APPmy/src/app/tab3/tab3.page.ts

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


@Component({
  selector: 'app-tab3',
  templateUrl: 'tab3.page.html',
  styleUrls: ['tab3.page.scss']
})
export class Tab3Page {

  constructor(private toastController: ToastController,private router: Router) {}

  activeTab:string = 'explore';
  likedPosts: number[] = [];
  favoritePosts: number[] = [];
  followedUsers: number[] = [];
  changeTab(event:any){
    this.activeTab = event.detail.value
    
  }
  openSettingsPage() {
    // 打开设置页面 
    this.router.navigate(['/settings']);
  }
  // navigateToPage(page: string) {
  //   this.router.navigate([`/tabs/${page}`]);
  // }
  sendComment() {
    // 模拟发送评论的操作
    this.presentToast('评论已发送');
    
  }
  async presentToast(message: string) {
    const toast = await this.toastController.create({
      message: message,
      duration: 2000
    });
    toast.present();
  }
  likePost(postId: number) {
    if (this.isPostLiked(postId)) {
      this.likedPosts = this.likedPosts.filter(id => id !== postId);
    } else {
      this.likedPosts.push(postId);
    }
  }

  isPostLiked(postId: number): boolean {
    return this.likedPosts.includes(postId);
  }

  toggleFavorite(postId: number) {
    if (this.isPostFavorite(postId)) {
      this.favoritePosts = this.favoritePosts.filter(id => id !== postId);
    } else {
      this.favoritePosts.push(postId);
    }
  }

  isPostFavorite(postId: number): boolean {
    return this.favoritePosts.includes(postId);
  }
  toggleFollow(userId: number) {
    if (this.isUserFollowed(userId)) {
      this.followedUsers = this.followedUsers.filter(id => id !== userId);
    } else {
      this.followedUsers.push(userId);
    }
  }

  isUserFollowed(userId: number): boolean {
    return this.followedUsers.includes(userId);
  }
}