<!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：
原文：http://www.cnblogs.com/0927wyj/p/5204425.html