addpetservlet.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.Ownersdao;
import da0.Petdao;
import dto.*;

public class AddPetServlet 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 doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        response.setContentType(CONTENT_TYPE);
        PrintWriter out = response.getWriter();
        Petdao petdao = new Petdao();
        Ownersdao own = new Ownersdao();

        if (request.getParameter("action").equals("pid")) {
            int pid = Integer.parseInt(request.getParameter("pid"));
            Ownersdto ownersdto = petdao.search(pid);
            if (!ownersdto.equals("")) {
                request.setAttribute("ownersdto", ownersdto);
                request.getRequestDispatcher("view/pname_search.jsp").forward(
                        request, response);
            }
        } else if (request.getParameter("action").equals("oid")) {
            int oid = Integer.parseInt(request.getParameter("oid"));
            Ownersdto ownersdto = own.search(oid);
            if (!ownersdto.equals("")) {
                request.setAttribute("ownersdto", ownersdto);
                request.getRequestDispatcher("view/oname_search.jsp").
                        forward(
                                request, response);
            }
        } else {
            request.getRequestDispatcher("view/petsearch.jsp").forward(request,
                    response);
        }
        out.close();
    }
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
               ServletException, IOException {
           doPost(request, response);
    }
    //Clean up resources
    public void destroy() {
    }
}