路由器从其模板链接到同一组件不起作用

如何解决路由器从其模板链接到同一组件不起作用

在 AnswerspageComponent 组件中，这是我的

  ngOnInit() {
    this.my_id =true;
    this.user = JSON.parse(localStorage.getItem('currentUser'));
    this.selection = this.user.username;
    this.status = this.user.designation;
    this.hosp = this.user.hospitalname;
    this.last = this.user.lastname;
    
    this.route.params.subscribe(params=>{
      console.log('I am on init');
      this.id = params['id'];
      this.title=params['question'];
      console.log(this.id,this.title);
    })
    console.log('fine till here');
    this.get_details();

  }

这是app.routing.module.ts中组件的路由

{path: 'posts/:id/:question',component: AnswerspageComponent,canActivate: [AuthGuardService]},

在 Answerspage 模板中，我有一个类似这样的不同问题的路由器链接。

<a [routerLink]="['/posts/'+data2['question_id']+'/'+data2['question']]" ><p class="side-ques">{{ data2['question']}}</p></a>

这里 data2 包含一些不同问题的数据。
单击浏览器中的链接 url 正在发生变化。
但是在 ngOnInit 中只有这部分被执行。

    this.route.params.subscribe(params=>{
      console.log('I am on init');
      this.id = params['id'];
      this.title=params['question'];
      console.log(this.id,this.title);
    })

这是项目的版本。

$ng --version
Angular CLI: 8.3.26
Node: 10.23.0
OS: linux x64
Angular: 8.0.3
... common,compiler,compiler-cli,core,forms
... language-service,platform-browser,platform-browser-dynamic
... router

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.800.6
@angular-devkit/build-angular     0.800.6
@angular-devkit/build-optimizer   0.800.6
@angular-devkit/build-webpack     0.800.6
@angular-devkit/core              8.0.6
@angular-devkit/schematics        8.3.26
@angular/animations               8.2.14
@angular/cdk                      8.2.3
@angular/cli                      8.3.26
@angular/fire                     5.4.2
@angular/flex-layout              8.0.0-beta.27
@angular/http                     7.2.16
@angular/material                 8.2.3
@angular/pwa                      0.901.12
@angular/service-worker           9.1.9
@ngtools/webpack                  8.0.6
@schematics/angular               8.3.26
@schematics/update                0.803.26
rxjs                              6.5.5
typescript                        3.4.5
webpack                           4.30.0