// 读取gif图片数据 
  UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectMake(0,0,200,200)];
  [self.view addSubview:webView];

  NSString *path = [[NSBundle mainBundle] pathForResource:@"001" ofType:@"gif"];
  /*
     NSData *data = [NSData dataWithContentsOfFile:path];
     使用loadData:MIMEType:textEncodingName: 则有警告
     [webView loadData:data MIMEType:@"image/gif" textEncodingName:nil baseURL:nil];
   */
  NSURL *url = [NSURL URLWithString:path];
  [webView loadRequest:[NSURLRequest requestWithURL:url]];

- (NSArray *)animationImages
{
  NSFileManager *fielM = [NSFileManager defaultManager];
  NSString *path = [[NSBundle mainBundle] pathForResource:@"Loading" ofType:@"bundle"];
  NSArray *arrays = [fielM contentsOfDirectoryAtPath:path error:nil];
  
  NSMutableArray *imagesArr = [NSMutableArray array];
  for (NSString *name in arrays) {
    UIImage *image = [UIImage imageNamed:[(@"Loading.bundle") stringByAppendingPathComponent:name]];
    if (image) {
      [imagesArr addObject:image];
    }
  }
  return imagesArr;
}

- (void)viewDidLoad {
  [super viewDidLoad];
  
  UIImageView *gifImageView = [[UIImageView alloc] initWithFrame:frame];
  gifImageView.animationImages = [self animationImages]; //获取Gif图片列表
  gifImageView.animationDuration = 5;   //执行一次完整动画所需的时长
  gifImageView.animationRepeatCount = 0; //动画重复次数
  [gifImageView startAnimating];
  [self.view addSubview:gifImageView];
}

  UIImageView *gifImageView = [[UIImageView alloc] initWithFrame:frame];
  [gifImageView sd_setImageWithURL:nil placeholderImage:[UIImage imageNamed:@"gifTest.gif"]];

@interface UIImage (GIF)
+ (IImage *)sd_animatedGIFNamed:(NSString *)name;
+ (UIImage *)sd_animatedGIFWithData:(NSData *)data;
- (UIImage *)sd_animatedImageByScalingAndCroppingToSize:(CGSize)size;
@end

  NSString *path = [[NSBundle mainBundle] pathForResource:@"gifTest" ofType:@"gif"];
  NSData *data = [NSData dataWithContentsOfFile:path];
  UIImage *image = [UIImage sd_animatedGIFWithData:data];
  gifImageView.image = image;

+ (UIImage *)sd_animatedGIFWithData:(NSData *)data {
  if (!data) {
    return nil;
  }

  CGImageSourceRef source = CGImageSourceCreateWithData((__bridge CFDataRef)data, NULL);

  size_t count = CGImageSourceGetCount(source);

  UIImage *animatedImage;

  if (count <= 1) {
    animatedImage = [[UIImage alloc] initWithData:data];
  }
  else {
    NSMutableArray *images = [NSMutableArray array];

    NSTimeInterval duration = 0.0f;

    for (size_t i = 0; i < count; i++) {
      CGImageRef image = CGImageSourceCreateImageAtIndex(source, i, NULL);

      duration += [self sd_frameDurationAtIndex:i source:source];

      [images addObject:[UIImage imageWithCGImage:image scale:[UIScreen mainScreen].scale orientation:UIImageOrientationUp]];

      CGImageRelease(image);
    }

    if (!duration) {
      duration = (1.0f / 10.0f) * count;
    }

    animatedImage = [UIImage animatedImageWithImages:images duration:duration];
  }

  CFRelease(source);

  return animatedImage;
}

UIImage *animatedImage = [UIImage animatedImageWithImages:images duration:duration];

UIImage *image = [UIImage sd_animatedGIFWithData:data];
gifImageView.image = image;