adminbean.java

一个很不错的电子商务后台管理系统 这是一个电子商务网站的后台管理系统 要运行此系统必须具备以下条件 1.首先要把SNSQL文本中的SQL脚本确保在SQL Server中执行 2.包Se

package xian.bin.admin;

import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
import javax.ejb.CreateException;


import java.util.*;
import javax.naming.*;
import javax.rmi.PortableRemoteObject;


public class AdminBean
    implements SessionBean {
  SessionContext sessionContext;
  ManagerHome managerHome=null;
  public void ejbCreate() throws CreateException {
  }

  public void ejbRemove() {
  }

  public void ejbActivate() {
  }

  public void ejbPassivate() {
  }

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

  public void setHome(){
    try{
      Properties pro=new Properties();
      pro.put(Context.INITIAL_CONTEXT_FACTORY,"weblogic.jndi.WLInitialContextFactory");
      pro.put(Context.PROVIDER_URL,"t3://localhost:7001");
      Context ctx=new InitialContext(pro);
      Object obj1=ctx.lookup("java:comp/env/ejb/manager");
      managerHome=(ManagerHome)PortableRemoteObject.narrow(obj1,ManagerHome.class);
    }
    catch(Exception e){
      e.printStackTrace();
    }
  }
  //添加一个后台用户信息
  public void addAdmin(String admin,String pwd,String popedom){
    try{
      managerHome.create(admin,pwd,popedom);
    }
    catch(Exception e){
      e.printStackTrace();
    }
  }
  // 获得所有后台用户信息
  public Collection getAllManager() {
    Collection admins=new ArrayList();
    try{
      Iterator its=managerHome.findAllManager().iterator();
      while(its.hasNext()){
        Manager manager=(Manager)its.next();
        AdminDTO admin=new AdminDTO();
        admin.setAdmin(manager.getAdmin());
        admin.setPwd(manager.getPwd());
        admin.setPopedom(manager.getPopedom());
        admins.add(admin);
      }
    }
    catch(Exception e){
      e.printStackTrace();
    }
    return admins;
  }
  //删除一个后台用户信息
  public void delManager(String admin)throws Exception{
    Manager manager=managerHome.findManager(admin);
    manager.remove();
  }
  //修改后台用户信息
  public void updateManager(String admin,String pwd,String popedom)throws Exception{
   Manager manager=managerHome.findManager(admin);
   manager.setPopedom(popedom);
   manager.setPwd(pwd);
  }
}