html中，表格内的单选框不能靠左显示，每个选框占用一行
代码：
<td colspan="2" align="left"> <input type="radio" name="u" value="1" checked/>一般<input name="u" value="2" type="radio"/>比较紧急<input name="u" type="radio" value="3"/>非常紧急 </td>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>
RunJS 演示代码
</title>
<style>
table{
margin:auto;
border:1px solid black;
border-collapse:collapse;
}
td {
border:1px solid black;
width: 200px;
}
</style>
</head>
<body>
<table>
<tr>
<td>
hello
</td>
<td>
<input type="radio" />
11<br / >
<input type="radio"/>
22<br />
<input type="radio" />
33
</td>
</tr>
</table>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>
RunJS 演示代码
</title>
<style>
table{
margin:auto;
border:1px solid black;
border-collapse:collapse;
}
td {
border:1px solid black;
width: 200px;
}
</style>
</head>
<body>
<table>
<tr>
<td>
hello
</td>
<td>
<input type="radio" />
11<br / >
<input type="radio"/>
22<br />
<input type="radio" />
33
</td>
</tr>
</table>
</body>
</html>
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