response.sendRedirect("test2.jsp");
window.location.reload("test2.jsp");
location.href("test2.jsp");
location.href="menuquery.php";
Javascript刷新页面的几种方法：
1 history.go(0)
2 window.location.reload()
window.location.reload(true)
3 location=location
4 location.assign(location)
5 document.execCommand(''Refresh'')
6 window.navigate(location)
7 location.replace(location)
8 document.URL=location.href
<jsp:forward page="mymd5.jsp" /> 两个页面享用的是同一个request