Creating a directory in the iPhone

I want to create a sub folder to store the images which is captured by camera & also require to store images in to the database and retrieve the images From the database.

So please provide me help regarding how to create a folder开发者_Python百科 in iPhone & how to store the images in to the database & retrieve them

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To create a directory in the documents folder,

- (void)createDirectoryInDocumentsFolderWithName:(NSString *)dirName {

    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDirectory = [paths objectAtIndex:0];
    NSString *yourDirPath = [documentsDirectory stringByAppendingPathComponent:dirName];     
    NSFileManager *fileManager = [NSFileManager defaultManager];
    BOOL isDir = YES;
    BOOL isDirExists = [fileManager fileExistsAtPath:yourDirPath isDirectory:&isDir];
    if (!isDirExists) [fileManager createDirectoryAtPath:yourDirPath withIntermediateDirectories:YES attributes:nil error:nil];
}