- 编写jsp代码将request中的值以Attribute的形式存在
<%
String username = request.getParameter("username");
request.setAttribute("username",username);
%>
- 通过${username}访问
<input type="hidden" name="username" value="${username}">
<%
String username = request.getParameter("username");
request.setAttribute("username",username);
%>
<input type="hidden" name="username" value="${username}">