Spring3 註解 設置某控制器的統一的的訪問路徑

package com.smart.web.controller;
import java.util.Date;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.smart.cons.CommonConstant;
import com.smart.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import com.smart.domain.User;

@Controller
@RequestMapping("/login")//設置該控制器下的統一的訪問請求路徑。即要訪問如 /doLogin  前面必須加上  /login,即爲 /login/doLogin.html（url過濾後綴爲 .html）
public class LoginController extends BaseController {
	/**
	 * 自動注入
	 */
	@Autowired
	private UserService userService;

	/**
	 * 用戶登錄
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
    @RequestMapping("/doLogin")
	public ModelAndView login(HttpServletRequest request, HttpServletResponse response) {
		String userName = request.getParameter("userName");
		String password = request.getParameter("password");
		User user = userService.findUserByUserName(userName);
		if (user == null) {
			request.setAttribute("errorMsg", "用戶名不存在");
			return new ModelAndView("forward:/login.jsp");
		} else if (!user.getPassword().equals(password)) {
			request.setAttribute("errorMsg", "用戶密碼不正確");
			return new ModelAndView("forward:/login.jsp");
		} else {
            user.setLastIp(request.getLocalAddr());
            user.setLastVisit(new Date());
            userService.saveLoginInfo(user);
			setSessionUser(request,user);
			return new ModelAndView("success");
		}
	}

    /**
     *登錄註銷
     * @param session
     * @return
     */
    @RequestMapping("/doLogout")
    public String logout(HttpSession session) {
        session.removeAttribute(CommonConstant.USER_CONTEXT);
        return "forward:/index.jsp";
    }
}