从其他组件访问激活路由数据

Question

我们有组件(ka-座舱面板)，它不是映射到任何路由，而是手动插入到其他组件中，如下所示：

..
...
<section class="ka-cockpit-panel cockpit-1 pull-left">
            <ka-cockpit-panel></ka-cockpit-panel>
</section>
...
..

在此组件中，我希望访问当前活动路由数据。

如果我们有一些其他组件(比如ka-integration-component )，并且它有一些与它相关的路由数据(如下面所示)，那么每当我们导航到这个组件(通过url或者通过单击某些路由链接)时，我们都希望在我们的ka-座舱组件中访问集成组件路由数据。

 ..
    ... 
    {       
        path: "",       
        component: IntegrationComponent,
        data : {
            cockpit1 : false,
            cockpit2 : true,
            kpi : true
        },  
    }
    ..
    ...

基本上，我们想要配置我们的卡-驾驶舱组件在我们的应用程序中的某些组件，这是映射到某些路线，以便我们可以隐藏/显示或改变它的外观。

​

​

驾驶舱组件代码:

import { Component, OnInit } from '@angular/core';
import { Router,Event,NavigationEnd,ActivatedRoute } from '@angular/router';

@Component({
    selector: 'ka-cockpit-panel',
    templateUrl: './cockpit-panel.component.html',
    styleUrls : ['./cockpit-panel.component.scss']
})
export class CockpitPanelComponent implements OnInit {

    constructor(private router:Router,private activatedRoute : ActivatedRoute) {
         this.router.events.subscribe( (event:Event) => {
            if(event instanceof NavigationEnd) {
                console.log("Cockpit Panel Component : Route successfully changed -  ",event,this.router,this.activatedRoute);

                  // THIS IS WHAT WE WANT - get  Integration component route data here whenever i navigate to integration component!!!

            }
        });
     }

    ngOnInit() { }
}

Answer 1

您必须将解析护卫用于您想要实现的东西。

// MyDataResolver服务

import { Injectable }             from '@angular/core';
import { Router, Resolve, RouterStateSnapshot,
         ActivatedRouteSnapshot } from '@angular/router';

@Injectable()
export class MyDataResolver implements Resolve<any> {
  constructor(private cs: CrisisService, private router: Router) {}
  resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Promise<any> {

    let pathFromRoot = route.pathFromRoot;

    // you can compare pathFromRoot with your route to return different data

    return Promise.resolve({
        cockpit1 : false,
        cockpit2 : true,
        kpi : true
    });

  }
}

//路由配置

.
.
{       
    path: "",       
    component: IntegrationComponent,
    resolve : {
        data: MyDataResolver
    },  
}
.
.

//构成部分

export class CockpitPanelComponent implements OnInit {
  someBinding : string = "testing Value";

  constructor(private router:Router,private activatedRoute : ActivatedRoute) {

    this.activatedRoute.data.subscribe( (res) => {

      // here you will get your data from resolve guard.
      console.log(res);

    });
  }

  ngOnInit() { }
}