spa*_*n81 1 html javascript css caching version
许多人使用CSS和JS文件上的版本号来强制非缓存版本在发布更新时加载到网页上:
CSS范例:
<link rel="stylesheet" type="text/css" href="style.css?v=2017-03-17">
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JS示例:
<script type="text/javascript" src="js/myscript.js?v=2017-03-17"></script>
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我注意到,通过将版本号添加到css / js文件中,Web浏览器还将从头开始加载HTML文件(从中引用css / js文件),而不使用缓存的版本。
这是确保在所有Web浏览器中从头开始显示HTML文件的充分方法,还是有办法为HTML文件设置版本号,以确保不会从浏览器的浏览器中加载新更新的HTML文档。缓存?
通常,浏览器始终采用HTML的较新版本。
如果您希望防止任何缓存,可以使用以下技巧:
适用于最重要的浏览器的正确的最小标头集:
Run Code Online (Sandbox Code Playgroud)Cache-Control: no-cache, no-store, must-revalidate Pragma: no-cache Expires: 0的HTML
Run Code Online (Sandbox Code Playgroud)<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" /> <meta http-equiv="Pragma" content="no-cache" /> <meta http-equiv="Expires" content="0" />.htaccess(Apache)
Run Code Online (Sandbox Code Playgroud)<IfModule mod_headers.c> Header set Cache-Control "no-cache, no-store, must-revalidate" Header set Pragma "no-cache" Header set Expires 0 </IfModule>Java Servlet
Run Code Online (Sandbox Code Playgroud)response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate"); response.setHeader("Pragma", "no-cache"); response.setDateHeader("Expires", 0);的PHP
Run Code Online (Sandbox Code Playgroud)header('Cache-Control: no-cache, no-store, must-revalidate'); header('Pragma: no-cache'); header('Expires: 0');均价
Run Code Online (Sandbox Code Playgroud)Response.addHeader "Cache-Control", "no-cache, no-store, must-revalidate" Response.addHeader "Pragma", "no-cache" Response.addHeader "Expires", "0"ASP.NET
Run Code Online (Sandbox Code Playgroud)Response.AppendHeader("Cache-Control", "no-cache, no-store, must-revalidate"); Response.AppendHeader("Pragma", "no-cache"); Response.AppendHeader("Expires", "0");Ruby on Rails
Run Code Online (Sandbox Code Playgroud)response.headers['Cache-Control'] = 'no-cache, no-store, must-revalidate' response.headers['Pragma'] = 'no-cache' response.headers['Expires'] = '0'烧瓶上的Python
Run Code Online (Sandbox Code Playgroud)resp.headers["Cache-Control"] = "no-cache, no-store, must-revalidate" resp.headers["Pragma"] = "no-cache" resp.headers["Expires"] = "0"Google Go
Run Code Online (Sandbox Code Playgroud)responseWriter.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate") responseWriter.Header().Set("Pragma", "no-cache") responseWriter.Header().Set("Expires", "0")
来源:http : //cristian.sulea.net/blog.php?p=2014-01-14-disable-browser-caching-with-meta-html-tags