petservlet.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.*;
import dto.*;

public class PetServlet 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();

        String petname = request.getParameter("petname");
        String ownername = request.getParameter("syname");
        ArrayList arr = petdao.search(petname, ownername);
        if (arr.size() != 0) {
            request.setAttribute("list", arr);
            request.getRequestDispatcher("view/petsearch_result.jsp").
                    forward(
                            request, response);
        }

        out.close();
    }

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