petvisitservlet.java~6~

来自「宠物医院 JSP项目 我是一个初学者 请大家多多指教」· JAVA~6~ 代码 · 共 56 行

package servlet;

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

public class PetVisitServlet 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("read")){
            int pid = Integer.parseInt(request.getParameter("petid"));
            Petdao petdao = new Petdao();
            Ownersdto ownersdto=petdao.search(pid);
            ArrayList list=petdao.SearchVisit(pid);
            if(!ownersdto.equals("")&&list.size()!=0){
                request.setAttribute("ownersdto",ownersdto);
                request.setAttribute("list",list);
                request.getRequestDispatcher("view/petvisit.jsp").forward(request,response);
            }
        }
        else if(request.getParameter("action").equals("add")){
            int pid = Integer.parseInt(request.getParameter("petid"));

            Petdao petdao = new Petdao();
            Ownersdto ownersdto=petdao.search(pid);
            if(ownersdto.equals("")){
                 request.setAttribute("ownersdto",ownersdto);
                 request.getRequestDispatcher("view/newvisit.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() {
    }
}