useraction.java

网上购物系统struts+spring+hibernate实现

package com.sdi0708.bdifn.bookstore.web.struts.action;

import java.util.Date;
import java.util.List;

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

import org.apache.commons.beanutils.BeanUtils;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import com.sdi0708.bdifn.bookstore.domain.User;
import com.sdi0708.bdifn.bookstore.service.IUserService;
import com.sdi0708.bdifn.bookstore.service.util.PageForm;

/**
 * 用户模块的action
 * @author 吴承志
 *
 */
public class UserAction extends BaseAction {
	/**
	 * 通过依spring注入一个userService,单例模式的,线程安全
	 */
	private IUserService userService;
	
	
	public void setUserService(IUserService userService) {
		this.userService = userService;
	}

	
	public ActionForward register(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		User user = new User();
		BeanUtils.copyProperties(user, form);
		if(userService.isExsits(user.getUid())) {
			ActionMessages errors = new ActionMessages();
			errors.add("uid",new ActionMessage("page.user.register.uid.exsits"));
			saveErrors(request, errors);
			return mapping.findForward("error");
		} 
		//设置当前注册时间
		user.setCreateTime(new Date());
		userService.addUser(user);
		return mapping.findForward("success");
	}
	public ActionForward ajaxCheckUserExsits(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		String uid = request.getParameter("uid");
		String msg = null;
		if(userService.isExsits(uid)) {
			msg = "exsits";
		} else {
			msg = "ok";
		}
		request.setAttribute("msg", msg);
		return mapping.findForward("success");
	}
	
	public ActionForward modify(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		User user = new User();
		BeanUtils.copyProperties(user, form);
		userService.modifyUser(user);
		request.getSession().setAttribute("user", user);
		return mapping.findForward("success");
	}
	
	/**
	 * 用户登陆处理
	 */
	public ActionForward login(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		User user = new User();
		BeanUtils.copyProperties(user, form);
		
		User u = userService.verifyUser(user.getUid(), user.getPassword());
		if(u != null) {
			request.getSession().setAttribute("user", u);
			return mapping.findForward("success");
		}
		ActionMessages errors = new ActionMessages();
		errors.add("invalid",new ActionMessage("page.user.login.invalid"));
		saveErrors(request, errors);
		return mapping.findForward("error");
	}
	
	
	public ActionForward logout(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		//取得session
		HttpSession session = request.getSession();
		//删除用户属性
		session.removeAttribute("user");
		//使会话失效
		session.invalidate();
		return mapping.findForward("success");
	}
	/**
	 * 管理员查找所有用户处理
	 */
	public ActionForward findAll(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		PageForm pf = new PageForm();
		
		int currentPage = 0;
		try {
			currentPage = Integer.parseInt(request.getParameter("currentPage"));
		} catch(NumberFormatException e) {
			currentPage = 1;
		}
		
		int pageSize = 5;
		int  recordCount = userService.getUserCount();
		pf.init(pageSize, recordCount);
		pf.setCurrentPage(currentPage);
		
		List<User> users = userService.findAllUsers((currentPage - 1) * pageSize, pageSize);
		request.setAttribute("users", users);
		request.setAttribute("pageForm", pf);
	
		return mapping.findForward("success");
	}
	
	/**
	 * 用户登陆处理
	 */
	public ActionForward deleteById(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		//不需捕获异常,使用声明式管理.如果ID号不正确,则系统出错.
		int id = Integer.parseInt(request.getParameter("id"));
		userService.deleteById(new Long(id));
		
		return mapping.findForward("success");
	}
}