只要将以下代码替换成“关注”链接，将UID后面的值替换成要关注人微博的ID即可
<iframe allowtransparency="" border="0" frameborder="0" height="22" marginheight="0" marginwidth="0" scrolling="no" src="http://widget.weibo.com/relationship/followbutton.php?width=200&height=22&uid=1697591620&style=5&btn=red&dpc=1" style="width: 64px; height: 22px;" width="200"></iframe>