iOS获取文件和文件夹大小

//通常用于删除缓存的时，计算缓存大小//单个文件的大小- (long long) fileSizeAtPath:(NSString*) filePath{  NSFileManager* manager = [NSFileManager defaultManager];  if ([manager fileExistsAtPath:filePath]){    return [[manager attributesOfItemAtPath:filePath error:nil] fileSize];  }  return 0;}//遍历文件夹获得文件夹大小，返回多少M- (float ) folderSizeAtPath:(NSString*) folderPath{  NSFileManager* manager = [NSFileManager defaultManager];  if (![manager fileExistsAtPath:folderPath]) return 0;  NSEnumerator *childFilesEnumerator = [[manager subpathsAtPath:folderPath] objectEnumerator];  NSString* fileName;  long long folderSize = 0;  while ((fileName = [childFilesEnumerator nextObject]) != nil){    NSString* fileAbsolutePath = [folderPath stringByAppendingPathComponent:fileName];    folderSize += [self fileSizeAtPath:fileAbsolutePath];  }  return folderSize/(1024.0*1024.0);}

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原标题：iOS获取文件和文件夹大小

关键词：IOS