浏览器后退刷新从服务器获取数据

设置缓存部分

<META HTTP-EQUIV="pragma" CONTENT="no-cache"> 
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate"> 
<META HTTP-EQUIV="expires" CONTENT="0">

 

js部分

<script>
if (window.name != "hasLoad") {
location.reload();
window.name = "hasLoad";
} else {
window.name = "";
}
</script>