customerbobean.java~56~

郭克华j2ee高级框架实战教学视频源代码 这个是比较值得一看的 由郭克华博士在总结多年Java培训的基础上

package prj37_1;

import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
import javax.ejb.CreateException;
import prj37_1.CustomerDto;
import javax.rmi.PortableRemoteObject;
import factory.EjbFactory;

public class CustomerBoBean
    implements SessionBean {
  SessionContext sessionContext;
  CustomerDaoHome home;
  CustomerDao remote;
  public void ejbCreate() throws CreateException {
    try {
      Object obj = EjbFactory.getEjbHome("CustomerDao");
      home = (CustomerDaoHome)PortableRemoteObject.narrow(obj,CustomerDaoHome.class);
      remote = home.create();
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }
  }

  public void ejbRemove() {
  }

  public void ejbActivate() {
  }

  public void ejbPassivate() {
  }

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

  public CustomerDto login(String account, String password) {
    try {
     CustomerDto cus =  remote.findCusByAccount(account);
     if(cus!=null && cus.getPassword().equals(password)){
       return cus;
     }
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }
    return null;
  }

  public boolean reg(String account, String password, String cname) {
    try {
      Object obj = EjbFactory.getEjbHome("CustomerDto");
      CustomerDtoHome cusHome = (CustomerDtoHome)PortableRemoteObject.narrow(obj,CustomerDtoHome.class);
      CustomerDto cus = cusHome.create();
      cus.setAccount(account);
      cus.setPassword(password);
      cus.setCname(cname);
      cus.setCbalance(0);
      remote.insert(cus);
      cus.remove();//腾出内存
      return true;
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }
    return false;
  }

  public boolean cunkuan(CustomerDto cus) {
    try {
     remote.update(cus);
     cus.remove();//腾出内存
     return true;
   }
   catch (Exception ex) {
     ex.printStackTrace();
   }
   return false;

  }

  public boolean qukuan(CustomerDto cus) {
    return false;
  }
}