11.26 修改K线图样式

utils/posthog.js

@@ -0,0 +1,150 @@
+import posthog from 'posthog-js'
+
+class PostHogTracker {
+  constructor(config) {
+    // US Cloud 或 EU Cloud 或自托管地址
+    this.apiHost = config.apiHost || 'https://us.i.posthog.com';
+    this.apiKey = config.apiKey; // 项目 API Key
+    this.distinctId = null;
+  }
+
+  // 初始化并获取用户唯一标识
+  init() {
+    // 优先使用 openid，如果没有则生成随机 ID
+    const storedId = uni.getStorageSync('posthog_distinct_id');
+    if (storedId) {
+      this.distinctId = storedId;
+    } else {
+      this.distinctId = this._generateUUID();
+      uni.setStorageSync('posthog_distinct_id', this.distinctId);
+    }
+    return this;
+  }
+
+  // 设置用户 ID（登录后调用）
+  identify(userId, userProperties = {}) {
+    this.distinctId = userId;
+    uni.setStorageSync('posthog_distinct_id', userId);
+    
+    // 发送 $identify 事件
+    this._capture('$identify', {
+      $set: userProperties
+    });
+  }
+
+  // 捕获事件
+  capture(eventName, properties = {}) {
+    this._capture(eventName, properties);
+  }
+
+  // 页面浏览事件
+  pageView(pagePath, pageTitle) {
+    this._capture('$pageview', {
+      $current_url: pagePath,
+      $title: pageTitle
+    });
+  }
+
+  // 内部发送方法
+  _capture(event, properties = {}) {
+    const payload = {
+      api_key: this.apiKey,
+      event: event,
+      distinct_id: this.distinctId,
+      timestamp: new Date().toISOString(),
+      properties: {
+        ...properties,
+        $lib: 'uniapp-miniprogram',
+        $lib_version: '1.0.0',
+        ...this._getDefaultProperties()
+      }
+    };
+
+    uni.request({
+      url: `${this.apiHost}/i/v0/e/`,
+      method: 'POST',
+      header: {
+        'Content-Type': 'application/json'
+      },
+      data: payload,
+      success: (res) => {
+        console.log('PostHog event captured:', event);
+      },
+      fail: (err) => {
+        console.error('PostHog capture failed:', err);
+        // 可以考虑将失败的事件存储到本地，稍后重试
+        this._saveFailedEvent(payload);
+      }
+    });
+  }
+
+  // 批量发送事件（性能优化）
+  captureBatch(events) {
+    const payload = events.map(e => ({
+      api_key: this.apiKey,
+      event: e.event,
+      distinct_id: this.distinctId,
+      timestamp: e.timestamp || new Date().toISOString(),
+      properties: {
+        ...e.properties,
+        ...this._getDefaultProperties()
+      }
+    }));
+
+    uni.request({
+      url: `${this.apiHost}/batch/`,
+      method: 'POST',
+      header: {
+        'Content-Type': 'application/json'
+      },
+      data: payload,
+      success: (res) => {
+        console.log('PostHog batch captured:', events.length, 'events');
+      }
+    });
+  }
+
+  // 获取默认属性
+  _getDefaultProperties() {
+    const systemInfo = uni.getSystemInfoSync();
+    return {
+      $os: systemInfo.platform,
+      $os_version: systemInfo.system,
+      $device: systemInfo.model,
+      $screen_height: systemInfo.screenHeight,
+      $screen_width: systemInfo.screenWidth,
+      mp_platform: 'uniapp'
+    };
+  }
+
+  // 生成 UUID
+  _generateUUID() {
+    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
+      const r = Math.random() * 16 | 0;
+      const v = c === 'x' ? r : (r & 0x3 | 0x8);
+      return v.toString(16);
+    });
+  }
+
+  // 保存失败事件（离线支持）
+  _saveFailedEvent(payload) {
+    const failedEvents = uni.getStorageSync('posthog_failed_events') || [];
+    failedEvents.push(payload);
+    uni.setStorageSync('posthog_failed_events', failedEvents);
+  }
+
+  // 重试发送失败的事件
+  retryFailedEvents() {
+    const failedEvents = uni.getStorageSync('posthog_failed_events') || [];
+    if (failedEvents.length > 0) {
+      this.captureBatch(failedEvents);
+      uni.removeStorageSync('posthog_failed_events');
+    }
+  }
+}
+
+// 导出单例
+export default new PostHogTracker({
+  apiHost: 'https://us.i.posthog.com', // 或 eu.i.posthog.com
+  apiKey: 'YOUR_PROJECT_API_KEY'  // 在 PostHog 项目设置中获取
+}).init();