转载：设置html页面不让浏览器缓存的方法_html/css_WEB-ITnose
本文是转载文章，只是方便自己记录。
在html页面head标签之间添加以下标识可以避免大多数浏览器缓存：
<meta http-equiv="Pragma" content="no-cache" /> <meta http-equiv="Cache-Control" content="no-cache" /><meta http-equiv="Expires" content="0" />
原文出处：http://my.oschina.net/wbo0801/blog/298968
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