shoujisessionbean.java~21~

一个使用EJB开发的真实项目

package ejb;

import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
import javax.ejb.CreateException;
import javax.naming.*;
import java.util.*;

public class ShouJiSessionBean implements SessionBean {
    SessionContext sessionContext;
    public void ejbCreate() throws CreateException {
    }

    public void ejbRemove() {
    }

    public void ejbActivate() {
    }

    public void ejbPassivate() {
    }


    public void setSessionContext(SessionContext sessionContext) {
        this.sessionContext = sessionContext;
    }

    public boolean  inster(String photo, String number, String name,
                          String model, String daXiao, String yanSe,
                          String zhongLiang, String xiangXiJieShao, float price) {
        boolean bool=false;
        try{
            Context ct = new InitialContext();
            ShouJiInfoHome home=(ShouJiInfoHome)ct.lookup("ShouJiInfo");
            ShouJiInfo rm = home.create(number);
            rm.setPhoto(photo);
            rm.setName(name);
            rm.setDaXiao(daXiao);
            rm.setModel(model);
            rm.setZhongLiang(zhongLiang);
            rm.setPrice(price);
            rm.setXiangXiJieShao(xiangXiJieShao);
            rm.setYanSe(yanSe);
            bool=true;
       }catch(Exception e){e.printStackTrace();}
        return bool;
    }

    public boolean  xiugai(String photo, String number, String name,
                          String model, String daXiao, String yanSe,
                          String zhongLiang, String xiangXiJieShao, float price) {
        boolean bool=false;
        try{
            Context ct = new InitialContext();
            ShouJiInfoHome home = (ShouJiInfoHome) ct.lookup("ShouJiInfo");
            ShouJiInfo rm = home.findByPrimaryKey(number);
            rm.setPhoto(photo);
            rm.setName(name);
            rm.setDaXiao(daXiao);
            rm.setModel(model);
            rm.setZhongLiang(zhongLiang);
            rm.setPrice(price);
            rm.setXiangXiJieShao(xiangXiJieShao);
            rm.setYanSe(yanSe);
            bool=true;

        }catch(java.lang.Exception e){e.printStackTrace();}
        return bool;
    }

    public boolean  delete(String number) {
        boolean bool=false;
       try{
           Context ct = new InitialContext();
           ShouJiInfoHome home = (ShouJiInfoHome) ct.lookup("ShouJiInfo");
           ShouJiInfo rm = home.findByPrimaryKey(number);
           rm.remove();
           bool=true;
       }catch(java.lang.Exception e){e.printStackTrace();}
        return bool;
    }

    public List selectAll() {
          ArrayList list=new ArrayList();
        try{
            Context ct = new InitialContext();
           ShouJiInfoHome home = (ShouJiInfoHome) ct.lookup("ShouJiInfo");
           Iterator it=home.findAll().iterator();
           while(it.hasNext()){
               ShouJiInfo shouJiInfo=(ShouJiInfo)it.next();
               ShouJiInfoVo vo = new ShouJiInfoVo();
               vo.setDaXiao(shouJiInfo.getDaXiao());
               vo.setModel(shouJiInfo.getModel());
               vo.setName(shouJiInfo.getName());
               vo.setNumber(shouJiInfo.getNumber());
               vo.setPhoto(shouJiInfo.getPhoto());
               vo.setPrice(shouJiInfo.getPrice());
               vo.setXiangXiJieShao(shouJiInfo.getXiangXiJieShao());
               vo.setYanSe(shouJiInfo.getYanSe());
               vo.setZhongLiang(shouJiInfo.getZhongLiang());
               list.add(vo);
           }

        }catch(java.lang.Exception e){e.printStackTrace();}
        return list;
    }

    public List  selectForName(String Name) {
        return null;
    }

    public List  selectForPrice(float price) {
        return null;
    }

}