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UserDao userDao = new
UserDao();User u = userDao.login(user); <span style="color: rgb(0, 128, 0);">// 调用登录方法。</span>result = new
HashMap();if(u != null){ result.put("result", true); ServletActionContext.getRequest().getSession().setAttribute("user",u);}else{ result.put("result", false);} |
参考：http://hi.baidu.com/timer_ysh/item/460ccef6564c99cf531c2699
然后在jsp里获取session，如果为空，重定向到登录页面:
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User user = (User)session.getAttribute("user");if(user == null){ response.sendRedirect("login.jsp");}<span style="color: rgb(153, 51, 0);"><br></span> |
action里设置session,布布扣,bubuko.com
原文：http://www.cnblogs.com/skyeyh/p/3730288.html