省市区三级联动—PCASClass

<script type=‘text/javascript‘ src=‘__PUBLIC__/Js/PCASClass.js‘></script>

<label for=""><span class=‘red‘>*</span>所在地：</label>
　　<select name="province"></select>　　<!--省-->
　　<select name="city"></select>　　　　 <!--市-->
　　<select name="area"></select>　　　　 <!--区-->

/**
　*　前面三个参数是select框的name值，绑定作用。　
　*　后面三个参数是页面加载后的默认值，此处我们是从数据库拿来的
 */
var province = "{$user.location.0}"; 
var city = "{$user.location.1}";
var area = "{$user.location.2}";
new PCAS("province","city","area",province,city,area);