解决这个问题的方法是引入Injector并手动解决循环依赖。这里是一个示例代码:
import { Injectable, Injector } from '@angular/core'; import { ApplicationRef } from '@angular/core';
@Injectable({ providedIn: 'root' }) export class MyService { constructor(private injector: Injector) {}
doSomething() { // Get reference to ApplicationRef const appRef = this.injector.get(ApplicationRef);
// Use appRef as needed
// ...
} }
在这个示例中,MyService依赖于ApplicationRef,但是ApplicationRef也依赖于MyService,从而导致循环依赖问题。通过注入Injector并在需要的时候手动获取ApplicationRef,我们可以解决循环依赖问题。