monthrecorddo.java

简单的餐厅管理系统

package controller.monthRecord;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Hashtable;

import javax.servlet.RequestDispatcher;
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 beans.DailyRecord;
import beans.MonthRecord;

public class MonthRecordDo extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public MonthRecordDo() {
		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 {

		response.setContentType("text/html");
		request.setCharacterEncoding("GBK");
		HttpSession mySession = request.getSession();
		String action = (String)request.getParameter("action");
		int type = 0;
		if(mySession.getAttribute("type")!= null){
			type = Integer.parseInt(mySession.getAttribute("type").toString());
		}
		if(action == null){
			action = "";
		}
		if(type != 1){
			mySession.setAttribute("errorMsg", "您不具有操作权限");
			RequestDispatcher rd = getServletContext().getRequestDispatcher("/main.jsp");
			rd.forward(request, response);
			return;
		}
		
		int year = 0;
		if(request.getParameter("year") != null){
			year = Integer.parseInt(request.getParameter("year"));
			System.out.print(year);
		}
	
		int month = 0;
		if(request.getParameter("month") != null){
			month = Integer.parseInt(request.getParameter("month"));
			System.out.print(month);
		}
		
		MonthRecord query = new MonthRecord();
		query.setYear(year);
		query.setMonth(month);
		String errorMsg = query.getMonthMaterial();
		
		Hashtable h = query.getH();
		
		//设置request的时间属性
		request.setAttribute("year", year);
		request.setAttribute("month", month);
		request.setAttribute("queryMethod","queryMain");
		
		request.setAttribute("totalMoney", h.get("money"));
		request.setAttribute("totalPeople", h.get("numberOfMan"));
		request.setAttribute("materials", h.get("materials"));
		
		mySession.setAttribute("errorMsg", errorMsg);
		RequestDispatcher rd = getServletContext().getRequestDispatcher("/admin/monthReport/monthshow.jsp");
		rd.forward(request, response);
	}

	/**
	 * 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 {

		doGet(request,response);
	}

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

}