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				@@ -1,14 +1,12 @@ 
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				 import { Component, AfterViewInit } from '@angular/core'; 
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				 import { Router } from '@angular/router'; 
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				 import { ModalController, NavController, ToastController } from '@ionic/angular'; 
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				-import { Observable } from 'rxjs'; 
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				-import { map, catchError,tap } from 'rxjs/operators'; 
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				-import { HttpClient, HttpHeaders } from '@angular/common/http'; 
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				-import { throwError } from 'rxjs'; 
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				+import { SplashService } from '../services/splash.service'; 
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				+import { HttpClient,} from '@angular/common/http'; 
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				 import { Subscription } from 'rxjs'; 
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				 import { UserService } from '../services/user.service'; 
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				-import {ElementRef, OnInit, Renderer2 } from '@angular/core'; 
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				-import { environment } from 'src/environments/environment'; 
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				+import {ElementRef, Renderer2 } from '@angular/core'; 
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				+ 
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				 interface User { 
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				   username: string; 
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				@@ -24,36 +22,36 @@ export class Tab1Page implements AfterViewInit { 
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				   doctors = [ 
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				     { 
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				-      avatar: '../../assets/images/医生1.jpg', 
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				+      avatar: '../../assets/images/doctor1.jpg', 
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				       name: '张医生', 
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				       specialty: '心血管科' 
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				     }, 
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				     { 
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				-      avatar: '../../assets/images/医生2.jpg', 
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				+      avatar: '../../assets/images/doctor2.jpg', 
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				       name: '李医生', 
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				       specialty: '神经科' 
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				     }, 
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				     { 
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				-      avatar: '../../assets/images/医生3.jpg', 
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				+      avatar: '../../assets/images/doctor3.jpg', 
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				       name: '王医生', 
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				       specialty: '儿科' 
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				     }, 
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				     { 
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				-      avatar: '../../assets/images/医生4.jpg', 
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				+      avatar: '../../assets/images/doctor4.jpg', 
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				       name: '赵医生', 
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				       specialty: '外科' 
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				     }, 
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				     { 
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				-      avatar: '../../assets/images/医生5.jpg', 
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				+      avatar: '../../assets/images/doctor5.jpg', 
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				       name: '陈医生', 
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				       specialty: '内科' 
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				     } 
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				   ]; 
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				   images = [ 
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				-    '../../assets/images/背景图1.jpg', 
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				-    '../../assets/images/背景图2.jpg', 
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				-    '../../assets/images/背景图3.jpeg' 
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				+    '../../assets/images/brackground1.jpg', 
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				+    '../../assets/images/brackground2.jpg', 
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				+    '../../assets/images/brackground3.jpeg' 
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				   ]; 
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				   // 功能按钮数据 
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				@@ -72,7 +70,7 @@ export class Tab1Page implements AfterViewInit { 
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				     { label: '健康社区', icon: 'people', route: '/health-community' } 
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				   ]; 
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				-  userAvatar: string = '../../assets/images/user-avatar.png'; // 默认头像 
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				+  userAvatar: string = '../../assets/images/user.png'; // 默认头像 
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				   private userInfoSubscription!: Subscription; 
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				   currentIndex = 0; 
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				@@ -86,6 +84,8 @@ export class Tab1Page implements AfterViewInit { 
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				   isLoginModalOpen = false; 
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				   user: User = { username: '', password: '' }; 
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				   fileToUpload: File | null = null; 
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				+  private splashSubscription!: Subscription; 
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				+  isLoggedIn: boolean = false; 
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				   constructor( 
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				@@ -96,7 +96,8 @@ export class Tab1Page implements AfterViewInit { 
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				     private toastController: ToastController,// 添加 ToastController 注入 
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				     private userService: UserService , 
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				     private el: ElementRef,  
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				-    private renderer: Renderer2 
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				+    private renderer: Renderer2, 
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				+    private splashService: SplashService 
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				   ) {} 
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				   ngOnInit() { 
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				@@ -104,6 +105,11 @@ export class Tab1Page implements AfterViewInit { 
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				     this.startImageRotation(); 
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				     // 初始化时设置第一张图片 
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				     this.updateBackgroundImage(); 
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				+    this.splashSubscription = this.splashService.openLoginModal$.subscribe(async (shouldOpen) => { 
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				+      if (shouldOpen) { 
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				+        await this.openLoginModal(); 
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				+      } 
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				+    }); 
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				   } 
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				   ionViewWillEnter() { 
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				@@ -114,6 +120,9 @@ export class Tab1Page implements AfterViewInit { 
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				     if (this.userInfoSubscription) { 
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				       this.userInfoSubscription.unsubscribe(); 
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				     } 
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				+    if (this.splashSubscription) { 
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				+      this.splashSubscription.unsubscribe(); 
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				+    } 
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				   } 
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				   // 实现 AfterViewInit 接口的 ngAfterViewInit 方法 
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				@@ -245,7 +254,6 @@ export class Tab1Page implements AfterViewInit { 
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				     this.router.navigate([route]); 
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				   } 
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				- 
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				   openLoginModal() { 
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				     this.isLoginModalOpen = true; 
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				     console.log('打开登录/注册模态框'); 
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				@@ -280,6 +288,7 @@ export class Tab1Page implements AfterViewInit { 
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				         async (response) => { 
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				           console.log('登录成功:', response); 
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				           await this.presentToast('登录成功', 'success'); 
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				+          this.isLoggedIn = true; 
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				           this.closeLoginModal(); 
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				         }, 
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				         async (error) => { 
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				@@ -312,6 +321,7 @@ export class Tab1Page implements AfterViewInit { 
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				         async (response) => { 
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				           console.log('注册成功:', response); 
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				           await this.presentToast('注册成功', 'success'); 
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				+          this.isLoggedIn = true; 
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				           this.closeLoginModal(); 
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				         }, 
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				         async (error) => { 
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