Javascript Angular2-登录后重定向
我想在登录后在另一条路径上导航我的用户 我在文档中发现,类似这样的东西应该可以正确地工作:Javascript Angular2-登录后重定向,javascript,angular,typescript,Javascript,Angular,Typescript,我想在登录后在另一条路径上导航我的用户 我在文档中发现,类似这样的东西应该可以正确地工作: this.router.navigate(['/users']); 我在Component中的完整方法如下所示: // imports on top import { Component } from '@angular/core'; import { LoginService } from './login.service'; import { Router } from '@angular/rout
this.router.navigate(['/users']);
我在Component中的完整方法如下所示:
// imports on top
import { Component } from '@angular/core';
import { LoginService } from './login.service';
import { Router } from '@angular/router';
// method somewhere below
login(event, username, password) {
event.preventDefault();
let body = JSON.stringify({ username, password });
this.loginService.login(body)
.then(res => localStorage.setItem('token', res.msg))
.catch(error => this.error = error);
this.router.navigate(['/users']);
}
const appRoutes: Routes = [
{ path: 'login', component: LoginComponent},
// users route protected by auth guard
{ path: 'users', component: UsersComponent, canActivate: [AuthGuard] },
// { path: 'user/:id', component: HeroDetailComponent },
{ path: '**', redirectTo: 'users' }
];
export class AuthGuard implements CanActivate {
constructor(private router: Router) { }
canActivate() {
if (localStorage.getItem('token')) {
// logged in so return true
return true;
}
// not logged in so redirect to login page
this.router.navigate(['/login']);
return false;
}
}
然而,它并没有改变我的方向。基本上路线保持不变,控制台中未发现错误
我做错了什么
编辑:
我的路线如下:
// imports on top
import { Component } from '@angular/core';
import { LoginService } from './login.service';
import { Router } from '@angular/router';
// method somewhere below
login(event, username, password) {
event.preventDefault();
let body = JSON.stringify({ username, password });
this.loginService.login(body)
.then(res => localStorage.setItem('token', res.msg))
.catch(error => this.error = error);
this.router.navigate(['/users']);
}
const appRoutes: Routes = [
{ path: 'login', component: LoginComponent},
// users route protected by auth guard
{ path: 'users', component: UsersComponent, canActivate: [AuthGuard] },
// { path: 'user/:id', component: HeroDetailComponent },
{ path: '**', redirectTo: 'users' }
];
export class AuthGuard implements CanActivate {
constructor(private router: Router) { }
canActivate() {
if (localStorage.getItem('token')) {
// logged in so return true
return true;
}
// not logged in so redirect to login page
this.router.navigate(['/login']);
return false;
}
}
我的AuthGuard看起来像:
// imports on top
import { Component } from '@angular/core';
import { LoginService } from './login.service';
import { Router } from '@angular/router';
// method somewhere below
login(event, username, password) {
event.preventDefault();
let body = JSON.stringify({ username, password });
this.loginService.login(body)
.then(res => localStorage.setItem('token', res.msg))
.catch(error => this.error = error);
this.router.navigate(['/users']);
}
const appRoutes: Routes = [
{ path: 'login', component: LoginComponent},
// users route protected by auth guard
{ path: 'users', component: UsersComponent, canActivate: [AuthGuard] },
// { path: 'user/:id', component: HeroDetailComponent },
{ path: '**', redirectTo: 'users' }
];
export class AuthGuard implements CanActivate {
constructor(private router: Router) { }
canActivate() {
if (localStorage.getItem('token')) {
// logged in so return true
return true;
}
// not logged in so redirect to login page
this.router.navigate(['/login']);
return false;
}
}
this.router.navigate(['/users']);
这应该在.then()函数中的localStorage.setItem()之后调用
如果仍然不起作用,请您在留言中输入该类代码。我的电脑上也有类似的问题。问题是对用户进行身份验证时有延迟,但是
router.navigate
会立即执行。由于您站点的用户部分受到保护,并且您的技术仍然未经验证,因此重定向失败
通过在上重定向,然后
等待用户登录,如果成功,则重定向用户
尝试使用以下方法:
this.loginService.login(body)
.then(
res => localStorage.setItem('token', res.msg)
this.router.navigate(['/users']);
)
.catch(error => this.error = error);
嘿@Alexis Le Gall,谢谢你的回答。我同意要使它正确,它应该在
的内部。但是,这不应影响路线是否改变。如果它在服务发出的响应之前或之后重定向,则应该进行更改。错误可能来自路由文件,很难说代码的这一部分编辑了我的问题并添加了请求的文件:)AuthGuard阻止激活路由,直到用户被连接为止。您从loginService.login获得了什么数据作为响应,如果为false,AuthGuard阻止用户访问该路由Hey@AnmolMittal它是JSON对象:)