复制代码 代码如下:

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var ga=document.createElement(\'script\');ga.type?=?\'text/javascript\';?ga.async?=?true;
ga.src?=?(\'https:\'?==?document.location.protocol???\'https://ssl\'?:?\'http://www\')?+?\'.google-analytics.com/ga.js\';
    var?s?=?document.getElementsByTagName(\'script\')[0];?
    s.parentNode.insertBefore(ga,?s);