loginaction.java

用java三大框架和mysql开发的网上购物系统

package com.bookshop.action;

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

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 com.bookshop.entity.User;
import com.bookshop.form.LoginForm;
import com.bookshop.service.UserServiceImpl;

/**
 * 业务Action,业务逻辑层
 * 
 * @author Administrator
 * 
 */
public class LoginAction extends Action {
	
	/**
	 * 响应http请求，注意，要重写相应的execute方法
	 */
	
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		
		LoginForm loginForm = (LoginForm) form;
		// 调用业务逻辑方法
		UserServiceImpl us = new UserServiceImpl();
		User user = us.login(loginForm.getLoginId(), loginForm.getPassword());
		
		if (user!=null) {
			//将user对象,置入session
			request.getSession().setAttribute("userInfo",user);

			//设置成功信息
			request.setAttribute("action_message",loginForm.getLoginId());
			
			return mapping.findForward("success");
		}
		
		return mapping.findForward("error");
	}
	
}