#鸿蒙通关秘籍#如何通过定时动态更新半圆环进度条的值？

@Entry
@Component
struct Index {
  @State value: number = 0

  aboutToAppear(): void {
    let interval = setInterval(() => {
      this.value++
      if (this.value === 100) {
        clearInterval(interval)
      }
    }, 300)
  }

  build() {
    Column({ space: 20 }) {
      CircularProgressBar({ title: '当前里程（km）', currentValue: this.value })
    }.backgroundColor('#323341').width('100%').height('100%').justifyContent(FlexAlign.Center)
  }
}
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