package?com.niit.datasource;

import?javax.naming.Context;
import?javax.naming.InitialContext;
import?javax.naming.NamingException;
import?javax.sql.DataSource;

public?class?ConnectionUtility?{
	public?static?DataSource?ds?=?null;
	public?static?DataSource?getDataSource（）{
		if（ds==null）{
			try?{
				Context??context?=?new?InitialContext（）;
				ds?=?（DataSource）context.lookup（“java:/comp/env/jdbc/shopping“）;
			}?catch?（NamingException?e）?{
				//?TODO?Auto-generated?catch?block
				e.printStackTrace（）;
			}
		}
		return?ds;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????4064??2011-05-23?13:58??src\backaddbook.jsp

?????文件????????560??2011-05-17?19:15??src\com\niit\datasource\ConnectionUtility.java

?????文件???????1743??2011-05-17?19:29??src\com\niit\datasource\datasourceTest.java

?????文件????????805??2011-05-23?11:30??src\com\niit\model\BookType.java

?????文件????????554??2011-05-19?10:22??src\com\niit\test\ConnectionUtility.java

?????文件????????349??2011-05-23?11:04??src\com\niit\test\GetBookTypeImpl.java

?????文件???????1827??2011-05-23?11:16??src\com\niit\test\GetDaoImpl.java

?????文件????????175??2011-05-23?10:48??src\com\niit\test\IGetBookType.java

?????文件????????164??2011-05-23?10:48??src\com\niit\test\IGetDao.java

?????文件???????1205??2011-05-23?13:36??src\com\niit\test\MenuTogetherServlet.java

?????目錄??????????0??2011-05-23?14:03??src\com\niit\datasource

?????目錄??????????0??2011-05-23?14:03??src\com\niit\model

?????目錄??????????0??2011-05-23?14:03??src\com\niit\test

?????目錄??????????0??2011-05-23?14:03??src\com\niit

?????目錄??????????0??2011-05-23?14:03??src\com

?????目錄??????????0??2011-05-23?14:04??src

-----------?---------??----------?-----??----

????????????????11446????????????????????16