<script type="text/javascript">
$(function(){
//$('div里面a标签的class=名字')。attr（‘href’，‘路径已经后面带的参数’）
$('.a').attr('href','/meeting/register_personal/findSeatPhoto.do?actionId=meeting_register_details_findSeatPhoto®istrant_phone='+registrant_phone)
});
</script>
<body>
<div class="item">
<p class="adx"><a href="#"><a font-size:16px class="a" >查看座位图</a></a></p>
</div>
</body>