通过session传递值

来源:互联网 发布:js中addeventlistener 编辑:程序博客网 时间:2024/06/06 17:48
需要导入的包:
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
将值放入session:
HttpSession session = request.getSession();
session.setAttribute(USER_NAME,userName);
取出session中的值:
HttpSession session=request.getSession();
String username=(String)session.getAttribute(USER_NAME);
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