优化图片加载器

PhoneManager/Class/Manager/IAPManager/IAPPageManager.swift

-//
-//  IAPPageManager.swift
-//  PhoneManager
-//
-//  Created by edy on 2025/5/19.
-//
-
-import Foundation
-
-
-struct IAPPageManager{
-    
-    func showIAPPage(){
-        
-    
-        
-    }
-    
-}

PhoneManager/Class/Manager/PMPhotoManager/PHImageLoad.swift

@@ -2,7 +2,12 @@ import UIKit
 import Photos
 
 // 图片缓存管理（单例）
-private let imageCache = NSCache<NSString, UIImage>()
+private let imageCache: NSCache<NSString, UIImage> = {
+    let cache = NSCache<NSString, UIImage>()
+    cache.totalCostLimit = 50 * 1024 * 1024  // 50MB
+    cache.countLimit = 100  // 最多缓存100张图片
+    return cache
+}()
 
 extension UIImageView {
     // 关联对象键，用于存储当前请求的 localIdentifier
@@ -34,7 +39,7 @@ extension UIImageView {
     // 加载图片的主方法
     func loadImage(
         withLocalIdentifier identifier: String,
-        targetSize: CGSize = PHImageManagerMaximumSize,
+        targetSize: CGSize = CGSize(width: 300, height: 300),
         placeholder: UIImage? = nil,
         completion: ((UIImage?) -> Void)? = nil
     ) {
@@ -63,13 +68,23 @@ extension UIImageView {
             completion?(nil)
             return
         }
-        
+
         // 6. 配置图片请求选项
         let options = PHImageRequestOptions()
         options.version = .current
-        options.deliveryMode = .highQualityFormat
+        options.deliveryMode = .highQualityFormat  // 改为渐进式加载
         options.isNetworkAccessAllowed = true
-        options.resizeMode = .exact
+        options.resizeMode = .fast  // 改为快速加载模式
+        options.isSynchronous = false
+        options.progressHandler = { progress, error, stop, info in
+            DispatchQueue.main.async {
+                // 可以在这里添加加载进度的处理
+                print("Loading progress: \(progress)")
+                if let error = error {
+                    print("Loading error: \(error.localizedDescription)")
+                }
+            }
+        }
         
         // 7. 请求图片
         currentRequestID = PHImageManager.default().requestImage(
@@ -116,9 +131,18 @@ extension UIImageView {
         }
     }
     
+    // 清理缓存
+    @objc func clearCacheOnMemoryWarning() {
+        imageCache.removeAllObjects()
+    }
+    
     // 命名空间
     struct AssetLoader {
         fileprivate weak var imageView: UIImageView?
+        
+        func clearImageCache() {
+            imageCache.removeAllObjects()
+        }
     }
     
     var asset: AssetLoader {

PhoneManager/Class/Manager/PMPhotoManager/PhotoManager.swift

@@ -34,6 +34,12 @@ enum BaseDataLoadingState {
     case failed(Error)
 }
 
+enum FileType {
+    case json
+    case plist
+    case all
+}
+
 
 class PhotoManager{
     
@@ -142,7 +148,7 @@ class PhotoManager{
            if permission{
                weakSelf.getBaseAssetGroup()
            }else{
-               weakSelf.clearLocalData()
+               //weakSelf.clearLocalData()
            }
            
         }
@@ -753,6 +759,7 @@ extension PhotoManager{
         }
     }
     
+    // 清楚本地存储数据
     func clearLocalData(){
         
     }

PhoneManager/Class/Page/Home/ViewModel/HomeViewModel.swift

@@ -121,6 +121,10 @@ class HomeViewModel {
             return
         }
         
+        guard photoManager.permissionStatus == .authorized else{
+            return
+        }
+        
         totalFilesCount = photoManager.allAssets.count
 
         hadLoad = true

PhoneManager/Class/Tool/Class/FileManager/FileTool.swift

@@ -70,4 +70,8 @@ struct FileTool{
         
         return totalSize
     }
+    
+    
 }
+
+