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  易语言使用host方法屏蔽优酷广告源码例程程序将host屏蔽代码写到系统目录中。即给要屏蔽的网站设置一个对应的IP地址，使之不能打开真正的网站。 Hosts是一个没有扩展名的系统文件，可以用记事本等工具打开，其作用就是将一些常用的网址域名与其对应的IP地址建立一个关联“数据库”(Easy language uses the host method to shield Youku advertising source code routines, host shielding code is written to the system directory. That is to set a corresponding IP address for the website to be shielded, so that it can not open the real website. Hosts is a system file without an extension. It can be opened with notepad and other tools. The function is to establish an association "database" with some commonly used URL domain names and their corresponding IP addresses.)