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>