如何在 Angular 模板中使用 enum

这个技巧将允许你在 Angular 模板中使用 enum:

enum_example.ts
public readonly MyMode : typeof MyMode = MyMode;

完整示例

代码:

enum_full_example.ts
export enum MyMode {
  None = 0,
  FirstMode = 1,
  SecondMode = 2,
}

/* ... */
export class MyModeSelector {
  mode = MyMode.None;

  // Hack to get enum into class
  public readonly MyMode : typeof MyMode = MyMode;
}

模板:

enum_template_usage.html
<button (click)="mode = MyMode.FirstMode" />

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