ecshop控制最小购买数量

1:alter table ecs_goods add column min_buy int(1) default 1;

2:admin/goods.php的insert

$min_buy = isset($_POST['min_buy']) ? intval($_POST['min_buy']) : '1';

if ($code == '')
        {
            $sql = "INSERT INTO " . $ecs->table('goods') . " (goods_name, goods_name_style, goods_sn, " .
                    "cat_id, brand_id, shop_price, market_price, is_promote, promote_price, " .
                    "promote_start_date, promote_end_date, goods_img, goods_thumb, original_img, keywords, goods_brief, " .
                    "seller_note, goods_weight, goods_number, warn_number, integral, give_integral, is_best, is_new, is_hot, " .
                    "is_on_sale, is_alone_sale, is_shipping, goods_desc, add_time, last_update, goods_type, rank_integral, suppliers_id,min_buy )" .
                "VALUES ('$_POST[goods_name]', '$goods_name_style', '$goods_sn', '$catgory_id', " .
                    "'$brand_id', '$shop_price', '$market_price', '$is_promote','$promote_price', ".
                    "'$promote_start_date', '$promote_end_date', '$goods_img', '$goods_thumb', '$original_img', ".
                    "'$_POST[keywords]', '$_POST[goods_brief]', '$_POST[seller_note]', '$goods_weight', '$goods_number',".
                    " '$warn_number', '$_POST[integral]', '$give_integral', '$is_best', '$is_new', '$is_hot', '$is_on_sale', '$is_alone_sale', $is_shipping, ".
                    " '$_POST[goods_desc]', '" . gmtime() . "', '". gmtime() ."', '$goods_type', '$rank_integral', '$suppliers_id','$min_buy')";
        }
        else
        {
            $sql = "INSERT INTO " . $ecs->table('goods') . " (goods_name, goods_name_style, goods_sn, " .
                    "cat_id, brand_id, shop_price, market_price, is_promote, promote_price, " .
                    "promote_start_date, promote_end_date, goods_img, goods_thumb, original_img, keywords, goods_brief, " .
                    "seller_note, goods_weight, goods_number, warn_number, integral, give_integral, is_best, is_new, is_hot, is_real, " .
                    "is_on_sale, is_alone_sale, is_shipping, goods_desc, add_time, last_update, goods_type, extension_code, rank_integral,min_buy)" .
                "VALUES ('$_POST[goods_name]', '$goods_name_style', '$goods_sn', '$catgory_id', " .
                    "'$brand_id', '$shop_price', '$market_price', '$is_promote','$promote_price', ".
                    "'$promote_start_date', '$promote_end_date', '$goods_img', '$goods_thumb', '$original_img', ".
                    "'$_POST[keywords]', '$_POST[goods_brief]', '$_POST[seller_note]', '$goods_weight', '$goods_number',".
                    " '$warn_number', '$_POST[integral]', '$give_integral', '$is_best', '$is_new', '$is_hot', 0, '$is_on_sale', '$is_alone_sale', $is_shipping, ".
                    " '$_POST[goods_desc]', '" . gmtime() . "', '". gmtime() ."', '$goods_type', '$code', '$rank_integral','$min_buy')";
        }

 "min_buy = '$min_buy', " .

3:admin/templates/goods_info.html

 <tr>
            <td class="label">最小购买数量：</td>
            <td><input type="text" name="min_buy" value="{$goods.min_buy}" size="20" />
           </td>
          </tr>

4:flow.php

/**控制最小购买**/
 $min_buy = $db -> getOne("select min_buy from ".$ecs->table('goods')." where goods_id = '".$goods->goods_id."'");
 if($min_buy){
  if($min_buy > $goods->number){
    $result['error']   = 1;
    $result['message'] ='该商品的最小购买数量为:'.$min_buy;
      die($json->encode($result));
  }
 }