创建用户目录

gistfile1.m

+ (NSString *)dirUserData:(NSString *)userid
{
    NSArray *arrayFiles = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *docPath = [arrayFiles objectAtIndex:0];
    NSString *userDataDir = [docPath stringByAppendingPathComponent:userid];
    NSFileManager *fileManager = [NSFileManager defaultManager];
    BOOL isDirectory;
    BOOL isExist = [fileManager fileExistsAtPath:userDataDir isDirectory:&isDirectory];
    if (!isExist || (isExist && !isDirectory)) {
        NSError *error;
        BOOL success = [fileManager createDirectoryAtPath:userDataDir withIntermediateDirectories:YES attributes:nil error:&error];
        if (!success) {
            NSLog(@"%@", [error description]);
            return nil;
        } else {
            NSLog(@"创建目录成功 %@", userDataDir);
        }
    }
    return userDataDir;
}