 引言：为什么需要自定义统计与工具集成？ 在当今数字化时代，网站不仅仅是信息展示的平台，更是与用户互动、收集数据、优化体验的重要工具。对于WordPress…

文章目录

在当今数字化时代，网站不仅仅是信息展示的平台，更是与用户互动、收集数据、优化体验的重要工具。对于WordPress网站管理员而言，了解访客行为、分析流量来源、优化内容策略是持续成功的关键。虽然市面上有Google Analytics、百度统计等成熟解决方案，但通过WordPress代码二次开发实现自定义统计和小工具集成，能够带来以下独特优势：

  1. 数据自主性：完全掌控数据收集、存储和处理流程
  2. 深度定制：根据特定业务需求设计统计维度
  3. 性能优化：减少对外部服务的依赖，提升页面加载速度
  4. 隐私合规：更好地适应GDPR等数据保护法规
  5. 成本控制：长期来看可能降低第三方服务费用

本教程将详细指导您如何通过WordPress代码二次开发，实现网站访问统计与流量分析功能，并集成常用互联网小工具，打造一个功能全面、自主可控的网站生态系统。

在开始二次开发前，需要确保您的环境满足以下条件：

  1. WordPress安装：建议使用最新版本的WordPress（5.8+）
  2. 本地开发环境：推荐使用Local by Flywheel、XAMPP或MAMP
  3. 代码编辑器：VS Code、PHPStorm或Sublime Text
  4. 数据库管理工具：phpMyAdmin或Adminer
  5. 版本控制系统：Git（可选但推荐）

为了避免主题更新导致代码丢失，我们将通过创建独立插件的方式实现功能：

<?php
/**
 * Plugin Name: 自定义网站统计与小工具套件
 * Plugin URI: https://yourwebsite.com/
 * Description: 自定义网站访问统计、流量分析及常用小工具集成
 * Version: 1.0.0
 * Author: 您的名称
 * License: GPL v2 or later
 */

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

// 定义插件常量
define('CUSTOM_STATS_VERSION', '1.0.0');
define('CUSTOM_STATS_PLUGIN_DIR', plugin_dir_path(__FILE__));
define('CUSTOM_STATS_PLUGIN_URL', plugin_dir_url(__FILE__));

// 初始化插件
require_once CUSTOM_STATS_PLUGIN_DIR . 'includes/class-core.php';
require_once CUSTOM_STATS_PLUGIN_DIR . 'includes/class-database.php';
require_once CUSTOM_STATS_PLUGIN_DIR . 'includes/class-tracker.php';

// 启动插件
function custom_stats_init() {
    $core = new Custom_Stats_Core();
    $core->run();
}
add_action('plugins_loaded', 'custom_stats_init');

创建专门的数据表来存储访问统计信息：

// includes/class-database.php
class Custom_Stats_Database {
    
    public function create_tables() {
        global $wpdb;
        
        $charset_collate = $wpdb->get_charset_collate();
        $table_name = $wpdb->prefix . 'custom_visits';
        
        $sql = "CREATE TABLE IF NOT EXISTS $table_name (
            id bigint(20) NOT NULL AUTO_INCREMENT,
            session_id varchar(64) NOT NULL,
            user_id bigint(20) DEFAULT NULL,
            ip_address varchar(45) DEFAULT NULL,
            user_agent text,
            referrer text,
            landing_page varchar(512) NOT NULL,
            exit_page varchar(512) DEFAULT NULL,
            page_views int(11) DEFAULT 1,
            visit_duration int(11) DEFAULT 0,
            country_code varchar(2) DEFAULT NULL,
            city varchar(100) DEFAULT NULL,
            device_type varchar(20) DEFAULT NULL,
            browser varchar(50) DEFAULT NULL,
            os varchar(50) DEFAULT NULL,
            screen_resolution varchar(20) DEFAULT NULL,
            is_new_visit tinyint(1) DEFAULT 1,
            created_at datetime DEFAULT CURRENT_TIMESTAMP,
            updated_at datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
            PRIMARY KEY (id),
            KEY session_id (session_id),
            KEY user_id (user_id),
            KEY created_at (created_at),
            KEY country_code (country_code),
            KEY device_type (device_type)
        ) $charset_collate;";
        
        require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
        dbDelta($sql);
        
