ecshop二次开发 购物时为每件商品添加备注信息的修改方法
<p><span>目标: </span><br><span>用户在选购商品加入购物车前可以为商品添加备注信息 </span><br><span>加入购物车后可以在购物车查看备注信息 </span><br><span>店主在查看订单时可以看到用户为商品添加的备注信息 </span><br><span>用户在个人中心中可以看到商品的备注信息 </span><br><span>目标一: </span><br><span> 打开ecshop/goods.php,搜索"display"可以看到这句: </span><br><br><span>$smarty->display('goods.dwt', $cache_id); </span><br><span> </span><br><span> 打开模板目录下的goods.dwt,搜索"<!-- {* 结束循环可选属性 *} -->",在这句之前添加: </span><br><br><span><br />商品备注:<textarea name="content" cols="40" rows="5"></textarea> </span><br><span> </span><br><span> 打开ecshop数据库执行: </span><br><br><span>ALTER TABLE `ecs_cart` ADD `content` TEXT NOT NULL </span><br><span> </span><br><span> 在下面我们可以看到a连接执行的是:javascript:addToCart({$goods.goods_id}),于是我们在文件夹里查找addToCart方法,在js/common.js里面的addToCart方法我们可以看到表单的值都是在这里获取的,于是我们找到goods.quick = quick;在它前面加上: </span><br><br><span>goods.content= formBuy.elements['content'].value; </span><br><span> </span><br><span>在方法的最后一看可以看到递交的地址是:flow.php?step=add_to_cart. </span><br><span> 打开flow.php,查找add_to_cart方法,找到if (addto_cart($goods->goods_id, $goods->number, $goods->spec, $goods->parent)),将它替换为: </span><br><br><span>if (addto_cart($goods->goods_id, $goods->number, $goods->spec, $goods->parent,$goods->content)) </span><br><span> </span><br><span> 找到addto_cart方法,在includes/lib_order.php里面,将function addto_cart($goods_id, $num = 1, $spec = array(), $parent = 0)替换为: </span><br><br><span>function addto_cart($goods_id, $num = 1, $spec = array(), $parent = 0, $content='') </span><br><span> 找到$parent['parent_id'] = 0;在它下面加入: </span><br><br><span>$parent['content'] = $content; </span><br><span> </span><br><span>这时候我们回到商品页检查一下是否能运行,填写留言,加入购物车,查看数据库我们可以发现已经成功插入数据库了. </span><br><span>但是我们回到商品页重新填写备注信息再加入购物车发现,数据库的备注信息还是原来的,没有更新. </span><br><span>于是我们找到" , goods_price = '$goods_price'". ,将它替换为: </span><br><br><span>" , goods_price = '$goods_price', content='$content'". </span><br><span>再回到商品页测试,成功更新数据库!我们将商品删除,数据库的记录也消失了! </span><br><br><span>目标二: </span><br><br><span> 找到模板目录下的flow.dwt,搜索<td bgcolor="#ffffff">{$goods.goods_attr|nl2br}</td>,将它替换为: </span></p>
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<p>
<span><u>复制代码</u></span></p>
<p>
代码如下:</p>
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<br>
<td bgcolor="#ffffff"> <br>
{$goods.goods_attr|nl2br} <br><br>
<!--{if $goods.content}--> <br>
备注信息:{$goods.content} <br>
<!--{/if}--> <br>
</td> </p>
<p>
<br><span> 回到购物车页面刷新,我们发现备注信息已经显示出来了! </span><br><br><span>目标三: </span><br><br><span> 进入数据库执行: </span><br><br><span>ALTER TABLE `ecs_order_goods` ADD `content` TEXT NOT NULL </span><br><span> </span><br><span> 由checkout页面的提交按钮<input type="hidden" name="step" value="done" />可以知道它的提交动作为done. </span><br><span> 在flow.php搜索done,往下找到"/* 插入订单商品 */",修改$sql为: </span><br><br><span>$sql = "INSERT INTO " . $ecs->table('order_goods') . "( " . </span><br><span>"order_id, goods_id, goods_name, content, goods_sn, product_id, goods_number, market_price, ". </span><br><span>"goods_price, goods_attr, is_real, extension_code, parent_id, is_gift, goods_attr_id) ". </span><br><span>" SELECT '$new_order_id', goods_id, goods_name, content, goods_sn, product_id, goods_number, market_price, ". </span><br><span>"goods_price, goods_attr, is_real, extension_code, parent_id, is_gift, goods_attr_id". </span><br><span>" FROM " .$ecs->table('cart') . </span><br><span>" WHERE session_id = '".SESS_ID."' AND rec_type = '$flow_type'"; </span><br><span> </span><br><span>插入订单动作完成! </span><br><br><span> 在admin文件夹下找到order.php,在$_REQUEST['act'] == 'info'里的$smarty->display('order_info.htm');可以知道输出的模板为order_info.htm, </span><br><span>打开order_info.htm,找到<td>{$goods.goods_attr|nl2br}</td>,替换为: </span></p>
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<p>
<span><u>复制代码</u></span></p>
<p>
代码如下:</p>
</div>
<p>
<br>
<td> <br>
{$goods.goods_attr|nl2br} <br><br>
<!--{if $goods.content}--> <br>
备注信息:{$goods.content} <br>
<!--{/if}--> <br>
</td> </p>
<p>
<span> </span><br><span>后台订单查看部分完成! </span></p>
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