例子：
<html>
<head>
<style type="text/css">
div.one
{
height:300px
writing-mode: tb-rl
}
</style>
</head>
<body>
<div class="one">Some text. Right-to-left direction111111111111.</div>
</body>
</html>
将class 放到<td>中，去掉<div>和</div>即可<html>
<head>
<title>HTML表格中竖排文字问题</title>
<style type="text/css">
<!--.tnt {Writing-mode:tb-rlText-align:leftfont-size:20pt}-->
</style>
</head>
<body>
<table border="1" width="300" height="600" style="color:red">
<tr height="300">
<td>
<div class="tnt">我爱中国</div>
</td>
</tr>
<tr>
<td class="tnt">
我爱中国
</td>
</tr>
</table>
</body>
</html>
