尝试找到解决我的问题的方法 我有2张桌子...
第一个包含客户 ID 和姓名、电话、地址...等
第二个表包含客户交易，如 ID、发票编号、金额、日期...等
我制作 html 表包含客户 ID 和（模态）按钮...当单击此按钮时，应该弹出模态窗口并显示此客户交易（当然通过 SQL 过滤）
点击按钮时出现模态窗口不出现的问题........................ 问候
<?php
include "dbConn.php";
?>
<html>
<head>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<table class="table table-bordered table-striped">
<th>
<tr class="btn-primary">
<th>id</th>
<th>Action</th>
</tr>
</th>
<?php
$result = mysqli_query($conn,"select id from customers ");
while($row = mysqli_fetch_array($result))
{
?>
<tr>
<td><?php echo $row['id']; ?></td>
<td><button type="button" name = "filt" class="btn btn-info" data-toggle="modal" data-target="#myModal<?php echo $row['id'] ?>">Details</button></td>
</tr>
<?php
}
?>
</table>
<div id="myModal<?php
echo $row['id'];
$x= $row['id'];
?>" class="modal fade" role="dialog">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
</div>
<div class="modal-body">
<table class="table table-bordered table-striped" style=" border-collapse: collapse; width: 100%; margin-top : 60px; color: black; text-align: center; " border="4" >
<tr>
<th class="not_mapped_style" style="text-align:center"> ID </th>
<th class="not_mapped_style" style="text-align:center"> Date</th>
<th class="not_mapped_style" style="text-align:center">Reference</th>
<th class="not_mapped_style" style="text-align:center">Amount</th>
</tr>
<?php
$records = mysqli_query($conn,"select * from trans where id = $x ");
while($data = mysqli_fetch_array($records))
{
?>
<tr>
<td> <?php echo $data['id']; ?></td>
<td> <?php echo $data['date']; ?></td>
<td> <?php echo $data['invNO']; ?></td>
<td> <?php echo $data['amount']; ?></td>
</tr>
<?php
}
?>
</table>
</div>
</div>
</div>
</div>
如果在 body 关闭之前加载 js 文件，它的性能是否会更好？