mycase.java

基于java的医院门诊管理系统

package crqs.servlets.client;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;

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.dboperation.Patient;
import crqs.exceptions.RecordsNotExistException;
import crqs.infobeans.CaseInfo;
import crqs.util.NavBar;

public class MyCase 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;
		NavBar nb=(NavBar)hs.getAttribute("navbar");
			try {
				Patient pat = (Patient) hs.getAttribute("validUser");
				CaseInfo ci = pat.getCase(request.getParameter("caseNO"));
				request.setAttribute("result", ci);			
				nb.to("<span class='gray'>详细病历</span>");
				request.getRequestDispatcher("case.jsp").forward(request,
						response);
				return;
			} catch (SQLException e) {
				message = "数据库出错!";
			} catch (RecordsNotExistException e) {
				message = "病历尚未完成!";
			}
		
		hs.setAttribute("message", message);
		hs.setAttribute("url", nb.generate());
		response.sendRedirect(response.encodeRedirectURL("/CRQS/message.jsp"));
	}

}