updatepetservlet_result.java

宠物医院 JSP项目 我是一个初学者 请大家多多指教

package servlet;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import da0.Petdao;
import dto.*;


public class UpdatePetServlet_result extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";

    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        response.setContentType(CONTENT_TYPE);
        PrintWriter out = response.getWriter();
        if(request.getParameter("action").equals("update")){
            int pid = Integer.parseInt(request.getParameter("pid"));
            String pname = request.getParameter("pname");
            String birth = request.getParameter("b_date");
            int typeid = Integer.parseInt(request.getParameter("type"));
            int ownersid = Integer.parseInt(request.getParameter("oname"));
            Petdao petdao = new Petdao();
            if (petdao.UpdatePets(pid, pname, birth, typeid, ownersid)) {
                Ownersdto ownersdto = petdao.search(pid);
                if (!ownersdto.equals("")) {
                    request.setAttribute("ownersdto", ownersdto);
                    request.getRequestDispatcher("view/pname_search.jsp").
                            forward(
                                    request, response);
                }

            }
        }else{
            int pid = Integer.parseInt(request.getParameter("pid"));
            Petdao petdao = new Petdao();
            Ownersdto ownersdto = petdao.search(pid);
                if (!ownersdto.equals("")) {
                    request.setAttribute("ownersdto", ownersdto);
                    request.getRequestDispatcher("view/pname_search.jsp").
                            forward(
                                    request, response);
                }

        }
        out.close();
    }

    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        doGet(request, response);
    }

    //Clean up resources
    public void destroy() {
    }
}