摘要：
- (NSString *)formattedFileSize:(unsigned long long)size{NSString *formattedStr = nil; if (size == 0)formattedStr = @"Empty";elseif (size > 0 && size < 1024)formattedStr = [NSString stringWithFormat:@"%qu bytes", size]; else if (size >= 1024 && size < 阅读全文
摘要：
//判断某个路径是否是文件夹BOOL isDirectory;[[NSFileManagerdefaultManager] fileExistsAtPath:filePath isDirectory:&isDirectory];//取得路径里包含的文件NSArray *documentsDirectoryContents = [[NSFileManagerdefaultManager] contentsOfDirectoryAtPath:documentsDirectoryPath error:NULL];//得到某个路径文件的参数 NSString *fileURLString = 阅读全文
摘要：
//得到Documents路径的方法- (NSString *)applicationDocumentsDirectory{return [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];} 阅读全文