databaseconn.java

《J2EE企业级应用开发》一书的配套源代码

package com.j2eeapp.util;

import java.sql.*;
import javax.naming.Context;
import javax.sql.DataSource;

public class DatabaseConn {
	public static Connection getConnection() throws Exception{
			Context initCtx = new javax.naming.InitialContext(); 
            Context envCtx = (Context) initCtx.lookup("java:comp/env"); 
            DataSource ds = (DataSource)envCtx.lookup("jdbc/Test"); ;
			return ds.getConnection();
	}

}