Request与Session的存值取值

request域的存值:

request可以直接set进去

request.setAttribute("request", value);

request域的取值有两种方式:

"${request}"
------------
"${requestScope.request}"

或者想获取key值中某一个valueBean对象

"${request.name}"

session域的存值:

session需要先get一下获取session然后才能set进去key,value值

request.getSession().setAttribute("session", value);
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HttpSession session = request.getSession();
session.setAttribute("session", value);

session域的取值:

"${sessionScope.session}"