<router-outlet name='apps'></router-outlet>
<router-outlet name='popup'></router-outlet>

const rootRoute: Routes = [
{
  path: 'lists',
  component: Lists,
  outlet: 'apps',
  children: [ ... ]
},
{
  path: 'toast',
  component: Toast,
  outlet: 'popup',
},
...
];

<div class="box">
  <div class="toast-box">
    <p class="toast-title">提示</p>
    <div class="toast-content">
      <ng-container *ngIf="toastParams.img">
        <img src="/UploadFiles/2021-04-02/{{toastParams.img}}">

ts
在ngOninit函数中获取显示的参数即可


this.toastParams = this.popupSVC.getToastParams();




创建用来跳转至popup路由的服务，例如popup.service


import { Injectable } from '@angular/core';
import { Router } from '@angular/router';
@Injectable()
export class PopupService {
  private toastParams;
  private loadingParams;
  constructor(
    private router: Router
  ) { }
  toast(_params) {
    this.toastParams = _params;
    let _duration;
    if (_params.duration) {
      _duration = _params.duration;
    } else {
      _duration = 500;
    }
    const _outlets = { 'popup': 'toast' };
    this.router.navigate([{ outlets: _outlets }]);
    setTimeout(() => {
      const _outlets2 = { 'popup': null };
      this.router.navigate([{ outlets: _outlets2 }]);
    }, _duration);
  }
  getToastParams() {
    return this.toastParams;
  }
}




使用： 
一、在app.module.ts中将服务导进来，注册


import { PopupService } from './svc/popup.service';
@NgModule({
  imports: [
    ...
  ],
  declarations: [
  ...
  ],
  providers: [
    PopupService,
  ...
  ],
  bootstrap: [AppComponent]
})




二、在使用的test.ts中导入


import { PangooService } from './svc/pangoo.service';
constructor(
  private popupSVC: PopupService,
) { }




三、在html中定义一个函数


<div (click)="test()"></div>




四、调用


test(){
  this.popupSVC.toast({
    img: '弹出图片地址！',
    title: '弹出消息内容！',
    duration: 2000, //toast多久后消失，默认为500ms
  });
}




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