NSFileManager创建文件夹

NSFileManager*fileManager = [[NSFileManager alloc] init];

NSString *pathDocuments = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];

//缩略图路径

createPath = [NSString stringWithFormat:@"%@/ThumbnailImage", pathDocuments];

//原图路径

createDir = [NSString stringWithFormat:@"%@/OriginalImage", pathDocuments];

// 判断文件夹是否存在，如果不存在，则创建

if (![[NSFileManager defaultManager] fileExistsAtPath:createPath]) {

[fileManager createDirectoryAtPath:createPath withIntermediateDirectories:YES attributes:nil error:nil];

[fileManager createDirectoryAtPath:createDir withIntermediateDirectories:YES attributes:nil error:nil];

} else {

NSLog(@"FileDir is exists.");

}