举例Java语言的程序结构

发布网友 发布时间：2022-04-21 18:19

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热心网友 时间：2023-10-07 20:54

package ;
//实现底层（数据访问层）层操作员受理业务接口
import java.util.Iterator;
import java.util.List;import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;import po.Tcustomer;
import po.Tmobiles;
import po.Tuser;public class OperatorDAOImp implements IOperatorDAO{
// hibernate　SessionFactory对象，由spring注入．
private SessionFactory factory; //增加客户
public Tcustomer addCustomer(Tcustomer customer) {
Tcustomer mycustomer=null;
Session session=factory.openSession();
Transaction ts=session.beginTransaction();
session.save(customer);
ts.commit();
Transaction ts1=session.beginTransaction();
Query query=session.createQuery("from Tcustomer t where t.idNumber='"+customer.getIdNumber()+"'");
List list=query.list();
Iterator it=list.iterator();
if(it.hasNext()){
mycustomer=(Tcustomer)it.next();
}
ts1.commit();
session.close();
return mycustomer;
} //增加手机用户
public boolean addUser(Tuser user) {
Session session=factory.openSession();
Transaction ts=session.beginTransaction();
session.save(user);
Tmobiles mobile=(Tmobiles) session.get(Tmobiles.class, user.getTmobiles().getMobileNumber());
mobile.setIsAvailable("N");
session.update(mobile);
ts.commit();
boolean isok=ts.wasCommitted();
session.close();
return isok;
} //判断客户是否存在
public Tcustomer isCustomerExist(Tcustomer customer) {
Tcustomer mycustomer=null;
Session session=factory.openSession();
Transaction ts=session.beginTransaction();
Query query=session.createQuery("from Tcustomer t where t.idNumber='"+customer.getIdNumber()+"'");
List list=query.list();
Iterator it=list.iterator();
if(it.hasNext()){
mycustomer=(Tcustomer)it.next();
}
ts.commit();
session.close();
return mycustomer;
} //判断手机号是否可用
public Tmobiles isMobileCanUse(String mobile) {
Tmobiles mymobile=null;
Session session=factory.openSession();
Transaction ts=session.beginTransaction();
Query query=session.createQuery("from Tmobiles t where t.mobileNumber='"+mobile+"' and t.isAvailable='Y'");
List list=query.list();
Iterator it=list.iterator();
if(it.hasNext()){
mymobile=(Tmobiles)it.next();
}
ts.commit();
session.close();
return mymobile;
}
// get/set方法在spring注入时使用
public SessionFactory getFactory() {
return factory;
} public void setFactory(SessionFactory factory) {
this.factory = factory;
}
}