hellohibernateservlet.java

来自「ServletFilter+ThreadLocal+DAO」· Java 代码 · 共 73 行

JAVA
73
字号
package com.xanada;

import com.xanada.po.*;
import com.xanada.helper.*;

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

import net.sf.hibernate.*;
import net.sf.hibernate.cfg.*;

public class HelloHibernateServlet extends HttpServlet {

    public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException
    {
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();

        out.println("<html>");
        out.println("<head>");
	    out.println("<title>Hello Hibernate</title>");
        out.println("</head>");
        out.println("<body>");
	    out.println("Hello Hibernate!<br>");

        Cat catRobbin = new Cat();
        catRobbin.setId("3");
        catRobbin.setName("robbin");
        catRobbin.setSex('M');
        catRobbin.setWeight(15);

        Cat catDlee = new Cat();
        catDlee.setId("4");
        catDlee.setName("dlee");
        catDlee.setSex('M');
        catDlee.setWeight(20);

        Cat catOz = new Cat();
        catOz.setId("5");
        catOz.setName("oz");
        catOz.setSex('M');
        catOz.setWeight(25);

        CatDAO catDAO = new CatDAOImpl();

        //add 3 records
        catDAO.creatCat(catRobbin);
        catDAO.creatCat(catDlee);
        catDAO.creatCat(catOz);

        //del 2 existed records
        catDAO.delCat("1");
        catDAO.delCat("2");

        //update catOz to weight 100
        catOz.setWeight(100);
        catDAO.updateCat(catOz);

        //select cats
        List lstCats = catDAO.readCats();
        for (Iterator it = lstCats.iterator(); it.hasNext();) {
            Cat cat = (Cat) it.next();
            out.println("Cat: " + cat.toString() + "<br>");
        }

        out.println("</body>");
        out.println("</html>");
    }
}

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