iOS 多图上传

-(void)commit{

    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];

    manager.responseSerializer.acceptableContentTypes = [[NSSet  alloc] initWithObjects:@"application/json", nil];

    manager.responseSerializer = [AFJSONResponseSerializer serializer];

    manager.requestSerializer=[AFJSONRequestSerializer serializer];

    NSString *urlStr = [NSString stringWithFormat:@"%@%@",API,insertResume_url];

    NSMutableDictionary *param = [NSMutableDictionary dictionary];

    param[@"work"] = self.work;

    param[@"education"] = self.education;

    param[@"workyears"] = [self.workExperise.text substringFromIndex:5];

    NSLog(@"%@",param);

    [manager POST:urlStr parameters:param constructingBodyWithBlock:^(id<AFMultipartFormData>  _Nonnull formData) {

        int i =0;

        for (UIImage *image in self.imageAry) {

            NSData *data =UIImageJPEGRepresentation(image,0.5);

            [formData appendPartWithFileData:data name:[NSString stringWithFormat:@"uploadFile%d.jpg",i] fileName:[NSString stringWithFormat:@"uploadFile%d.jpg",i] mimeType:@"image/png"];

            i++;

        }

        

    } progress:^(NSProgress * _Nonnull uploadProgress) {

        [uploadProgress addObserver:self forKeyPath:@"fractionCompleted" options:NSKeyValueObservingOptionNew context:nil];

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

        [SVProgressHUD showSuccessWithStatus:responseObject[@"message"]];

        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{

            [self.navigationController popViewControllerAnimated:YES];

        });

        

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

        NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:error.userInfo[@"com.alamofire.serialization.response.error.data"] options:NSJSONReadingMutableContainers error:nil];

        

        [SVProgressHUD showErrorWithStatus:dict[@"message"]];

    }];

}

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context

{

    CGFloat progress = [change[@"new"] floatValue];

    dispatch_async(dispatch_get_main_queue(), ^(void){

        [SVProgressHUD showProgress:progress];

    });

    

}