AFNetwortking 上传进度

／／ 创建

AFHTTPSessionManager *manager = [AFHTTPSessionManagermanager];

／／设置请求格式

manager.responseSerializer.acceptableContentTypes = [NSSetsetWithObjects:@"text/json",@"application/json",@"text/javascript",@"text/html",nil];

／／post请求

[manager POST:URL parameters:bodyprogress:^(NSProgress *_Nonnull uploadProgress) {

        

／／此处为上传进度，uploadProgress.fractionCompleted

        ／／因为请求为异步，所以必须回到主线程刷新UI

        dispatch_sync(dispatch_get_main_queue(), ^{

            //Update UI in UI thread here

        [[NSNotificationCenterdefaultCenter] postNotificationName:notiobject:@{noti : [NSStringstringWithFormat:@"%f",uploadProgress.fractionCompleted]}];

        

        });

        

    } success:^(NSURLSessionDataTask *_Nonnull task, id _Nullable responseObject) {

        ／／请求成功

     

     

    } failure:^(NSURLSessionDataTask *_Nullable task, NSError *_Nonnull error) {

        

      ／／请求失败

        

    }];