        // 创建页面访问详情表
        $page_views_table = $wpdb->prefix . 'custom_page_views';
        $sql2 = "CREATE TABLE IF NOT EXISTS $page_views_table (
            id bigint(20) NOT NULL AUTO_INCREMENT,
            visit_id bigint(20) NOT NULL,
            page_url varchar(512) NOT NULL,
            page_title varchar(255) DEFAULT NULL,
            time_on_page int(11) DEFAULT 0,
            scroll_depth int(3) DEFAULT 0,
            created_at datetime DEFAULT CURRENT_TIMESTAMP,
            PRIMARY KEY (id),
            KEY visit_id (visit_id),
            KEY page_url (page_url(191))
        ) $charset_collate;";
        
        dbDelta($sql2);
    }
    
    public function update_tables() {
        // 未来版本更新时修改表结构
    }
}

创建主追踪器类，负责收集和存储访问数据：

// includes/class-tracker.php
class Custom_Stats_Tracker {
    
    private $db;
    private $session_id;
    private $current_visit_id;
    
    public function __construct() {
        global $wpdb;
        $this->db = $wpdb;
        $this->init_session();
    }
    
    private function init_session() {
        if (!session_id()) {
            session_start();
        }
        
        if (!isset($_SESSION['custom_stats_session_id'])) {
            $_SESSION['custom_stats_session_id'] = $this->generate_session_id();
        }
        
        $this->session_id = $_SESSION['custom_stats_session_id'];
    }
    
    private function generate_session_id() {
        return md5(uniqid(mt_rand(), true) . $_SERVER['REMOTE_ADDR'] . $_SERVER['HTTP_USER_AGENT']);
    }
    
    public function track_visit() {
        // 检查是否为机器人或排除的IP
        if ($this->is_excluded()) {
            return;
        }
        
        $current_url = $this->get_current_url();
        $referrer = $this->get_referrer();
        
        // 检查是否为新访问
        $is_new_visit = $this->is_new_visit();
        
        if ($is_new_visit) {
            $this->current_visit_id = $this->record_new_visit($current_url, $referrer);
        } else {
            $this->update_existing_visit($current_url);
        }
        
        // 记录页面浏览详情
        $this->record_page_view($current_url);
        
        // 设置JavaScript变量用于前端追踪
        $this->set_frontend_data();
    }
    
    private function is_excluded() {
        $excluded_ips = get_option('custom_stats_excluded_ips', []);
        $current_ip = $this->get_client_ip();
        
        // 检查IP是否在排除列表中
        if (in_array($current_ip, $excluded_ips)) {
            return true;
        }
        
        // 检查是否为搜索引擎机器人
        $user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
        $bots = ['bot', 'crawl', 'spider', 'slurp', 'search', 'archiver'];
        
        foreach ($bots as $bot) {
            if (stripos($user_agent, $bot) !== false) {
                return true;
            }
        }
        
        return false;
    }
    
    private function get_client_ip() {
        $ip_keys = ['HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_FORWARDED', 
                   'HTTP_X_CLUSTER_CLIENT_IP', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 
                   'REMOTE_ADDR'];
        
        foreach ($ip_keys as $key) {
            if (array_key_exists($key, $_SERVER) === true) {
                foreach (explode(',', $_SERVER[$key]) as $ip) {
                    $ip = trim($ip);
                    if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) !== false) {
                        return $ip;
                    }
                }
            }
        }
        
        return $_SERVER['REMOTE_ADDR'] ?? '0.0.0.0';
    }
    
    private function get_current_url() {
        $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? "https" : "http";
        return $protocol . "://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
    }
    
    private function get_referrer() {
        return $_SERVER['HTTP_REFERER'] ?? '';
    }
    
    private function is_new_visit() {
        $table_name = $this->db->prefix . 'custom_visits';
        
