userbean.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.user;

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

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


public class UserBean
    implements SessionBean {
  SessionContext sessionContext;
  UserInfoHome infoHome;
  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/info");
      infoHome=(UserInfoHome)PortableRemoteObject.narrow(obj1,UserInfoHome.class);
    }
    catch(Exception e){
      e.printStackTrace();
    }
  }

  //获得所有前台用户信息
  public Collection getAllUserInfo() {
    ArrayList users=new ArrayList();
    try{
      Iterator its=infoHome.findAllUserInfo().iterator();
      while(its.hasNext()){
        UserInfo user=(UserInfo)its.next();
        UserDTO dto=new UserDTO();
        dto.setUsername(user.getUsername());
        dto.setRealName(user.getRealName());
        dto.setSex(dto.getSex());
        dto.setAge(user.getAge().intValue());
        dto.setAddress(user.getAddress());
        dto.setEmail(user.getEmail());
        dto.setPassword(user.getPassword());
        dto.setUserType(user.getUserType().intValue());
        dto.setYouBian(user.getYouBian().intValue());
        users.add(dto);
      }
    }
    catch(Exception e){
      e.printStackTrace();
    }
    return users;
  }

  //删除前台用户信息
  public void delUserInfo(String userName)throws Exception{
    UserInfo user = infoHome.findUserNmae(userName);
    try{
        user.remove();
    }
    catch(Exception e){
      e.printStackTrace();
    }
  }

  //根据用户类型查找用户信息
  public Collection getCommonUser(int userType)throws Exception{
    ArrayList users=new ArrayList();
    try{
      Iterator its=infoHome.findUserType(userType).iterator();
      while(its.hasNext()){
        UserInfo user=(UserInfo)its.next();
        UserDTO dto=new UserDTO();
        dto.setUsername(user.getUsername());
        dto.setRealName(user.getRealName());
        dto.setSex(dto.getSex());
        dto.setAge(user.getAge().intValue());
        dto.setAddress(user.getAddress());
        dto.setEmail(user.getEmail());
        dto.setPassword(user.getPassword());
        dto.setUserType(user.getUserType().intValue());
        dto.setYouBian(user.getYouBian().intValue());
        users.add(dto);
      }
    }
    catch(Exception e){
      e.printStackTrace();
    }
    return users;
  }

  //根据用户名查找用户信息
  public UserDTO getUserInfo(String userName)throws Exception{
    UserDTO dto=null;
    try{
        UserInfo user=(UserInfo)infoHome.findAllUserInfo().iterator();
        dto=new UserDTO();
        dto.setUsername(user.getUsername());
        dto.setRealName(user.getRealName());
        dto.setSex(dto.getSex());
        dto.setAge(user.getAge().intValue());
        dto.setAddress(user.getAddress());
        dto.setEmail(user.getEmail());
        dto.setPassword(user.getPassword());
        dto.setUserType(user.getUserType().intValue());
        dto.setYouBian(user.getYouBian().intValue());
    }
    catch(Exception e){
      e.printStackTrace();
    }
    return dto;
  }
}