loginaction.java

此项目是实现,增加,删除,修改,查询图书数据库的功能

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.hevttc.book.web.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.hevttc.book.dao.BookDao;
import com.hevttc.book.domain.Userinfo;
import com.hevttc.book.factory.Factory;
import com.hevttc.book.service.UserService;
import com.hevttc.book.service.imp.UserServiceImp;
import com.hevttc.book.web.form.LoginForm;

/**
 * MyEclipse Struts Creation date: 10-15-2007
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/login" name="loginForm" input="/logon.jsp"
 *                scope="request" validate="true"
 */
public class LoginAction extends Action {
	/*
	 * Generated Methods
	 */

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {

		LoginForm loginForm = (LoginForm) form;
		
		//根据工厂获得实现类
		UserService userservice=(UserService) Factory.getImp("userserviceimp");		
		Userinfo user = userservice.getUserInfo(loginForm.getUsername(), loginForm
				.getPassword());
		HttpSession session = request.getSession();

		if (user != null) {

			//登录成功后把用户信息放入session中
			session.setAttribute("user",user);
			session.setAttribute("username", loginForm.getUsername());
			if (user.getAuthority().equals("A")) {
				session.setAttribute("authority", "管理员");
			} else {
				session.setAttribute("authority", "普通用户");
			}

			return mapping.findForward("success");

		} else {

			ActionErrors errors = new ActionErrors();
			errors.add("login", new ActionError("error.login"));			
			saveErrors(request, errors);
			return mapping.getInputForward();

		}

	}
}