Javascript 检索内部的产品id
如何在modal_product_扩展中检索product_id 它返回模态_产品_扩展名“Shoes” 提前谢谢!!: 这是我的密码:Javascript 检索内部的产品id,javascript,php,Javascript,Php,如何在modal_product_扩展中检索product_id 它返回模态_产品_扩展名“Shoes” 提前谢谢!!: 这是我的密码: function show_products() { GLOBAL $db_conn; $search_query="SELECT p.*, pe.* FROM tblproduct p JOIN (SELECT p.product_id, MIN(pe.product_extension_id) AS product_exte
function show_products() {
GLOBAL $db_conn;
$search_query="SELECT p.*, pe.* FROM tblproduct p JOIN (SELECT p.product_id, MIN(pe.product_extension_id) AS product_extension_id FROM tblproduct p LEFT JOIN tblproduct_extension pe ON pe.product_id = p.product_id GROUP BY product_id) product_unique LEFT JOIN tblproduct_extension pe ON pe.product_extension_id = product_unique.product_extension_id WHERE p.product_id = product_unique.product_id";
$query = mysqli_query($db_conn, $search_query);
while($row = mysqli_fetch_array($query)) {
$status = ($row['product_stocks'] == 0) ? '<label class="label label-danger">Out of stocks</label>' : '<label class="label label-success">In stocks</label>';
?>
<tr>
<td><?=$row['product_name']?></td>
<td><?=$row['product_brand']?></td>
<td>category</td>
<td>₱<?=number_format($row['product_price'], 2)?></td>
<td><?=$row['product_size']?></td>
<td><?=$row['product_stocks']?></td>
<td><?=$status?></td>
<td align="center">
<a onclick="modal_product_extension('<?=$row['product_id']?>', '<?=$row['category_name']?>')">
<i class="fa fa-plus fa-lg"></i>
</a>
</td>
<td align="center">
<a onclick="modal_add_image('<?=$row['product_id']?>', '<?=$row['product_brand']?>')">
<i class="fa fa-picture-o fa-lg"></i>
</a>
</td>
<td align="center"><a onclick="edit_product_by_id('<?=$row['product_id']?>')"><i class="fa fa-pencil fa-lg"></i></a></td>
<td align="center"><a onclick="delete_product_by_id('<?=$row['product_id']?>')"><i class="fa fa-times fa-lg"></i></a></td>
</tr>
<?php
}
}
获取sql语句并运行它以确保没有返回多个product_id,这就是关联数组无法按预期工作的原因
解决方案是为其提供一个在同一查询中未使用的别名您应该为product_id字段使用别名,并在PHP代码中引用该别名,因为字段名不唯一,它在两个联接表中都存在: 所以你的功能变成了:
function show_products() {
GLOBAL $db_conn;
$search_query="SELECT p.product_id as P_ID, p.*, pe.* FROM tblproduct p JOIN (SELECT p.product_id, MIN(pe.product_extension_id) AS product_extension_id FROM tblproduct p LEFT JOIN tblproduct_extension pe ON pe.product_id = p.product_id GROUP BY product_id) product_unique LEFT JOIN tblproduct_extension pe ON pe.product_extension_id = product_unique.product_extension_id WHERE p.product_id = product_unique.product_id";
$query = mysqli_query($db_conn, $search_query);
while($row = mysqli_fetch_array($query)) {
$status = ($row['product_stocks'] == 0) ? '<label class="label label-danger">Out of stocks</label>' : '<label class="label label-success">In stocks</label>';
?>
<tr>
<td><?=$row['product_name']?></td>
<td><?=$row['product_brand']?></td>
<td>category</td>
<td>₱<?=number_format($row['product_price'], 2)?></td>
<td><?=$row['product_size']?></td>
<td><?=$row['product_stocks']?></td>
<td><?=$status?></td>
<td align="center">
<a onclick="modal_product_extension('<?=$row['P_ID']?>', '<?=$row['category_name']?>')">
<i class="fa fa-plus fa-lg"></i>
</a>
</td>
<td align="center">
<a onclick="modal_add_image('<?=$row['product_id']?>', '<?=$row['product_brand']?>')">
<i class="fa fa-picture-o fa-lg"></i>
</a>
</td>
<td align="center"><a onclick="edit_product_by_id('<?=$row['product_id']?>')"><i class="fa fa-pencil fa-lg"></i></a></td>
<td align="center"><a onclick="delete_product_by_id('<?=$row['product_id']?>')"><i class="fa fa-times fa-lg"></i></a></td>
</tr>
<?php
}
}
我假设您的回复中有多个product_id,您是否可以通过触发数据库查询来检查相同的id。您为什么需要检索它?谢谢兄弟!: