caseinformation.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 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.infobeans.CaseInfo;
import crqs.util.NavBar;


public class CaseInformation 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();
		NavBar nb=(NavBar)hs.getAttribute("navbar");
		String message = null;
		String caseNO=request.getParameter("caseNO").trim();
			try {
				Doctor dctr = (Doctor) hs.getAttribute("validUser");
				CaseInfo ci = dctr.getCase(caseNO);
				request.setAttribute("result", ci);
				nb.to("<a href='/CRQS/doctor/CaseInformation?caseNO="+caseNO+"' class='left'>详细病历</a>");
				request.getRequestDispatcher("case.jsp").forward(request,
						response);
				return;
			} catch (SQLException e) {
				message = "数据库出错!";
			} catch (RecordsNotExistException e) {
				message = "病历不存在!";
			}
		
		hs.setAttribute("message", message);
		hs.setAttribute("url", nb.generate());
		response.sendRedirect(response.encodeRedirectURL("/CRQS/message.jsp"));
	}

}