详解Angular4中路由Router类的跳转navigate
ZEKELOVE 人气:0最近一直在学习angular4,它确实比以前有了很大的变化和改进,好多地方也不是那么容易就能理解,好在官方的文档和例子是中文,对英文不太好的还是有很大帮助去学习。
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:
import { NgModule } from '@angular/core'; import { RouterModule, Routes } from '@angular/router'; import { HomeComponent } from './home.component'; import { LoginComponent } from './login.component'; import { RegisterComponent } from './register.component'; const routes: Routes = [ { path: '', redirectTo: '/home', pathMatch: 'full' }, { path: 'home', component: HomeComponent }, { path: 'login', component: LoginComponent }, { path: 'heroes', component: RegisterComponent } ]; @NgModule({ imports: [ RouterModule.forRoot(routes) ], exports: [ RouterModule ] }) export class AppRoutingModule {}
其次路由跳转Router.navigate
navigate(commands: any[], extras?: NavigationExtras) : Promise<boolean>
interface NavigationExtras { relativeTo : ActivatedRoute queryParams : Params fragment : string preserveQueryParams : boolean queryParamsHandling : QueryParamsHandling preserveFragment : boolean skipLocationChange : boolean replaceUrl : boolean }
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 });
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