accoutservlet.java

Java购物车及JSTL的应用

package org.qhit.li.store.servlet;

import java.io.IOException;
import java.io.PrintWriter;

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

import org.qhit.li.store.dao.AccoutDAO;
import org.qhit.li.store.dto.AccoutDTO;

public class AccoutServlet extends HttpServlet {

	/**
	 * 
	 */
	private static final long serialVersionUID = 4;

	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
			doPost(request, response);
		
	}

	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		
		HttpSession session=request.getSession();
		
		AccoutDAO dao=new AccoutDAO();
		String action=request.getParameter("action");
		
		//单个客服人员的信息
		session.removeAttribute("accout");
		//客服人员修改后的ID 
		session.removeAttribute("psd");
		
		/*检测客服人员登陆情况 */
		if(action!=null&&"login".equals(action)){
			String uname=request.getParameter("username");
			String upsd=request.getParameter("password");
			
			int sid=dao.checkAccout(uname, upsd);
			
			if(sid!=0){
				session.setAttribute("sid", sid);
				session.setAttribute("isLogin", "yes");
				response.sendRedirect("./Back/OrderDeal.jsp");
				return;
			}else {
				session.setAttribute("sid", 0);
				response.sendRedirect("./Stage/AdminLogin.jsp");
				return;
			}
			
		}
		
		
		/*客服人员将要修改信息*/
		if(action!=null&&"update".equals(action)){
			int sid=(Integer)session.getAttribute("sid");
			AccoutDTO dto=dao.selelctAccout(sid);
			session.setAttribute("accout", dto);
			response.sendRedirect("./Back/AdminUpdate.jsp");
			return;
		}
		
		
		/*客服人员确认修改信息*/
		if(action!=null&&"yesupdate".equals(action)){
			String psd=request.getParameter("password");
			int sid=(Integer)session.getAttribute("sid");
			int result=dao.updateAccout(sid, psd);
			if(result==0){
				session.setAttribute("yesa", "no");
			}else{
				session.setAttribute("yesa", "yes");
				session.setAttribute("psd",psd);
			}
			response.sendRedirect("./Back/AdminUpdate.jsp");
			return;
		}
		
		out.flush();
		out.close();
	}

}