package?com.lyq.dao;

import?java.util.List;

import?com.lyq.persistence.Category;
import?com.lyq.util.HibernateFilter;
/**
?*?藥品類別數據庫操作類
?*?@author?Li?Yong?Qiang
?*/
public?class?CategoryDao?extends?SupperDao?{
	
	/**
	?*?根據id查詢類別
	?*?@param?id?
	?*?@return?Category
	?*/
	public?Category?loadCategory（int?id）{
		Category?c?=?null;
		try{
			session?=?HibernateFilter.getSession（）;		//獲取Session對象
			session.beginTransaction（）;					//開啟事物
			//加載類別信息
			c?=?（Category）session.load（Category.class?new?Integer（id））;
			session.getTransaction（）.commit（）;			//提交事物
		}catch（Exception?e）{
			e.printStackTrace（）;						//打印異常信息
			session.getTransaction（）.rollback（）;		//回滾事物
		}
		return?c;
	}
	/**
	?*?查詢所有類別
	?*?@return?List
	?*/
	public?List?findAllCategory（）{
		List?list?=?null;
		try{
			session?=?HibernateFilter.getSession（）;		//獲取Session對象
			session.beginTransaction（）;					//開啟事物
			list?=?session.createQuery（“from?Category?c“）//創建Query對象
						??.list（）;						//獲取結果集
			session.getTransaction（）.commit（）;			//提交事物
		}catch（Exception?e）{
			e.printStackTrace（）;						//打印異常信息
			session.getTransaction（）.rollback（）;		//回滾事物
		}
		return?list;
	}
	/**
	?*?統計藥品類別及數量
	?*?@return
	?*/
	public?List?findCategoryAndCount（）{
		List?list?=?null;
		try{
			session?=?HibernateFilter.getSession（）;		//獲取Session對象
			session.beginTransaction（）;					//開啟事物
			//?內連接查詢語句
			String?hql?=?“select?c.namecount（*）?from?Medicine?m?join?m.category?c?group?by?c“;
			list?=?session.createQuery（hql）//創建Query對象
						??.list（）;						//獲取結果集
			session.getTransaction（）.commit（）;			//提交事物
		}catch（Exception?e）{
			e.printStackTrace（）;						//打印異常信息
			session.getTransaction（）.rollback（）;		//回滾事物
		}
		return?list;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2009-11-25?16:25??MedicineManager\
?????文件????????2404??2009-08-26?14:19??MedicineManager\.classpath
?????文件?????????318??2009-09-02?14:02??MedicineManager\.mymetadata
?????文件??????????66??2009-08-26?14:19??MedicineManager\.myumldata
?????文件????????1421??2009-08-26?14:19??MedicineManager\.project
?????目錄???????????0??2009-11-25?16:25??MedicineManager\.settings\
?????文件?????????406??2009-08-26?14:19??MedicineManager\.settings\.jsdtscope
?????文件?????????120??2009-08-26?14:19??MedicineManager\.settings\com.genuitec.jboss.ide.eclipse.xdoclet.run.prefs
?????文件??????????49??2009-08-26?14:19??MedicineManager\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2009-08-26?14:19??MedicineManager\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????文件?????????425??2009-08-26?14:19??MedicineManager\.settings\org.eclipse.wst.validation.prefs
?????目錄???????????0??2009-11-25?16:25??MedicineManager\src\
?????目錄???????????0??2009-11-25?16:25??MedicineManager\src\com\
?????目錄???????????0??2009-11-25?16:25??MedicineManager\src\com\lyq\
?????目錄???????????0??2009-11-25?16:25??MedicineManager\src\com\lyq\dao\
?????文件????????1911??2009-08-26?14:19??MedicineManager\src\com\lyq\dao\CategoryDao.java
?????文件????????2131??2009-08-26?14:19??MedicineManager\src\com\lyq\dao\MedicineDao.java
?????文件????????1910??2009-08-26?14:19??MedicineManager\src\com\lyq\dao\SellDao.java
?????文件????????4479??2009-08-26?14:19??MedicineManager\src\com\lyq\dao\SupperDao.java
?????文件????????3966??2009-08-26?14:19??MedicineManager\src\com\lyq\dao\UserDao.java
?????目錄???????????0??2009-11-25?16:25??MedicineManager\src\com\lyq\persistence\
?????文件?????????701??2009-08-26?14:19??MedicineManager\src\com\lyq\persistence\Category.hbm.xml
?????文件????????1222??2009-08-26?14:19??MedicineManager\src\com\lyq\persistence\Category.java
?????文件?????????857??2009-08-26?14:19??MedicineManager\src\com\lyq\persistence\Medicine.hbm.xml
?????文件????????1928??2009-08-26?14:19??MedicineManager\src\com\lyq\persistence\Medicine.java
?????文件?????????814??2009-08-26?14:19??MedicineManager\src\com\lyq\persistence\SellDetail.hbm.xml
?????文件????????1459??2009-08-26?14:19??MedicineManager\src\com\lyq\persistence\SellDetail.java
?????文件?????????795??2009-08-26?14:19??MedicineManager\src\com\lyq\persistence\SellSeq.java
?????文件?????????548??2009-08-26?14:19??MedicineManager\src\com\lyq\persistence\User.hbm.xml
?????文件?????????774??2009-08-26?14:19??MedicineManager\src\com\lyq\persistence\User.java
?????目錄???????????0??2009-11-25?16:25??MedicineManager\src\com\lyq\struts\
............此處省略162個文件信息