文件操作-图片的拷贝

- (void)viewDidLoad {

    [super viewDidLoad];

    NSString *docPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)lastObject];

    

    NSString *lifeFilePath = [docPath stringByAppendingString:@"Life"];

    NSError *errMsg = nil;

    [[NSFileManager defaultManager]createDirectoryAtPath:lifeFilePath withIntermediateDirectories:YES attributes:nil error:&errMsg];

    

    NSString *WorkFilePath = [docPath stringByAppendingString:@"Work"];

    [[NSFileManager defaultManager]createDirectoryAtPath:WorkFilePath withIntermediateDirectories:YES attributes:nil error:&errMsg];

    NSString *imagePath = [lifeFilePath stringByAppendingString:@"1"];

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

        [[NSFileManager defaultManager]createFileAtPath:imagePath contents:nil attributes:nil];

        NSData *imageData = UIImagePNGRepresentation([UIImage imageNamed:@"1"]);

        [imageData writeToFile:imagePath atomically:YES];

        NSError *errMsg = nil;

        NSString *imagePath2 = [WorkFilePath stringByAppendingPathComponent:@"1"];

        if (![[NSFileManager defaultManager] fileExistsAtPath:imagePath2]) {

            [[NSFileManager defaultManager] copyItemAtPath:imagePath toPath:imagePath2 error:&errMsg];

            if (errMsg) {

                NSLog(@"%@",errMsg);

                return;

            }

        }

    };

    

    NSLog(@"%@",lifeFilePath);

}