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PHP+Ajax实时自动检测是否联网的方法

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Release: 2016-06-06 20:02:39
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这篇文章主要介绍了PHP+Ajax实时自动检测是否联网的方法,通过Ajax调用连接百度效果实现检测网站是否联网的功能,需要的朋友可以参考下

本文实例讲述了PHP+Ajax实时自动检测是否联网的方法。分享给大家供大家参考。具体实现方法如下:

html部分代码:

PHP+Ajax实时自动检测是否联网

PHP+Ajax实时自动检测是否联网

当前网络状态:

php部分代码:

public function getNetLink(){ header("cache-control:no-cache,must-revalidate"); header("Content-Type:text/html;charset=utf-8"); $file=fopen("http://www.baidu.com/", "r"); if (!$file){ $shownetlink = "网络连接失败"; }else{ $shownetlink = "网络连接正常"; } echo $shownetlink; }

希望本文所述对大家的php程序设计有所帮助。

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