        $query = $this->db->prepare(
            "SELECT id FROM $table_name 
            WHERE session_id = %s 
            AND DATE(created_at) = CURDATE() 
            ORDER BY created_at DESC 
            LIMIT 1",
            $this->session_id
        );
        
        $result = $this->db->get_var($query);
        
        return empty($result);
    }
    
    private function record_new_visit($url, $referrer) {
        $table_name = $this->db->prefix . 'custom_visits';
        
        // 获取地理位置信息（简化版，实际应使用IP数据库）
        $geo_info = $this->get_geo_info();
        
        // 解析用户代理
        $device_info = $this->parse_user_agent();
        
        $data = [
            'session_id' => $this->session_id,
            'user_id' => get_current_user_id() ?: null,
            'ip_address' => $this->get_client_ip(),
            'user_agent' => $_SERVER['HTTP_USER_AGENT'] ?? '',
            'referrer' => $referrer,
            'landing_page' => $url,
            'country_code' => $geo_info['country_code'],
            'city' => $geo_info['city'],
            'device_type' => $device_info['device_type'],
            'browser' => $device_info['browser'],
            'os' => $device_info['os'],
            'screen_resolution' => $this->get_screen_resolution(),
            'is_new_visit' => 1,
            'created_at' => current_time('mysql')
        ];
        
        $this->db->insert($table_name, $data);
        
        return $this->db->insert_id;
    }
    
    private function get_geo_info() {
        // 简化版，实际应集成MaxMind GeoIP或类似服务
        $ip = $this->get_client_ip();
        
        // 本地IP返回空信息
        if ($ip === '127.0.0.1' || strpos($ip, '192.168.') === 0) {
            return ['country_code' => null, 'city' => null];
        }
        
        // 这里可以调用第三方API或本地数据库
        // 示例：使用ipapi.co（免费版有限制）
        
        return ['country_code' => null, 'city' => null];
    }
    
    private function parse_user_agent() {
        $user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
        
        // 设备类型检测
        $device_type = 'desktop';
        if (preg_match('/(android|webos|iphone|ipad|ipod|blackberry|windows phone)/i', $user_agent)) {
            $device_type = 'mobile';
        } elseif (preg_match('/(tablet|ipad|playbook|silk)/i', $user_agent)) {
            $device_type = 'tablet';
        }
        
        // 浏览器检测
        $browser = 'Unknown';
        if (preg_match('/MSIE|Trident/i', $user_agent)) {
            $browser = 'Internet Explorer';
        } elseif (preg_match('/Firefox/i', $user_agent)) {
            $browser = 'Firefox';
        } elseif (preg_match('/Chrome/i', $user_agent)) {
            $browser = 'Chrome';
        } elseif (preg_match('/Safari/i', $user_agent)) {
            $browser = 'Safari';
        } elseif (preg_match('/Edge/i', $user_agent)) {
            $browser = 'Edge';
        } elseif (preg_match('/Opera|OPR/i', $user_agent)) {
            $browser = 'Opera';
        }
        
        // 操作系统检测
        $os = 'Unknown';
        if (preg_match('/Windows NT 10.0/i', $user_agent)) {
            $os = 'Windows 10';
        } elseif (preg_match('/Windows NT 6.3/i', $user_agent)) {
            $os = 'Windows 8.1';
        } elseif (preg_match('/Windows NT 6.2/i', $user_agent)) {
            $os = 'Windows 8';
        } elseif (preg_match('/Windows NT 6.1/i', $user_agent)) {
            $os = 'Windows 7';
        } elseif (preg_match('/Macintosh|Mac OS X/i', $user_agent)) {
            $os = 'macOS';
        } elseif (preg_match('/Linux/i', $user_agent)) {
            $os = 'Linux';
        } elseif (preg_match('/Android/i', $user_agent)) {
            $os = 'Android';
        } elseif (preg_match('/iPhone|iPad|iPod/i', $user_agent)) {
            $os = 'iOS';
        }
        
