- 创建文件夹
+ (BOOL)creatDir:(NSString *)path { if (path.length==0) { return NO; } NSFileManager *fileManager = [NSFileManager defaultManager]; BOOL isSuccess = YES; BOOL isExist = [fileManager fileExistsAtPath:path]; if (isExist==NO) { NSError *error; if (![fileManager createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:&error]) { isSuccess = NO; NSLog(@"creat Directory Failed:%@",[error localizedDescription]); } } return isSuccess; }
- 创建文件
+ (BOOL)creatFile:(NSString*)filePath { if (filePath.length==0) { return NO; } NSFileManager *fileManager = [NSFileManager defaultManager]; if ([fileManager fileExistsAtPath:filePath]) { return YES; } NSError *error; NSString *dirPath = [filePath stringByDeletingLastPathComponent]; BOOL isSuccess = [fileManager createDirectoryAtPath:dirPath withIntermediateDirectories:YES attributes:nil error:&error]; if (error) { NSLog(@"creat File Failed:%@",[error localizedDescription]); } if (!isSuccess) { return isSuccess; } isSuccess = [fileManager createFileAtPath:filePath contents:nil attributes:nil]; return isSuccess; }
- 写入文件
+ (BOOL)writeToFile:(NSString*)filePath contents:(NSData *)data { if (filePath.length==0) { return NO; } BOOL result = [self creatFile:filePath]; if (result) { if ([data writeToFile:filePath atomically:YES]) { NSLog(@"write Success"); }else{ NSLog(@"write Failed"); } } else{ NSLog(@"write Failed"); } return result; }
- 追加数据
+ (BOOL)appendData:(NSData*)data withPath:(NSString *)filePath { if (filePath.length==0) { return NO; } BOOL result = [self creatFile:filePath]; if (result) { NSFileHandle *handle = [NSFileHandle fileHandleForWritingAtPath:filePath]; [handle seekToEndOfFile]; [handle writeData:data]; [handle synchronizeFile]; [handle closeFile]; } else{ NSLog(@"appendData Failed"); } return result; }