休假申请管理系统（java jsp）

package servlet; import java.io.IOException; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import dao.FurloughApplyDao; import entity.FurloughApply; public class AddFurloughApplyServlet extends HttpServlet { /** * */ private static final long serialVersionUID = 1L; /** * Constructor of the object. */ public AddFurloughApplyServlet() { 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 { 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 { response.setCharacterEncoding("UTF-8"); String proposer = request.getParameter(""); String dept = request.getParameter(""); Date applydate = null; Date starttime = null; Date lasttime = null; SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); String ad = request.getParameter("applydate"); try { applydate = format.parse(ad); } catch (ParseException e) { e.printStackTrace(); } format = new SimpleDateFormat("yyyy-MM-dd HH24:mm"); String st = request.getParameter("starttime"); try { starttime = format.parse(st); } catch (ParseException e) { e.printStackTrace(); } String lt = request.getParameter("lasttime"); try { lasttime = format.parse(lt); } catch (ParseException e) { e.printStackTrace(); } String type = request.getParameter("type"); FurloughApply f = new FurloughApply(proposer, dept, applydate, starttime, lasttime, type); FurloughApplyDao dao = new FurloughApplyDao(); int i = dao.insert(f); if (i > 0) { request.getSession().setAttribute("msg", "<script language='javascript'>alert('申请成功!');</script>"); response.sendRedirect("showAllFurloughApplyServlet"); } else{ request.getSession().setAttribute("msg", "<script language='javascript'>alert('申请失败!');</script>"); response.sendRedirect("add.jsp"); } } /** * Initialization of the servlet. <br> * * @throws ServletException * if an error occurs */ public void init() throws ServletException { // Put your code here } }