如何在栏中显示ion-progress-bar的值

<ion-progress-bar value="50"></ion-progress-bar>

export class YourComponent {
  progressValue: number = 0;

  updateProgress() {
    // 根据业务逻辑更新进度值
    this.progressValue = 50;
  }
}

<ion-progress-bar [value]="progressValue"></ion-progress-bar>

export class YourComponent implements OnChanges {
  @Input() progressValue: number = 0;

  ngOnChanges(changes: SimpleChanges) {
    if (changes.progressValue) {
      // 进度值变化时更新进度条的值
      this.progressValue = changes.progressValue.currentValue;
    }
  }
}

<ion-progress-bar [value]="progressValue"></ion-progress-bar>