angular ssr处理服务器不存在对象处理方式

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于 2023-08-02 08:57:54 发布

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文章标签：前端 javascript angular

本文链接：https://blog.youkuaiyun.com/m0_37729058/article/details/132054351

版权

document 
export class ExampleComponent { constructor(@Inject(DOCUMENT) document: any) { console.dir(document) } }

window 
const WINDOW = new InjectionToken<any>('window', { providedIn: 'root', factory: () => window }); 

or 

export class ExampleComponent { constructor(@Inject(WINDOW) window: any) { console.dir(window) } }

Location 

import { Location } from '@angular/common';

export class AbmNavbarComponent implements OnInit{

  // ctor 中注入 Location

  constructor(private _location:Location){

    //...

  }

  ngOnInit() {

    // 打印当前地址

    console.log(this._location.path(true));

  }

}