//設(shè)Cell可編輯
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
  return YES;
}
//設(shè)置刪除按鈕
-(UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
  return UITableViewCellEditingStyleDelete;
}
//進(jìn)入編輯（刪除）模式
-(void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{  
  //出現(xiàn)alterView隱藏刪除按鈕
  [tableView setEditing:NO animated:YES];
  if (editingStyle == UITableViewCellEditingStyleDelete) {
    UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"提示" message:@"你確定刪除該消息？" preferredStyle:UIAlertControllerStyleAlert];
    [alertController addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil]];
    [alertController addAction:[UIAlertAction actionWithTitle:@"確定" style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
      //需要先刪除數(shù)據(jù)源中對應(yīng)數(shù)據(jù)，不然執(zhí)行下一步會崩潰
      [reconnaissanceListArr removeObjectAtIndex:indexPath.row];
      [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationAutomatic];
    }]];
    [self presentViewController:alertController animated:YES completion:nil];
  }
}
//修改編輯按鈕文字
-(NSString *)tableView:(UITableView *)tableView titleForDeleteConfirmationButtonForRowAtIndexPath:(NSIndexPath *)indexPath
{
  return @"刪除";
}
//設(shè)置進(jìn)入編輯狀態(tài)時，Cell不會縮進(jìn)
- (BOOL)tableView: (UITableView *)tableView shouldIndentWhileEditingRowAtIndexPath:(NSIndexPath *)indexPath
{
  return NO;
}