java设置session
HttpSession session = request.getSession();
session.setAttribute("saveName", "11111111");
jsp 获取
<form action="Appear.jsp" method="get" name="form1">
<%
HttpSession sessions=request.getSession();
String sessionValues=sessions.getAttribute("saveName");
%>
从Session中取出值:<%=sessionValues %>
<br />
<input type="submit" name="submit" value="超链接" >
</form>