异步批量上传图片文件

//批量上传图片
- (void)upLoadImages{
    
    dispatch_async(dispatch_get_main_queue(), ^{
        //Loading-Start
        [[NSNotificationCenter defaultCenter] postNotificationName:L_HUD_SHOW_NOTI object:nil];
    });
    
    __block BOOL upLoadSuccess = true;
    [self.imageUrls removeAllObjects];
    NSMutableArray * imgPathArray = @[self.cerIconImg,self.cerFrontImg,self.cerBackImg].mutableCopy;
    dispatch_queue_t queue1 = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
    
    dispatch_group_t groupQueue = dispatch_group_create();
    
    for (int i = 0; i < imgPathArray.count; i++) {
        __block NSString *tmpImgUrl;
        if (upLoadSuccess) {
            dispatch_group_enter(groupQueue);
            id obj = imgPathArray[i];
            if ([obj isKindOfClass:[UIImage class]]) {
                
                UIImage *imgFile = obj;
                dispatch_group_async(groupQueue, queue1, ^{
                    
                        NSString *pic_url = [NSString stringWithFormat:@"%@",[kWebConfig postUrl:@"common/UPLOAD_FILEPATH"]];
                        AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
                        manager.requestSerializer = [AFHTTPRequestSerializer serializer];
                        manager.responseSerializer = [AFHTTPResponseSerializer serializer];
                        
                        NSString *jwtToken = [AppSingleton shareSingleton].loginModel.accessToken ? :@"";
                        if (jwtToken.length>0) {
                            [manager.requestSerializer setValue:jwtToken forHTTPHeaderField:@"Authorization"];
                        }
                        manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json", @"text/json", @"text/javascript",@"text/html", nil];
                        //压缩
                        //    NSData *fileData = [imgFile compressWithLengthLimit:50*1024];
                        NSData *fileData = UIImageJPEGRepresentation(imgFile, 0.5);
                        
                        [manager POST:pic_url parameters:nil constructingBodyWithBlock:^(id  _Nonnull formData) {
                            if (fileData != nil) {
                                [formData appendPartWithFileData:fileData name:@"fileData" fileName:@"icon.jpg" mimeType:@"image/jpeg"];
                            }
                        } progress:^(NSProgress * _Nonnull uploadProgress) {
                            
                        } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
                            NSData *data =(NSData*)responseObject;
                            NSString *str=[[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding];
                            NSDictionary *obj = jsonToClass(str);
                            
                            if ([self isRequestSuccess:obj]) {
                                NSDictionary *tmpDic = validateDictionary([obj objectForKey:@"dataInfo"]);
                                tmpImgUrl = validateString(tmpDic[@"fileId"]);
                                NSString *url = [NSString stringWithFormat:@"%@/%@",kWebConfig.prefixUrl,tmpImgUrl];
                                [self.imageUrls addObject:url];
                                NSLog(@"******上传成功*1");
                            } else{
                                upLoadSuccess = false;
                                NSLog(@"******上传失败*1");
                            }
                            dispatch_group_leave(groupQueue);

                        } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
                            upLoadSuccess = false;
                            dispatch_group_leave(groupQueue);
//                            [SGInfoAlert showInfo:@"图片提交网路错误"];
                        }];
                });

            } else{
                NSLog(@"*****图片类型错误");
                tmpImgUrl = (NSString *)obj;
                [imgPathArray addObject:tmpImgUrl];
                dispatch_group_leave(groupQueue);
            }
        }
    }
    
    dispatch_group_notify(groupQueue, queue1, ^{
        dispatch_async(dispatch_get_main_queue(), ^{
            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                if (_imageUrls.count==3) {
                    NSLog(@"*****图片上传完成");
                    [self requestMethod];
                } else{
                    [SGInfoAlert showInfo:@"图片上传失败"];
                    //Loading-End
                    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(hiddenHud) name:L_HUD_HIDDEN_NOTI object:nil];
                }
            });
        });
    });
/*{"returnCode":1000,"message":"上传成功","chainId":null,"dataInfo":{"url":"https://devcloud/658.jpg","downloadUrl":"","fileId":"group1/03/43/rI658.jpg","width":0,"height":0,"analyze":{"fuzzy":0,"food":0}}}
     */
}

//提交
- (void)requestMethod{
    NSString *cerIconImgStr  = _imageUrls[0];
    NSString *cerFrontImgStr = _imageUrls[1];
    NSString *cerBackImgStr  = _imageUrls[2];
}