Angular4中路由Router类的实例详解
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在学习的过程中路由(router)机制是离不开的,并且好多地方都要用到。
首先路由配置Route:
1 import { NgModule } from '@angular/core'; 2 import { RouterModule, Routes } from '@angular/router'; 3 4 import { HomeComponent } from './home.component'; 5 import { LoginComponent } from './login.component'; 6 import { RegisterComponent } from './register.component'; 7 8 const routes: Routes = [ 9 { path: '', redirectTo: '/home', pathMatch: 'full' },10 { path: 'home', component: HomeComponent },11 { path: 'login', component: LoginComponent },12 { path: 'heroes', component: RegisterComponent }13 ];14 15 @NgModule({16 imports: [ RouterModule.forRoot(routes) ],17 exports: [ RouterModule ]18 })19 export class AppRoutingModule {}
其次路由跳转Router.navigate
1 navigate(commands: any[], extras?: NavigationExtras) : Promise<boolean>
1 interface NavigationExtras { 2 relativeTo : ActivatedRoute 3 queryParams : Params 4 fragment : string 5 preserveQueryParams : boolean 6 queryParamsHandling : QueryParamsHandling 7 preserveFragment : boolean 8 skipLocationChange : boolean 9 replaceUrl : boolean10 }
1.以根路由跳转/login
this.router.navigate(['login']);
2.设置relativeTo相对当前路由跳转,route是ActivatedRoute的实例,使用需要导入ActivatedRoute
this.router.navigate(['login', 1],{relativeTo: route});
3.路由中传参数 /login?name=1
this.router.navigate(['login', 1],{ queryParams: { name: 1 } });
4.preserveQueryParams默认值为false,设为true,保留之前路由中的查询参数/login?name=1 to /home?name=1
this.router.navigate(['home'], { preserveQueryParams: true });
5.路由中锚点跳转 /home#top
this.router.navigate(['home'],{ fragment: 'top' });
6.preserveFragment默认为false,设为true,保留之前路由中的锚点/home#top to /role#top
this.router.navigate(['/role'], { preserveFragment: true });
7.skipLocationChange默认为false,设为true,路由跳转时浏览器中的url会保持不变,但是传入的参数依然有效
this.router.navigate(['/home'], { skipLocationChange: true });
8.replaceUrl默认为true,设为false,路由不会进行跳转
this.router.navigate(['/home'], { replaceUrl: true });
还有好多好多东西需要学习,关于跳转就先写到这里了,希望大家共同学习分享踏过的坑。
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