        return [
            'device_type' => $device_type,
            'browser' => $browser,
            'os' => $os
        ];
    }
    
    private function get_screen_resolution() {
        // 通过JavaScript获取，这里先返回空值
        return '';
    }
    
    private function set_frontend_data() {
        add_action('wp_footer', function() {
            ?>
            <script>
                window.customStats = {
                    sessionId: '<?php echo esc_js($this->session_id); ?>',
                    visitId: <?php echo esc_js($this->current_visit_id); ?>,
                    nonce: '<?php echo wp_create_nonce('custom_stats_nonce'); ?>',
                    ajaxUrl: '<?php echo admin_url('admin-ajax.php'); ?>'
                };
            </script>
            <?php
        });
    }
}

创建前端JavaScript文件，用于收集客户端数据：

// assets/js/frontend-tracker.js
(function() {
    'use strict';
    
    class FrontendTracker {
        constructor() {
            this.config = window.customStats || {};
            this.pageStartTime = Date.now();
            this.maxScrollDepth = 0;
            this.init();
        }
        
        init() {
            this.trackPageView();
            this.trackScrollDepth();
            this.trackTimeOnPage();
            this.trackClicks();
            this.trackFormSubmissions();
            this.setupBeforeUnload();
        }
        
        trackPageView() {
            const data = {
                action: 'custom_stats_track_pageview',
                nonce: this.config.nonce,
                visit_id: this.config.visitId,
                page_url: window.location.href,
                page_title: document.title,
                screen_resolution: this.getScreenResolution(),
                viewport_size: this.getViewportSize()
            };
            
            this.sendRequest(data);
        }
        
        trackScrollDepth() {
            let scrollCheckTimer;
            
            const checkScrollDepth = () => {
                const scrollTop = window.pageYOffset || document.documentElement.scrollTop;
                const scrollHeight = document.documentElement.scrollHeight - document.documentElement.clientHeight;
                const scrollPercentage = scrollHeight > 0 ? Math.round((scrollTop / scrollHeight) * 100) : 0;
                
                if (scrollPercentage > this.maxScrollDepth) {
                    this.maxScrollDepth = scrollPercentage;
                    
                    // 记录25%、50%、75%、100%的关键点
                    if ([25, 50, 75, 100].includes(scrollPercentage)) {
                        const data = {
                            action: 'custom_stats_track_scroll',
                            nonce: this.config.nonce,
                            visit_id: this.config.visitId,
                            scroll_depth: scrollPercentage,
                            page_url: window.location.href
                        };
                        
                        this.sendRequest(data);
                    }
                }
            };
            
            window.addEventListener('scroll', () => {
                clearTimeout(scrollCheckTimer);
                scrollCheckTimer = setTimeout(checkScrollDepth, 100);
            });
        }
        
        trackTimeOnPage() {
            // 定期发送时间更新
            setInterval(() => {
                const timeOnPage = Math.round((Date.now() - this.pageStartTime) / 1000);
                
                const data = {
                    action: 'custom_stats_update_time',
                    nonce: this.config.nonce,
                    visit_id: this.config.visitId,
                    time_on_page: timeOnPage
                };
                
                this.sendRequest(data);
            }, 30000); // 每30秒发送一次
        }
        
        trackClicks() {
            document.addEventListener('click', (e) => {
                const target = e.target;
                const link = target.closest('a');
                
                if (link && link.href) {
                    const data = {
                        action: 'custom_stats_track_click',
                        nonce: this.config.nonce,
                        visit_id: this.config.visitId,
                        link_url: link.href,
                        link_text: link.textContent.substring(0, 100),
                        page_url: window.location.href
                    };

