我遵循了与 Bootstrap 有关的数据表的基本教程，但它仅适用于硬编码数据。
如果我想动态显示它，如何让它工作？它正在显示它，但搜索和显示条目数不起作用。当它实际显示我的数据库中的 3 个数据时，它还说表中没有可用数据。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
<title>Bootstrap 101 Template</title>
<!-- Bootstrap -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<link href=" //maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
<link href="https://cdn.datatables.net/1.10.13/css/dataTables.bootstrap.min.css" rel="stylesheet">
</head>
<body>
<br/>
<hr/>
<?php
require_once("/dao/CategoryDAO.php");
require_once("/dao/TopicDAO.php");
$category = new CategoryDAO();
$topic = new TopicDAO();
$allCategories_arr = $category->getAllCategories();
$allTopics_arr = $topic->getAllTopicTitles();
?>
<div class="container">
<div class="row">
<table id="example" class="table table-striped table-bordered" cellspacing="0" width="100%">
<thead>
<tr>
<th>Category ID</th>
<th>Category Name</th>
<th>Action</th>
</tr>
<?php
foreach ($allCategories_arr as $ar) {
echo "<tr><th>".$ar['category_id']."</th><td>".$ar['categoryname']."</td><th><a href='ManageSubCategory.php?catid=".$ar['category_id']."'>Show Sub Categories</a></th></tr>";
}
?>
</thead>
<tbody>
</tbody>
</table>
</div>
</div>
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src="js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://cdn.datatables.net/1.10.13/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/1.10.13/js/dataTables.bootstrap.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$('#example').DataTable();
} );
</script>
</body>
</html>
最佳答案
快速修复，您应该关闭您的 <thead>在开始循环之前标记，并在 <tbody> 中显示结果一旦你进入 <tbody>你不使用 <th>标签了，你用你的<tr>'s and <td>'s
这就是您的代码应有的样子；
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
<title>Bootstrap 101 Template</title>
<!-- Bootstrap -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<link href=" //maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
<link href="https://cdn.datatables.net/1.10.13/css/dataTables.bootstrap.min.css" rel="stylesheet">
</head>
<body>
<br/>
<hr/>
<?php
require_once("/dao/CategoryDAO.php");
require_once("/dao/TopicDAO.php");
$category = new CategoryDAO();
$topic = new TopicDAO();
$allCategories_arr = $category->getAllCategories();
$allTopics_arr = $topic->getAllTopicTitles();
?>
<div class="container">
<div class="row">
<table id="example" class="table table-striped table-bordered" cellspacing="0" width="100%">
<thead>
<tr>
<th>Category ID</th>
<th>Category Name</th>
<th>Action</th>
</tr>
</thead>
<tbody>
<?php
foreach ($allCategories_arr as $ar) {
echo "<tr>";
echo "<td>".$ar['category_id']."</td>";
echo "<td>".$ar['categoryname']."</td>";
echo "<td><a href='ManageSubCategory.php?catid=".$ar['category_id']."'>Show Sub Categories</a>";
echo "</tr>";
}
?>
</tbody>
</table>
</div>
</div>
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src="js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://cdn.datatables.net/1.10.13/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/1.10.13/js/dataTables.bootstrap.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$('#example').DataTable();
} );
</script>
</body>
</html>
或者应该是这样的
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
<title>Bootstrap 101 Template</title>
<!-- Bootstrap -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<link href=" //maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
<link href="https://cdn.datatables.net/1.10.13/css/dataTables.bootstrap.min.css" rel="stylesheet">
</head>
<body>
<br/>
<hr/>
<?php
require_once("/dao/CategoryDAO.php");
require_once("/dao/TopicDAO.php");
$category = new CategoryDAO();
$topic = new TopicDAO();
$allCategories_arr = $category->getAllCategories();
$allTopics_arr = $topic->getAllTopicTitles();
?>
<div class="container">
<div class="row">
<table id="example" class="table table-striped table-bordered" cellspacing="0" width="100%">
<thead>
<tr>
<th>Category ID</th>
<th>Category Name</th>
<th>Action</th>
</tr>
</thead>
<tbody>
<?php
foreach ($allCategories_arr as $ar) :?>
<tr>
<td><?php echo $ar['category_id'] ;?></td>
<td><?php echo $ar['categoryname'];?></td>
<td><a href="ManageSubCategory.php?catid="<?php echo $ar['category_id'];?>">Show Sub Categories</a>
</tr>
<?php
endforeach;
?>
</tbody>
</table>
</div>
</div>
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src="js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://cdn.datatables.net/1.10.13/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/1.10.13/js/dataTables.bootstrap.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$('#example').DataTable();
} );
</script>
</body>
</html>
关于javascript - 如何在数据表中显示数据库中的数据，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/41720966/