rateandmark.java

基于java的医院门诊管理系统

package crqs.servlets.doctor;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Date;

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 crqs.dboperation.Doctor;
import crqs.exceptions.RecordsNotExistException;
import crqs.util.DateConvert;
import crqs.util.FormatDouble;
import crqs.util.NavBar;
import crqs.util.Page;
import crqs.util.RateCollection;

public class RateAndMark extends HttpServlet {

	/**
	 * 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 {

		doPost(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 {

		HttpSession hs = request.getSession();
		String message = null;
		Doctor dctr = (Doctor) hs.getAttribute("validUser");
		String fyear = request.getParameter("fyear");
		String fmonth = request.getParameter("fmonth");
		String fdate = request.getParameter("fdate");
		String tyear = request.getParameter("tyear");
		String tmonth = request.getParameter("tmonth");
		String tdate = request.getParameter("tdate");
		Date from = DateConvert.parse(fyear + "-" + fmonth + "-" + fdate);
		Date to = DateConvert.parse(tyear + "-" + tmonth + "-" + tdate);
		try {
			try {
				RateCollection rc = dctr.getResRate(from, to);
				rc.setLines(5);
				String index = request.getParameter("index");
				ArrayList results = null;
				if (index == null)
					results = rc.gotoFirst();
				else
					results = rc.indexof(Integer.parseInt(index));
				request.setAttribute("results", results);
				request.setAttribute("count", new Integer(rc.getPages()));
				request.setAttribute("current",
						new Integer(rc.getCurrentPage()));
				request.setAttribute("avRate", FormatDouble.formatDouble(rc
						.getAvRate(), 2));
				request.setAttribute("display", "y");
			} catch (RecordsNotExistException e) {
				request.setAttribute("count", new Integer(0));
				request.setAttribute("display", "y");
			}
			try {
				double m=dctr.getMark(from, to);
				request.setAttribute("mark", FormatDouble.formatDouble(m, 1));
				request.getRequestDispatcher("rate_mark.jsp").forward(
						request, response);
				return;
			} catch (RecordsNotExistException e) {
				request.setAttribute("mark", "当前没有评分");
				request.getRequestDispatcher("rate_mark.jsp").forward(
						request, response);
				return;
			}
		} catch (SQLException e) {
			message="数据库出错!";
		}
		hs.setAttribute("message", message);
		hs.setAttribute("url", "/CRQS/doctor/ReservationToday");
		response.sendRedirect(response.encodeRedirectURL("/CRQS/message.jsp"));
	}

}