125.HarmonyOS NEXT 数字滚动动画详解(五)：最佳实践与应用场景

@Entry
@Component
struct DigitalScrollDemo {
  @State isRefresh: boolean = false;

  build() {
    Column() {
      DigitalScrollDetail({
        isRefresh: this.isRefresh
      })
      
      Button('刷新数据')
        .onClick(() => {
          this.isRefresh = true;
        })
    }
  }
}

// 自定义配置
const CustomConfig = {
  NUMBER_LEN: 8,        // 8位数字
  DURATION_TIME: 150,   // 更慢的动画
  ITEM_HEIGHT: 40       // 更大的数字
}

@Component
struct Counter {
  @State count: number = 0;
  
  build() {
    Column() {
      DigitalScrollDetail({
        isRefresh: true,
        currentData: [this.count]
      })
      
      Button('+1')
        .onClick(() => {
          this.count++;
        })
    }
  }
}

@Component
struct PriceDisplay {
  @State price: number = 0;
  
  build() {
    Row() {
      Text('￥')
      DigitalScrollDetail({
        isRefresh: this.price > 0,
        currentData: this.formatPrice(this.price)
      })
    }
  }
  
  private formatPrice(price: number): number[] {
    return price.toFixed(2).split('').map(Number);
  }
}

@Component
struct CustomDigitalScroll {
  build() {
    DigitalScrollDetail({
      isRefresh: true
    })
    .width('100%')
    .height(50)
    .backgroundColor('#F5F5F5')
    .borderRadius(8)
  }
}

// 自定义动画配置
private customAnimation = {
  duration: 200,
  curve: Curve.EaseInOut,
  delay: 100
}

private validateData(data: number[]): boolean {
  if (!Array.isArray(data)) {
    return false;
  }
  if (data.length !== DATA_CONFIG.NUMBER_LEN) {
    return false;
  }
  return data.every(item => typeof item === 'number');
}

try {
  this.refreshData();
} catch (error) {
  console.error('Refresh error:', error);
  // 显示错误提示
  this.showError('数据刷新失败');
}

// 测试数据更新
test('should update numbers correctly', () => {
  // 测试代码
});

// 测试动画效果
test('should animate smoothly', () => {
  // 测试代码
});

// 测试大量数据更新
test('should handle rapid updates', () => {
  // 测试代码
});

private logState() {
  console.info('Current state:', {
    currentData: this.currentData,
    scrollYList: this.scrollYList,
    isRefresh: this.isRefresh
  });
}

private measurePerformance() {
  const start = performance.now();
  // 执行操作
  const end = performance.now();
  console.info('Operation took:', end - start, 'ms');
}