+ (void)uploadImages:(NSArray *)imageArray progress:(void (^)(CGFloat))progress success:(void (^)(NSArray *))success failure:(void (^)())failure
{
    NSMutableArray *array = [[NSMutableArray alloc] init];
    
    __block float totalProgress = 0.0f;
    __block float partProgress = 1.0f / [imageArray count];
    __block NSUInteger currentIndex = 0;
    
    TDQiNiuUploadHelper *uploadHelper = [TDQiNiuUploadHelper sharedInstance];
    __weak typeof(uploadHelper) weakHelper = uploadHelper;
    
    uploadHelper.singleFailureBlock = ^() {
        failure();
        return;
    };
    uploadHelper.singleSuccessBlock  = ^(NSString *url) {
        [array addObject:url];
        totalProgress += partProgress;
        progress(totalProgress);
        currentIndex++;
        if ([array count] == [imageArray count]) {
            success([array copy]);
            return;
        }
        else {
// 上傳單張圖片
            [TDSystemService uploadImage:imageArray[currentIndex] progress:nil success:weakHelper.singleSuccessBlock failure:weakHelper.singleFailureBlock];
        }
    };
// 上傳單張圖片

    [TDSystemService uploadImage:imageArray[0] progress:nil success:weakHelper.singleSuccessBlock failure:weakHelper.singleFailureBlock];

}
 

@interface TDQiNiuUploadHelper : NSObject

@property (copy, nonatomic) void (^singleSuccessBlock)(NSString *);
@property (copy, nonatomic)  void (^singleFailureBlock)();

+ (instancetype)sharedInstance;
@end