继续前端JavaScript代码：

                    // 如果是外部链接，立即发送数据
                    if (this.isExternalLink(link.href)) {
                        this.sendRequest(data, true); // 同步发送
                    } else {
                        this.sendRequest(data);
                    }
                }
            });
        }
        
        trackFormSubmissions() {
            document.addEventListener('submit', (e) => {
                const form = e.target;
                const formId = form.id || form.name || 'unknown';
                
                const data = {
                    action: 'custom_stats_track_form',
                    nonce: this.config.nonce,
                    visit_id: this.config.visitId,
                    form_id: formId,
                    form_action: form.action,
                    page_url: window.location.href
                };
                
                this.sendRequest(data);
            });
        }
        
        setupBeforeUnload() {
            window.addEventListener('beforeunload', () => {
                const timeOnPage = Math.round((Date.now() - this.pageStartTime) / 1000);
                
                const data = {
                    action: 'custom_stats_track_exit',
                    nonce: this.config.nonce,
                    visit_id: this.config.visitId,
                    time_on_page: timeOnPage,
                    scroll_depth: this.maxScrollDepth,
                    exit_page: window.location.href
                };
                
                // 使用navigator.sendBeacon进行可靠的离开页面数据发送
                this.sendBeacon(data);
            });
        }
        
        sendRequest(data, sync = false) {
            const formData = new FormData();
            
            for (const key in data) {
                formData.append(key, data[key]);
            }
            
            if (sync) {
                // 同步请求（用于离开页面时）
                const xhr = new XMLHttpRequest();
                xhr.open('POST', this.config.ajaxUrl, false);
                xhr.send(formData);
            } else {
                // 异步请求
                fetch(this.config.ajaxUrl, {
                    method: 'POST',
                    body: formData,
                    keepalive: true // 允许在页面卸载后继续发送
                }).catch(error => {
                    console.error('Tracking error:', error);
                });
            }
        }
        
        sendBeacon(data) {
            const blob = new Blob([JSON.stringify(data)], {type: 'application/json'});
            navigator.sendBeacon(this.config.ajaxUrl + '?action=custom_stats_track_exit', blob);
        }
        
        getScreenResolution() {
            return window.screen.width + 'x' + window.screen.height;
        }
        
        getViewportSize() {
            return window.innerWidth + 'x' + window.innerHeight;
        }
        
        isExternalLink(url) {
            const currentHost = window.location.hostname;
            const linkHost = (new URL(url, window.location.href)).hostname;
            return linkHost !== currentHost && linkHost !== '';
        }
    }
    
    // 初始化追踪器
    document.addEventListener('DOMContentLoaded', () => {
        if (window.customStats) {
            new FrontendTracker();
        }
    });
})();

创建AJAX请求处理类：

// includes/class-ajax-handler.php
class Custom_Stats_Ajax_Handler {
    
    private $db;
    
    public function __construct() {
        global $wpdb;
        $this->db = $wpdb;
        
        $this->register_ajax_actions();
    }
    
    private function register_ajax_actions() {
        // 页面浏览追踪
        add_action('wp_ajax_custom_stats_track_pageview', [$this, 'handle_pageview']);
        add_action('wp_ajax_nopriv_custom_stats_track_pageview', [$this, 'handle_pageview']);
        
        // 滚动深度追踪
        add_action('wp_ajax_custom_stats_track_scroll', [$this, 'handle_scroll']);
        add_action('wp_ajax_nopriv_custom_stats_track_scroll', [$this, 'handle_scroll']);
        
        // 点击追踪
        add_action('wp_ajax_custom_stats_track_click', [$this, 'handle_click']);
        add_action('wp_ajax_nopriv_custom_stats_track_click', [$this, 'handle_click']);
        
        // 表单提交追踪
        add_action('wp_ajax_custom_stats_track_form', [$this, 'handle_form']);
        add_action('wp_ajax_nopriv_custom_stats_track_form', [$this, 'handle_form']);
        
