长见但是一直不清楚具体的啊
--------------------------------ONE---------------------------------------
            <meta   http-equiv= "Pragma "   content= "no-cache ">
            <meta   http-equiv= "Cache-Control "   content= "no-cache ">
            <meta   http-equiv= "Expires "   content= "-1 ">
--------------------------------ONE--------------------------------------
           
--------------------------------Two---------------------------------------
<%
          response.setHeader( "Pragma ", "no-cache ");
        response.setHeader( "Cache-Control ", "no-cache ");
        response.setDateHeader( "Expires ",0);
       
%>
--------------------------------Two----------------------------------------

1   上面两个意思一样吗?如果同时写header文件里面是否就是重复?

2   <META   http-equiv= "Cache-Control "   content= "no-cache,no-store,must-revalidate,post-check=0,ptr-check=0 ">

这句什么意思




------解决方案--------------------
是的 这个是设置页面的请求方式，是否本地缓存等信息的
------解决方案--------------------
还没学jsp呢 学习一下