删除按钮侧滑

(void)tableView:(UITableView *)tableView willBeginEditingRowAtIndexPath:(NSIndexPath *)indexPath {

if (@available(iOS 11.0, *)) {

      for (UIView *swipeActionPullView in self.tableView.subviews)
      {
          if([swipeActionPullView isKindOfClass:NSClassFromString(@"UISwipeActionPullView")]){
              for (UIView *swipeActionStandardButton in swipeActionPullView.subviews) {
                  if ([swipeActionStandardButton isKindOfClass:NSClassFromString(@"UISwipeActionStandardButton")]) {
                      
                      for (UIImageView *imageView in swipeActionStandardButton.subviews) {
                          if ([imageView isKindOfClass:[UIImageView class]]) {
                              if ([imageView viewWithTag:k_ash_action_img]==nil) {
                                  UIImageView *addedImageView = [[UIImageView alloc] initWithFrame:imageView.bounds];
                                  addedImageView.tag = k_ash_action_img;
                                  addedImageView.image= [imageView.image imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
                                  [imageView addSubview:addedImageView];
                              }
                              break;
                          }
                      }
                  }
              }
          }
      }

}
}