PHP禁用客户端缓存

来源:互联网 发布:北京有mac专柜吗 编辑:程序博客网 时间:2022/01/21 21:37

对于这种问题你可以强制设置网页不在客户端缓存, 这样就可以保证每次打开这个页面都是最新的

HTML
<META HTTP-EQUIV="pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
<META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1978 08:21:57 GMT">


ASP
<%
Response.Expires = -1
Response.ExpiresAbsolute = Now() - 1
Response.cachecontrol = "no-cache"
%>


PHP
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");


JSP
response.setHeader("Pragma","No-Cache");
response.setHeader("Cache-Control","No-Cache");
response.setDateHeader("Expires", 0);


C#中禁止cache的方法!
Response.Buffer=true;
Response.ExpiresAbsolute=System.DateTime.Now.AddSeconds(-1);
Response.Expires=0;
Response.CacheControl="no-cache";

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