        // 退出页面追踪
        add_action('wp_ajax_custom_stats_track_exit', [$this, 'handle_exit']);
        add_action('wp_ajax_nopriv_custom_stats_track_exit', [$this, 'handle_exit']);
        
        // 时间更新
        add_action('wp_ajax_custom_stats_update_time', [$this, 'update_time']);
        add_action('wp_ajax_nopriv_custom_stats_update_time', [$this, 'update_time']);
    }
    
    public function handle_pageview() {
        $this->verify_nonce();
        
        $visit_id = intval($_POST['visit_id']);
        $page_url = sanitize_text_field($_POST['page_url']);
        $page_title = sanitize_text_field($_POST['page_title']);
        $screen_resolution = sanitize_text_field($_POST['screen_resolution']);
        
        $table_name = $this->db->prefix . 'custom_page_views';
        
        $data = [
            'visit_id' => $visit_id,
            'page_url' => $page_url,
            'page_title' => $page_title,
            'created_at' => current_time('mysql')
        ];
        
        // 更新访问记录中的屏幕分辨率
        if (!empty($screen_resolution)) {
            $visits_table = $this->db->prefix . 'custom_visits';
            $this->db->update(
                $visits_table,
                ['screen_resolution' => $screen_resolution],
                ['id' => $visit_id]
            );
        }
        
        $this->db->insert($table_name, $data);
        
        wp_die('1');
    }
    
    public function handle_scroll() {
        $this->verify_nonce();
        
        $visit_id = intval($_POST['visit_id']);
        $scroll_depth = intval($_POST['scroll_depth']);
        $page_url = sanitize_text_field($_POST['page_url']);
        
        $table_name = $this->db->prefix . 'custom_page_views';
        
        // 找到当前页面的最新记录并更新滚动深度
        $this->db->query(
            $this->db->prepare(
                "UPDATE $table_name 
                SET scroll_depth = %d 
                WHERE visit_id = %d 
                AND page_url = %s 
                ORDER BY created_at DESC 
                LIMIT 1",
                $scroll_depth,
                $visit_id,
                $page_url
            )
        );
        
        wp_die('1');
    }
    
    public function handle_click() {
        $this->verify_nonce();
        
        $visit_id = intval($_POST['visit_id']);
        $link_url = esc_url_raw($_POST['link_url']);
        $link_text = sanitize_text_field($_POST['link_text']);
        $page_url = sanitize_text_field($_POST['page_url']);
        
        $table_name = $this->db->prefix . 'custom_clicks';
        
        // 创建点击记录表（如果不存在）
        $this->create_clicks_table();
        
        $data = [
            'visit_id' => $visit_id,
            'link_url' => $link_url,
            'link_text' => $link_text,
            'page_url' => $page_url,
            'created_at' => current_time('mysql')
        ];
        
        $this->db->insert($table_name, $data);
        
        wp_die('1');
    }
    
    private function create_clicks_table() {
        $table_name = $this->db->prefix . 'custom_clicks';
        
        if ($this->db->get_var("SHOW TABLES LIKE '$table_name'") != $table_name) {
            $charset_collate = $this->db->get_charset_collate();
            
            $sql = "CREATE TABLE $table_name (
                id bigint(20) NOT NULL AUTO_INCREMENT,
                visit_id bigint(20) NOT NULL,
                link_url varchar(512) NOT NULL,
                link_text varchar(255) DEFAULT NULL,
                page_url varchar(512) NOT NULL,
                created_at datetime DEFAULT CURRENT_TIMESTAMP,
                PRIMARY KEY (id),
                KEY visit_id (visit_id),
                KEY link_url (link_url(191))
            ) $charset_collate;";
            
            require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
            dbDelta($sql);
        }
    }
    
    public function handle_form() {
        $this->verify_nonce();
        
        $visit_id = intval($_POST['visit_id']);
        $form_id = sanitize_text_field($_POST['form_id']);
        $form_action = esc_url_raw($_POST['form_action']);
        $page_url = sanitize_text_field($_POST['page_url']);
        
