cell.backgroundColor = D_cellColor2;             //错误做法 cell.contentView.backgroundColor = D_cellColor2; //正确做法        

 GoodsListTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reusableCellIdentifier];    if (cell == nil) {        NSArray *nibArr = [[NSBundle mainBundle] loadNibNamed:@"GoodsListTableViewCell" owner:self options:nil];        cell = (GoodsListTableViewCell *)[nibArr objectAtIndex:0];        cell.selectionStyle = UITableViewCellSelectionStyleBlue;    }    //视图可以重用,但是数据还是要重新定义    cell.goodsInfoVo = [_goodsInfoArray objectAtIndex:indexPath.row];