Component({
  methods: {
    // 更新阅读进度
    updateProgress(e: any) {
      const { currentPage } = e.detail;
      const { book } = this.data;
      
      // 更新进度
      wx.cloud.callFunction({
        name: 'updateReadingProgress',
        data: {
          bookId: book.id,
          currentPage,
          readingTime: this.data.currentReadingTime
        }
      });
    },

    // 开始计时
    startReading() {
      this.startTime = Date.now();
      // 开始计时逻辑
    }
  }
});