iOS 將圖片儲存到本地

標籤：

//將圖片儲存到本地 + ( void )SaveImageToLocal:(UIImage*)image Keys:( NSString *)key {      NSUserDefaults * preferences = [ NSUserDefaults standardUserDefaults];      //[preferences persistentDomainForName:LocalPath];      [preferences setObject:UIImagePNGRepresentation(image) forKey:key]; }  //本地是否有相關圖片 + ( BOOL )LocalHaveImage:( NSString *)key {      NSUserDefaults * preferences = [ NSUserDefaults standardUserDefaults];      //[preferences persistentDomainForName:LocalPath];      NSData * imageData = [preferences objectForKey:key];      if (imageData) {          return YES ;      }      return NO ; }  //從本地擷取圖片 + (UIImage*)GetImageFromLocal:( NSString *)key {      NSUserDefaults * preferences = [ NSUserDefaults standardUserDefaults];      //[preferences persistentDomainForName:LocalPath];      NSData * imageData = [preferences objectForKey:key];      UIImage* image;      if (imageData) {          image = [UIImage imageWithData:imageData];      }      else {          NSLog (@ "未從本地獲得圖片" );      }      return image; }

iOS 將圖片儲存到本地