iOS上传图片

/*!
 *    @brief 点击照片按钮事件
 *
 *    @return
 */
-(void)addButtonClicked
{
    JKImagePickerController *imagePickerController = [[JKImagePickerController alloc]init];
    imagePickerController.delegate = self;
    imagePickerController.showsCancelButton = YES;
    imagePickerController.allowsMultipleSelection = YES;
    imagePickerController.minimumNumberOfSelection = 1;//图片最小数量
    imagePickerController.maximumNumberOfSelection = 9;//图片最大数量
    imagePickerController.selectedAssetArray = self.photosView.assetsArray;
    UINavigationController *navigationController = [[UINavigationController alloc]initWithRootViewController:imagePickerController];
    [self presentViewController:navigationController animated:YES completion:nil];
}

#pragma mark - JKImagePickerControllerDelegate

- (void)imagePickerController:(JKImagePickerController *)imagePicker didSelectAsset:(JKAssets *)asset isSource:(BOOL)source
{
    [imagePicker dismissViewControllerAnimated:YES completion:^{
        
    }];
}

- (void)imagePickerController:(JKImagePickerController *)imagePicker didSelectAssets:(NSArray *)assets isSource:(BOOL)source
{
    self.photosView.assetsArray = [NSMutableArray arrayWithArray:assets];
    [imagePicker dismissViewControllerAnimated:YES completion:^{
        if ([self.photosView.assetsArray count] > 0){
            
            self.photosView.addButton.hidden = NO;
        }
        [self.photosView.collectionView reloadData];
    }];
}

- (void)imagePickerControllerDidCancel:(JKImagePickerController *)imagePicker
{
    [imagePicker dismissViewControllerAnimated:YES completion:^{
        
    }];
}