        $table_name = $this->db->prefix . 'custom_form_submissions';
        
        // 创建表单提交表（如果不存在）
        $this->create_forms_table();
        
        $data = [
            'visit_id' => $visit_id,
            'form_id' => $form_id,
            'form_action' => $form_action,
            'page_url' => $page_url,
            'created_at' => current_time('mysql')
        ];
        
        $this->db->insert($table_name, $data);
        
        wp_die('1');
    }
    
    private function create_forms_table() {
        $table_name = $this->db->prefix . 'custom_form_submissions';
        
        if ($this->db->get_var("SHOW TABLES LIKE '$table_name'") != $table_name) {
            $charset_collate = $this->db->get_charset_collate();
            
            $sql = "CREATE TABLE $table_name (
                id bigint(20) NOT NULL AUTO_INCREMENT,
                visit_id bigint(20) NOT NULL,
                form_id varchar(100) NOT NULL,
                form_action varchar(512) NOT NULL,
                page_url varchar(512) NOT NULL,
                created_at datetime DEFAULT CURRENT_TIMESTAMP,
                PRIMARY KEY (id),
                KEY visit_id (visit_id),
                KEY form_id (form_id)
            ) $charset_collate;";
            
            require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
            dbDelta($sql);
        }
    }
    
    public function handle_exit() {
        // 对于sendBeacon请求，数据在php://input中
        if ($_SERVER['REQUEST_METHOD'] === 'POST' && empty($_POST)) {
            $input = file_get_contents('php://input');
            $data = json_decode($input, true);
            
            if ($data) {
                $_POST = $data;
            }
        }
        
        $visit_id = intval($_POST['visit_id']);
        $time_on_page = intval($_POST['time_on_page']);
        $scroll_depth = intval($_POST['scroll_depth']);
        $exit_page = sanitize_text_field($_POST['exit_page']);
        
        $table_name = $this->db->prefix . 'custom_visits';
        
        $this->db->update(
            $table_name,
            [
                'exit_page' => $exit_page,
                'visit_duration' => $time_on_page,
                'updated_at' => current_time('mysql')
            ],
            ['id' => $visit_id]
        );
        
        // 更新最后页面的滚动深度
        $page_views_table = $this->db->prefix . 'custom_page_views';
        $this->db->query(
            $this->db->prepare(
                "UPDATE $page_views_table 
                SET scroll_depth = %d 
                WHERE visit_id = %d 
                ORDER BY created_at DESC 
                LIMIT 1",
                $scroll_depth,
                $visit_id
            )
        );
        
        wp_die('1');
    }
    
    public function update_time() {
        $this->verify_nonce();
        
        $visit_id = intval($_POST['visit_id']);
        $time_on_page = intval($_POST['time_on_page']);
        
        $table_name = $this->db->prefix . 'custom_visits';
        
        $this->db->update(
            $table_name,
            [
                'visit_duration' => $time_on_page,
                'updated_at' => current_time('mysql')
            ],
            ['id' => $visit_id]
        );
        
        wp_die('1');
    }
    
    private function verify_nonce() {
        if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'custom_stats_nonce')) {
            wp_die('Security check failed', 403);
        }
    }
}

创建数据统计和报表生成类：

// includes/class-statistics.php
class Custom_Stats_Statistics {
    
    private $db;
    
    public function __construct() {
        global $wpdb;
        $this->db = $wpdb;
    }
    
    public function get_daily_stats($date = null) {
        if (!$date) {
            $date = current_time('Y-m-d');
        }
        
        $visits_table = $this->db->prefix . 'custom_visits';
        $page_views_table = $this->db->prefix . 'custom_page_views';
        
        $stats = [
            'date' => $date,
            'visits' => 0,
            'unique_visitors' => 0,
            'pageviews' => 0,
            'avg_duration' => 0,
            'bounce_rate' => 0
        ];
        
