ecshop小起订量的设置方法

第一步，商品表必须有个字段 代表某个商品 小订购数量->min_number
打开goods表 在之后字段添加一个min_number tinyint类型 默认值为0 代表没有小起订量

sql:alter table `goods` add column `min_number` tinyint (3) UNSIGNED DEFAULT '0' NOT NULL after `warn_number`

第二部,在后台添加商品的时候 必须有个text文本框 设置小起订量
admin/goods.php
在'warn_number'=> 1 , 代码行后插入'min_number'=> 0,
在

$warn_number = isset($_POST['warn_number']) ? $_POST['warn_number'] : 0;

后添加代码

$min_number = isset($_POST['min_number']) ? $_POST['min_number'] : 0;

第三部 修改添加商品sql语句
修改代码

if ($is_insert){ if ($code == ''){ $sql = "INSERT INTO " . $ecs->table('goods') . " (goods_name, goods_name_style, goods_sn, " . "cat_id, brand_id, shop_price, market_price, is_promote, promote_price, " . "promote_start_date, promote_end_date, goods_img, goods_thumb, original_img,keywords, goods_brief, " . "seller_note, goods_weight, goods_number, warn_number,min_number, integral,give_integral, is_best, is_new, is_hot, ". "is_on_sale, is_alone_sale, goods_desc, add_time, last_update, goods_type,rank_integral)" . "VALUES ('$_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',". "'$warn_number','$min_number', '$_POST[integral]', '$give_integral', '$is_best', '$is_new', '$is_hot', '$is_on_sale', '$is_alone_sale', ". "'$_POST[goods_desc]', '" . gmtime() . "', '". gmtime() ."', '$goods_type','$rank_integral')"; }else{ $sql = "INSERT INTO " . $ecs->table('goods') . " (goods_name, goods_name_style, goods_sn, ". "cat_id, brand_id, shop_price, market_price, is_promote, promote_price, " . "promote_start_date, promote_end_date, goods_img, goods_thumb, original_img,keywords, goods_brief, " . "seller_note, goods_weight, goods_number, warn_number, min_number,integral,give_integral, is_best, is_new, is_hot, is_real, " . "is_on_sale, is_alone_sale, goods_desc, add_time, last_update, goods_type,extension_code, rank_integral)" . "VALUES ('$_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',". " '$warn_number','$min_number', '$_POST[integral]', '$give_integral', '$is_best','$is_new', '$is_hot', 0, '$is_on_sale', '$is_alone_sale’' ". " '$_POST[goods_desc]', '" . gmtime() . "', '". gmtime() ."', '$goods_type', '$code', '$rank_integral')"; } }else{ $sql = "SELECT goods_thumb, goods_img, original_img " . " FROM " . $ecs->table('goods') . " WHERE goods_id = '$_REQUEST[goods_id]'"; $row = $db->getRow($sql); if ($proc_thumb && $goods_img && $row['goods_img'] && !goods_parse_url($row['goods_img'])) { @unlink(ROOT_PATH . $row['goods_img']); @unlink(ROOT_PATH . $row['original_img']); } if ($proc_thumb && $goods_thumb && $row['goods_thumb'] && !goods_parse_url($row['goods_thumb'])) { @unlink(ROOT_PATH . $row['goods_thumb']); } $sql = "UPDATE " . $ecs->table('goods') . " SET " . "goods_name = '$_POST[goods_name]', " . "goods_name_style = '$goods_name_style', " . "goods_sn = '$goods_sn', " . "cat_id = '$catgory_id', " . "brand_id = '$brand_id', " . "shop_price = '$shop_price', " . "market_price = '$market_price', " . "is_promote = '$is_promote', " . "promote_price = '$promote_price', " . "promote_start_date = '$promote_start_date', " . "promote_end_date = '$promote_end_date', "; if ($goods_img) { $sql .= "goods_img = '$goods_img', original_img = '$original_img', "; } if ($goods_thumb) { $sql .= "goods_thumb = '$goods_thumb', "; } if ($code != '') { $sql .= "is_real=0, extension_code='$code', "; } $sql .= "keywords = '$_POST[keywords]', " . "goods_brief = '$_POST[goods_brief]', " . "seller_note = '$_POST[seller_note]', " . "goods_weight = '$goods_weight'," . "goods_number = '$goods_number', " . "warn_number = '$warn_number', " . "min_number = '$min_number', " . "integral = '$_POST[integral]', " . "give_integral = '$give_integral', " . "rank_integral = '$rank_integral', " . "is_best = '$is_best', " . "is_new = '$is_new', " . "is_hot = '$is_hot', " . "is_on_sale = '$is_on_sale', " . "is_alone_sale = '$is_alone_sale', " . "goods_desc = '$_POST[goods_desc]', " . "last_update = '". gmtime() ."', ". "goods_type = '$goods_type' " . "WHERE goods_id = '$_REQUEST[goods_id]' LIMIT 1"; }

第四步修改后台模板文件(在市场价会员价 后边添加设置小起订量)
admin/templates/goods_info.htm
在

<tr>
 <td class="label">{$lang.lab_shop_price}</td>
 <td><input type="text" name="market_price" value="{$goods.shop_price}" size="20" /> <input type="button" value="{$lang.integral_market_price}" onclick="integral_market_price()" />{$lang.require_field}
</td>
</tr>

第五步:修改语言languages/zh_cn/admin/goods.php
之后添加

$_LANG['lab_min_number'] = '小购买数量:'; $_LANG['notice_min_number'] = '该商品小购买数量,0表示按购买数量无限制.'

到现在位置 后台设置全部结束了，不知道大家能懂了没有
下面我门说说前台如何来实现
我以default模板为例子给大家讲解
想做起订量限制，这个必然是在商品购买页面 购买数量框来做限制 最简单的办法就是用JS当然还有别的办法
首先给那些如果给了起订量的商品 购买页面直接显示默认最少购买数量
如果在后台设置的AA商品最少5个 那么进入AA商品页面购买数量默认值就是5
我这样来实现
修改

themes/default/goods.dwt <input name="number" type="text" id="number" value="1" size="4" onBlur="changePrice()" style="border:1px solid #ccc; " mce_style="border: 1px solid #ccc;"/>

改成

<input name="number" type="text" id="number" value="{$goods.min_number|default:"1"}" size="4" onblur="changePrice()" style=”border:1px solid #ccc; " mce_style="border: 1px solid #ccc;"/><br />

这样就是value 也就是默认值了
之后添加JS判断就好了
themes/default/goods.dwt
在 var qty = document.forms['ECS_FORMBUY'].elements['number'].value; 后添加 {if $goods.min_number} if(qty < {$goods.min_number}) { alert('您输入的数字小于此商品小购买数量：

{$goods.min_number}'); qty = {$goods.min_number}; } {/if}

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