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是否HTML标签:HTML <meta>标签和鱿鱼
<META http-equiv="Cache-Control" content="no-cache">
<META http-equiv="expires" content="0">
<META http-equiv="Pragma" content="no-cache">
还指示鱿鱼不缓存特定页面?还是只告诉用户的浏览器不要在他/她的机器上本地缓存?