我有一个无法修改的大型 HTML 表格，如果方向仅为横向，我想在打印时在每行后放置分页符。
我创建了一个小测试页面来寻求解决方案。
此代码在 Firefox 46.0 下按预期工作，但在 Chrome 51 下则完全无法正常工作。
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>CSS print media query test</title>
<style>
body {
font-family: arial,sans;
}
table {
margin: 0 auto;
}
table tr {
height: 500px;
vertical-align: top;
}
table td {
border: 1px solid #23ffff;
background-color: #edffff;
padding: 15px;
cell-spacing: 5px;
}
@media print and (orientation:landscape) {
table tr {
page-break-after: always !important;
}
}
</style>
</head>
<body>
<table>
<tr>
<td>$i is 1 and $j is 1</td>
<td>$i is 1 and $j is 2</td>
<td>$i is 1 and $j is 3</td>
<td>$i is 1 and $j is 4</td>
</tr>
<tr>
<td>$i is 2 and $j is 1</td>
<td>$i is 2 and $j is 2</td>
<td>$i is 2 and $j is 3</td>
<td>$i is 2 and $j is 4</td>
</tr>
<tr>
<td>$i is 3 and $j is 1</td>
<td>$i is 3 and $j is 2</td>
<td>$i is 3 and $j is 3</td>
<td>$i is 3 and $j is 4</td>
</tr>
<tr>
<td>$i is 4 and $j is 1</td>
<td>$i is 4 and $j is 2</td>
<td>$i is 4 and $j is 3</td>
<td>$i is 4 and $j is 4</td>
</tr>
</table>
</body>
</html>
这是一个测试页面，我通常不会将 CSS 放在标签中。
CSS 分页符属性仅适用于块级元素。添加display: block并根据需要调整间距。
@media print and (orientation:landscape) {
table tr {
display: block;
page-break-after: always;
}
}