package?com.shuangyulin_QQ287307421.dao;

import?javax.annotation.Resource;


import?org.hibernate.Session;
import?org.hibernate.SessionFactory;
import?org.springframework.stereotype.Service;
import?org.springframework.transaction.annotation.Propagation;
import?org.springframework.transaction.annotation.Transactional;

import?com.shuangyulin_QQ287307421.domain.Admin;

@Service?@Transactional
public?class?AdminDAO?{
	@Resource??SessionFactory?factory;

	/*保存業務邏輯錯誤信息字段*/
	private?String?errMessage;
	public?String?getErrMessage（）?{?return?this.errMessage;?}
	
	/*驗證用戶登錄*/
	@Transactional（propagation=Propagation.NOT_SUPPORTED）
	public?boolean?CheckLogin（Admin?admin）?{?
		Session?s?=?factory.getCurrentSession（）;?

		Admin?db_admin?=?（Admin）s.get（Admin.class?admin.getUsername（））;
		if（db_admin?==?null）?{?
			this.errMessage?=?“?賬號不存在?“;
			System.out.print（this.errMessage）;
			return?false;
		}?else?if（?!db_admin.getPassword（）.equals（admin.getPassword（）））?{
			this.errMessage?=?“?密碼不正確!?“;
			System.out.print（this.errMessage）;
			return?false;
		}
		
		return?true;
	}
	

	/*修改用戶登錄密碼*/
	public?void?ChangePassword（String?username?String?newPassword）?{
		Session?s?=?factory.getCurrentSession（）;
		
		Admin?db_admin?=?（Admin）s.get（Admin.class?username）;
		db_admin.setPassword（newPassword）;
		s.save（db_admin）;
		
	}
	
	/*根據用戶名獲取管理員對象*/
	public?Admin?GetAdmin（String?username）?{
		Session?s?=?factory.getCurrentSession（）;
		Admin?db_admin?=?null;
		db_admin?=?（Admin）s.get（Admin.class?username）;?
		return?db_admin;
	}
}