关于Context 类的问题
查了API后也还是看不懂呀
package StudyBbs;
import java.sql.Connection;
import javax.naming.*;
import javax.sql.DataSource;
public class ConnPool
{
public ConnPool()
{
con = null;
}
public DataSource Tomcat_JDBC_DataSource()
{
Context ctx = null; //这个类起的什么作用呢
DataSource dataSource = null;
try
{
ctx = new InitialContext();
dataSource = (DataSource)ctx.lookup("java:comp/env/jdbc/bbs"); //什么意思呢
}
catch(NamingException e)
{
e.printStackTrace();
}
return dataSource; //返回的什么
}
Connection con;
}