loginaction.java

图书管理系统

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.1.0/xslt/JavaClass.xsl

package fuguo.yy1.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.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import fuguo.yy1.dto.User;
import fuguo.yy1.bo.UserBO;
import fuguo.yy1.form.UserForm;

/** 
 * MyEclipse Struts
 * Creation date: 03-07-2007
 * 
 * XDoclet definition:
 * @struts.action path="/adminLogin" name="adminLoginForm" input="/admin/adminLogin.jsp" scope="request" validate="true"
 */
public class LoginAction extends Action {

	// --------------------------------------------------------- Instance Variables

	// --------------------------------------------------------- Methods

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


		//获取视图层的数据，并封装为Bean
		UserForm loginForm = (UserForm) form;
		User user=new User();
		user.setUserName(loginForm.getUserName());
		user.setPassWord(loginForm.getPassWord());
		
		//调用业务逻辑层
		try{
			User obj=UserBO.loginValidate(user);
			
			if(obj.getUserName().equals("admin")){
				//根据业务逻辑层的返回值响应后台管理页面
				if(obj!=null){
					//将管理员信息保存到session中				
					HttpSession session=request.getSession();
					session.setAttribute("USER",obj);
					return mapping.findForward("success");
				}else{
					request.setAttribute("loginError",new Exception("用户名或密码错误！"));
					return mapping.findForward("error");
				}
			}else{
				//根据业务逻辑层的返回值响应用户页面
				if(obj!=null){
					//将普通用户信息保存到session中				
					HttpSession session=request.getSession();
					session.setAttribute("USER",obj);
					return mapping.findForward("success");
				}else{
					request.setAttribute("loginError",new Exception("用户名或密码错误！"));
					return mapping.findForward("error");
				}
			}
			
		}catch(Exception e){
			request.setAttribute("loginError",new Exception("用户名或密码错误！"));
			return mapping.findForward("error");
		}
	}
	
}