加到head中

		
  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";
		
		

让浏览器发送no-cache头,只需Ctrl+f5刷新