这是使用qq网站用的js来实现省市区三级联动的。引用非常方便
前台:
<!DOCTYPE html>
<html>
<head>
<title>QQ JS省市区三级联动</title>
<!-- 直接使用QQ的省市区数据 -->
<!--
<script type=<span>"</span><span>text/javascript</span><span>"</span> src=<span>"</span><span>http://ip.qq.com/js/geo.js</span><span>"</span>></script>
-->
<script type=<span>"</span><span>text/javascript</span><span>"</span> src=<span>"</span><span>geo.js</span><span>"</span>></script>
</head>
<body >"</span><span>setup();preselect('陕西省');promptinfo();</span><span>"</span>>
<form>
<<span>select</span><span>class</span>=<span>"</span><span>select</span><span>"</span> name=<span>"</span><span>province</span><span>"</span> id=<span>"</span><span>s1</span><span>"</span>>
<option></option>
</<span>select</span>>
<<span>select</span><span>class</span>=<span>"</span><span>select</span><span>"</span> name=<span>"</span><span>city</span><span>"</span> id=<span>"</span><span>s2</span><span>"</span>>
<option></option>
</<span>select</span>>
<<span>select</span><span>class</span>=<span>"</span><span>select</span><span>"</span> name=<span>"</span><span>town</span><span>"</span> id=<span>"</span><span>s3</span><span>"</span>>
<option></option>
</<span>select</span>>
<input id=<span>"</span><span>address</span><span>"</span> name=<span>"</span><span>address</span><span>"</span> type=<span>"</span><span>hidden</span><span>"</span> value=<span>""</span> />
<input >"</span><span>alert(document.getElementById('address').value); return false;</span><span>"</span> type=<span>"</span><span>submit</span><span>"</span> value=<span>"</span><span>提交</span><span>"</span> />
</form>
<script>
<span>//</span><span>这个函数是必须的,因为在geo.js里每次更改地址时会调用此函数</span><span>function promptinfo()
{
</span><span>var</span> address = document.getElementById(<span>'</span><span>address</span><span>'</span><span>);
</span><span>var</span> s1 = document.getElementById(<span>'</span><span>s1</span><span>'</span><span>);
</span><span>var</span> s2 = document.getElementById(<span>'</span><span>s2</span><span>'</span><span>);
</span><span>var</span> s3 = document.getElementById(<span>'</span><span>s3</span><span>'</span><span>);
address.value </span>= s1.value + s2.value +<span> s3.value;
}
</span></script>
</body>
</html>后台用的是js。
实例下载:http://files.cnblogs.com/zjfree/qqJsAddress.rar
原文链接: http://www.cnblogs.com/zjfree/
以上就介绍了个人比较喜欢用的省市联动,包括了方面的内容,希望对PHP教程有兴趣的朋友有所帮助。
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