浏览器后退按钮重定向到angular 8中的主页

import { Injectable } from '@angular/core';
import { CanActivate, Router } from '@angular/router';

@Injectable({
  providedIn: 'root'
})
export class AuthGuard implements CanActivate {
  constructor(private router: Router) {}

  canActivate(): boolean {
    const isLoggedIn = /* 逻辑来检查用户是否登录 */;
    if (!isLoggedIn) {
      this.router.navigate(['/home']); // 重定向到主页
      return false;
    }
    return true;
  }
}

import { NgModule } from '@angular/core';
import { RouterModule, Routes } from '@angular/router';
import { HomeComponent } from './home/home.component';
import { SomeComponent } from './some/some.component';
import { AuthGuard } from './auth.guard';

const routes: Routes = [
  { path: 'home', component: HomeComponent },
  { path: 'some', component: SomeComponent, canActivate: [AuthGuard] },
  { path: '**', redirectTo: '/home' }
];

@NgModule({
  imports: [RouterModule.forRoot(routes)],
  exports: [RouterModule]
})
export class AppRoutingModule {}

import { Component, OnInit } from '@angular/core';
import { Location } from '@angular/common';

@Component({
  selector: 'app-some',
  templateUrl: './some.component.html',
  styleUrls: ['./some.component.css']
})
export class SomeComponent implements OnInit {
  constructor(private location: Location) {}

  ngOnInit(): void {
    // 监听浏览器后退事件
    this.location.subscribe(() => {
      // 在这里处理后退逻辑
      console.log('Back button pressed');
      // 例如，您可以重定向到主页
      this.location.go('/home');
    });
  }
}

import { Component } from '@angular/core';
import { Router } from '@angular/router';

@Component({
  selector: 'app-some',
  templateUrl: './some.component.html',
  styleUrls: ['./some.component.css']
})
export class SomeComponent {
  constructor(private router: Router) {}

  onBackButtonClick() {
    // 这里可以添加条件判断
    this.router.navigate(['/home']);
  }
}