useroptionsaction.java

用户可以登陆注册对房屋信息的增删改查功能

package com.qhit.kgdyffje.struts.action;

import java.io.PrintWriter;
import java.util.List;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;

import com.qhit.kgdyffje.hibernater.dao.UserinfoDAO;
import com.qhit.kgdyffje.struts.form.UserActionForm;
import com.qhit.kgdyffje.vo.Userinfo;

public class UserOptionsAction extends DispatchAction {

	/**
	 * 用户登录的Action处理方法
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public ActionForward LoginExecute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		
		UserActionForm loginActionForm = (UserActionForm) form;// TODO Auto-generated method stub
		
		//得到用户操作的业务对象
		UserinfoDAO userOption=new UserinfoDAO();
		
		HttpSession session=request.getSession();

		Userinfo ui=new Userinfo();
		ui.setUname(loginActionForm.getUserName());
		ui.setUpass(loginActionForm.getUserPwd());
		//根据用户名和密码进行查询返回List
		List list = userOption.findByExample(ui);
		if(null!=list&&(list.size()==1)){
			session.setAttribute("userInstance", ((Userinfo)list.get(0)));
			return mapping.findForward("login_success");
		}
		return mapping.findForward("login_failer");
		
	}
	/**
	 * 注册时　用户检测
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public ActionForward CheckUserExecute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		//得到用户操作的业务对象
		UserinfoDAO userOption=new UserinfoDAO();
		String name=request.getParameter("userName");
		if(null!=name){
			Userinfo u=new Userinfo();
			u.setUname(name);
			List list = userOption.findByExample(u);
			//用户输出到客户端
			PrintWriter out = response.getWriter();
			if(null!=list&&list.size()!=0){
				out.print("false");
			}else{
				out.print("true");
			}
			out.close();
		}
		
		return null;
	}
	
	/**
	 * 用户注册的Action处理方法
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public ActionForward RegisterExecute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		//实力化一个hibernate的用户持久化UserinfoDAO
		UserinfoDAO uidao=new UserinfoDAO();

		UserActionForm raf=(UserActionForm)form;
		
		Userinfo ub=new Userinfo();
		ub.setUserid(0);     //这里只是随便给一个值，真正插入数据库中的是由序列自动生成的
		ub.setUname(raf.getUserName());
		ub.setUpass(raf.getUserPwd());
		System.out.println(ub.getUname()+"-------------"+ub.getUpass());
		if(uidao.save(ub)){
			return mapping.findForward("register_success");
		}
		request.setAttribute("reg", "failer");
		return mapping.findForward("register_failer");
	}
	
	/**
	 * 注销用户
	 * 
	 */
	public ActionForward LogoutExecute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		HttpSession session=request.getSession();
		session.setAttribute("userInstance", null);
		return mapping.findForward("logout");
	}
}