        // 获取总访问数
        $stats['visits'] = $this->db->get_var(
            $this->db->prepare(
                "SELECT COUNT(*) FROM $visits_table WHERE DATE(created_at) = %s",
                $date
            )
        );
        
        // 获取独立访客数
        $stats['unique_visitors'] = $this->db->get_var(
            $this->db->prepare(
                "SELECT COUNT(DISTINCT session_id) FROM $visits_table WHERE DATE(created_at) = %s",
                $date
            )
        );
        
        // 获取总页面浏览量
        $stats['pageviews'] = $this->db->get_var(
            $this->db->prepare(
                "SELECT COUNT(*) FROM $page_views_table pv
                INNER JOIN $visits_table v ON pv.visit_id = v.id
                WHERE DATE(v.created_at) = %s",
                $date
            )
        );
        
        // 获取平均访问时长
        $avg_duration = $this->db->get_var(
            $this->db->prepare(
                "SELECT AVG(visit_duration) FROM $visits_table 
                WHERE DATE(created_at) = %s AND visit_duration > 0",
                $date
            )
        );
        
        $stats['avg_duration'] = $avg_duration ? round($avg_duration) : 0;
        
        // 计算跳出率（只浏览一个页面且停留时间短于30秒）
        $bounce_count = $this->db->get_var(
            $this->db->prepare(
                "SELECT COUNT(*) FROM (
                    SELECT v.id, COUNT(pv.id) as page_count, v.visit_duration
                    FROM $visits_table v
                    LEFT JOIN $page_views_table pv ON v.id = pv.visit_id
                    WHERE DATE(v.created_at) = %s
                    GROUP BY v.id
                    HAVING page_count = 1 AND visit_duration < 30
                ) as bounces",
                $date
            )
        );
        
        if ($stats['visits'] > 0) {
            $stats['bounce_rate'] = round(($bounce_count / $stats['visits']) * 100, 2);
        }
        
        return $stats;
    }
    
    public function get_top_pages($limit = 10, $period = 'today') {
        $page_views_table = $this->db->prefix . 'custom_page_views';
        $visits_table = $this->db->prefix . 'custom_visits';
        
        $where_clause = $this->get_period_where_clause($period, 'v.created_at');
        
        $query = $this->db->prepare(
            "SELECT pv.page_url, pv.page_title, 
                   COUNT(pv.id) as views,
                   COUNT(DISTINCT v.session_id) as unique_visitors,
                   AVG(pv.scroll_depth) as avg_scroll_depth,
                   AVG(v.visit_duration) as avg_time_on_page
            FROM $page_views_table pv
            INNER JOIN $visits_table v ON pv.visit_id = v.id
            WHERE 1=1 $where_clause
            GROUP BY pv.page_url
            ORDER BY views DESC
            LIMIT %d",
            $limit
        );
        
        return $this->db->get_results($query);
    }
    
    public function get_traffic_sources($period = 'today') {
        $visits_table = $this->db->prefix . 'custom_visits';
        
        $where_clause = $this->get_period_where_clause($period);
        
        $query = "SELECT 
            CASE 
                WHEN referrer = '' THEN '直接访问'
                WHEN referrer LIKE '%' || %s || '%' THEN '内部链接'
                WHEN referrer LIKE '%google.%' THEN 'Google'
                WHEN referrer LIKE '%bing.%' THEN 'Bing'
                WHEN referrer LIKE '%baidu.%' THEN '百度'
                WHEN referrer LIKE '%yahoo.%' THEN 'Yahoo'
                WHEN referrer LIKE '%facebook.%' THEN 'Facebook'
                WHEN referrer LIKE '%twitter.%' THEN 'Twitter'
                WHEN referrer LIKE '%linkedin.%' THEN 'LinkedIn'
                ELSE '其他推荐'
            END as source,
            COUNT(*) as visits,
            COUNT(DISTINCT session_id) as unique_visitors,
            AVG(visit_duration) as avg_duration
        FROM $visits_table

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