<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head> <body> <?php
$a = "中国";
$b = "美国";
$c = "法国"; $aa = "n001";
$bb = "n002";
$cc = "n003"; ?>
<select>
<option value="<?php echo $aa;?>"><?php echo $a;?></option>
<option value="<?php echo $bb;?>"><?php echo $b;?></option>
<option value="<?php echo $cc;?>"><?php echo $c;?></option>
</select>
</body>
</html>
效果如图：
