petservlet.java~51~

这是java编写宠物医院项目

package pet;

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

public class PetServlet extends HttpServlet {
    public PetServlet() {
        try {
            jbInit();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    private static final String CONTENT_TYPE = "text/html; charset=UTF-8";

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

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType(CONTENT_TYPE);
        PrintWriter out = response.getWriter();
        String method=request.getParameter("method");
        PetDAO dao=new PetDAO();
        String patch="/pet/";
        if(method.equals("")){
            patch+="pet.jsp";
        }
        else if(method.equals("pname")){
            String name=request.getParameter("pname").trim();
            System.out.println("name=  "+name);
            if(name==null || name.equals("")){
                Collection c=dao.holder_pet();
                Iterator it=c.iterator();
                request.setAttribute("pet",it);
               patch+="pname.jsp";
            }else{
                Collection c = dao.pet_name(name);
                if(c==null){
                    patch+="pname.jsp?result=false";
                }else{
                    Iterator it = c.iterator();
                    request.setAttribute("pet", it);
                    patch += "pname.jsp";
                }
            }
        }else if(method.equals("padd")){
            String hid=request.getParameter("hid").trim();
            String name=request.getParameter("name").trim();
            String sex=request.getParameter("sex").trim();
            String kind=request.getParameter("kind").trim();
            if(hid==null || hid.equals("") || name==null || name.equals("") || sex==null ||
                    sex.equals("") || kind==null || kind.equals("")){
                patch+="petadd_cl.jsp?result=false";
            }else{
                PetVO vo=new PetVO();
                vo.setPhid(Integer.parseInt(hid));
                vo.setPname(name);
                vo.setPkind(kind);
                vo.setPsex(sex);
                if(dao.pet_add(vo)){
                   patch+="petadd_cl.jsp?result=true";
                }else{
                   patch+="petadd_cl.jsp?result=false";
                }
            }

        }else if(method.equals("name_up")){
            String name=request.getParameter("upname").trim();
            System.out.println("name=  " + name);
            if (name == null || name.equals("")) {
                patch += "pname.jsp?result=false";
            } else {
                Collection c = dao.pet_name(name);
                if (c == null) {
                    patch += "pname.jsp?result=false";
                } else {
                    Iterator it = c.iterator();
                    request.setAttribute("pet", it);
                    patch += "petup.jsp";
                }
            }

        }else if (method.equals("pup")){
            String phid=request.getParameter("phid").trim();
            String pid=request.getParameter("pid").trim();
            String name=request.getParameter("name").trim();
            String sex=request.getParameter("sex").trim();
            String kind=request.getParameter("kind").trim();
            System.out.println("瀹犵墿鍚