package?com.cdl.mail.dao;

import?java.util.List;

import?org.hibernate.Session;
import?org.hibernate.SessionFactory;
import?org.hibernate.Transaction;
import?org.hibernate.cfg.Configuration;

import?com.cdl.mail.entity.Student;

/**
?*?對實體進行CRDU操作的方法
?*?
?*?@author?ocaicai@yeah.net
?*?
?*/
public?class?StudentDao?{
	private?Session?session?=?null;
	private?SessionFactory?sessionFactory?=?null;

	public?StudentDao（）?{
		Configuration?config?=?new?Configuration（）.configure（）;
		sessionFactory?=?config.buildSessionFactory（）;
		this.session?=?sessionFactory.openSession（）;
	}

	/**
	?*?添加一個Student對象
	?*?
	?*?@param?stu
	?*????????????添加的一個Student對象
	?*/
	public?void?addStudent（Student?stu）?{
		session?=?sessionFactory.openSession（）;
		Transaction?tran?=?session.beginTransaction（）;
		session.save（stu）;
		tran.commit（）;
	}

	/**
	?*?依賴方法addStudent方法添加多個Student對象
	?*?
	?*?@param?students
	?*????????????裝在集合中的多個Student對象
	?*/
	public?void?addStudents（List?students）?{
		for?（Student?stu?:?students）?{
			addStudent（stu）;
		}
	}

	/**
	?*根據數據項的起點，查詢某長度的Students
	?*?
	?*?@param?pageOffset
	?*????????????數據項的起點開始位置
	?*?@param?itemsLength
	?*????????????要查詢的長度
	?*?@return
	?*/
	public?List?getSomeStudents（int?pageOffset?int?itemsLength）?{
		String?hqlStr?=?“from?Student“;
		return?this.session.createQuery（hqlStr）.setFirstResult（pageOffset）
				.setMaxResults（itemsLength）.list（）;
	}

	/**
	?*?@return?表中所有的數據總量
	?*/
	public?int?queryTotalItems（）?{
		String?hqlStr?=?“select?count（*）?from?Student“;
		Long?tempLong?=?（Long）?this.session.createQuery（hqlStr）
				.uniqueResult（）;
		int?totalItems?=?tempLong.intValue（）;
		return?totalItems;
	}

	public?String?getStudentInfo（Student?stu）?{
		return?“id:?“?+?stu.getStuId（）?+?“name:“?+?stu.getStuname（）
				+?“password:“?+?stu.getStupassword（）;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-06-03?09:51??pageDivideDemo\
?????目錄???????????0??2011-06-03?10:00??pageDivideDemo\pageDivide\
?????文件?????????856??2011-06-03?08:47??pageDivideDemo\pageDivide\.classpath
?????目錄???????????0??2011-06-03?10:00??pageDivideDemo\pageDivide\.myeclipse\
?????文件?????????523??2011-06-02?22:28??pageDivideDemo\pageDivide\.myhibernatedata
?????文件?????????303??2011-06-02?22:14??pageDivideDemo\pageDivide\.mymetadata
?????文件?????????259??2011-06-03?08:47??pageDivideDemo\pageDivide\.mystrutsdata
?????文件????????1701??2011-06-03?09:24??pageDivideDemo\pageDivide\.project
?????目錄???????????0??2011-06-03?10:00??pageDivideDemo\pageDivide\.settings\
?????文件?????????500??2011-06-02?22:14??pageDivideDemo\pageDivide\.settings\.jsdtscope
?????文件?????????330??2011-06-02?22:14??pageDivideDemo\pageDivide\.settings\org.eclipse.jdt.core.prefs
?????文件??????????49??2011-06-02?22:14??pageDivideDemo\pageDivide\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2011-06-02?22:14??pageDivideDemo\pageDivide\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2011-06-03?10:00??pageDivideDemo\pageDivide\src\
?????目錄???????????0??2011-06-03?10:00??pageDivideDemo\pageDivide\src\com\
?????目錄???????????0??2011-06-03?10:00??pageDivideDemo\pageDivide\src\com\cdl\
?????目錄???????????0??2011-06-03?10:00??pageDivideDemo\pageDivide\src\com\cdl\mail\
?????目錄???????????0??2011-06-03?10:00??pageDivideDemo\pageDivide\src\com\cdl\mail\dao\
?????文件????????1982??2011-06-03?09:42??pageDivideDemo\pageDivide\src\com\cdl\mail\dao\StudentDao.java
?????目錄???????????0??2011-06-03?10:00??pageDivideDemo\pageDivide\src\com\cdl\mail\entity\
?????文件?????????510??2011-06-02?23:04??pageDivideDemo\pageDivide\src\com\cdl\mail\entity\student.hbm.xml
?????文件?????????559??2011-06-02?22:17??pageDivideDemo\pageDivide\src\com\cdl\mail\entity\Student.java
?????目錄???????????0??2011-06-03?10:00??pageDivideDemo\pageDivide\src\com\cdl\mail\struts\
?????目錄???????????0??2011-06-03?10:00??pageDivideDemo\pageDivide\src\com\cdl\mail\struts\action\
?????文件????????2567??2011-06-03?09:46??pageDivideDemo\pageDivide\src\com\cdl\mail\struts\action\StudentAction.java
?????文件??????????90??2011-06-03?08:47??pageDivideDemo\pageDivide\src\com\cdl\mail\struts\ApplicationResources.properties
?????目錄???????????0??2011-06-03?10:00??pageDivideDemo\pageDivide\src\com\cdl\mail\struts\form\
?????文件????????1659??2011-06-03?08:50??pageDivideDemo\pageDivide\src\com\cdl\mail\struts\form\StudentForm.java
?????目錄???????????0??2011-06-03?10:00??pageDivideDemo\pageDivide\src\com\cdl\mail\util\
?????文件????????1390??2011-06-03?08:48??pageDivideDemo\pageDivide\src\com\cdl\mail\util\TestStudentDao.java
?????文件?????????877??2011-06-02?23:01??pageDivideDemo\pageDivide\src\hibernate.cfg.xml
............此處省略39個文件信息