workoutbillservlet.java

酒店管理系统

package servlet;

import java.io.IOException;
import java.io.PrintWriter;
import database.connectDB;
import javabean.excuteWork;
import java.sql.ResultSet;
import java.sql.*;

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

public class workOutBillServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public workOutBillServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {


	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		response.setContentType("text/html;charset=GBK");
		PrintWriter out = response.getWriter();
		//String identifierID = request.getParameter("username");
		String identifierID = request.getParameter("id");
		//String error="是不是";
		//error = new String(error.getBytes("ISO8859-1"), "GBK");
		if(identifierID == ""){
			response.sendRedirect("/hotel/payTheBill.jsp?errMsg=Please enter the identifierID!");
		}else{
		excuteWork wdb = new excuteWork();
		int dietPri=wdb.workOutDietBill(identifierID);
		
		if(dietPri==-1){
			response.sendRedirect("/hotel/payTheBill.jsp?errMsg=The customer doesn't exists!");
		}else{
			//out.print("您的饮食消费一共是：" + dietPri);
			int roomPri=wdb.workOutRoomBill(identifierID);
			String vip=wdb.vipQuery(identifierID);
			int orderMoney=wdb.orderMoneyQuery(identifierID);
		    //out.print("您的住宿消费一共是：" + orderMoney);
		    //out.print("您的住宿消费一共是：" + vip);
		    HttpSession session=request.getSession();
		    session.setAttribute("dp", dietPri);
		    session.setAttribute("rp", roomPri);
		    session.setAttribute("id", identifierID);
		    session.setAttribute("om", orderMoney);
		    session.setAttribute("vip", vip);
		    
		    float i=0.0f;
		    if(session.getAttribute("vip").equals("是")) 
		      {i=0.8f;
		      }else{
		      i=1.0f;
		      }
		    float allbill=(dietPri+roomPri-orderMoney)*i;
		    session.setAttribute("ab", allbill);
		    
		    
		    response.sendRedirect("/hotel/ViewBill.jsp");
		}
		}
		
		
		//int id=Integer.parseInt(identifierID);
	
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occure
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}