jdbchelper.java

来自「该留言板使用JSP/servlet+hibernate+MySQL制作而成！详细」· Java 代码 · 共 39 行

/*
 * JDBCHelper.java
 *
 * Created on 2007年5月28日, 下午9:26
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

/**
 *
 * @author abc
 */
package message_board;

import java.sql.Connection;
import java.sql.SQLException;

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

public class JDBCHelper
{
    private DataSource _dataSource;

    public JDBCHelper() throws NamingException
    {
        Context context = new InitialContext();
        Context applicationEnv = (Context)context.lookup("java:comp/env");
        _dataSource = (DataSource)applicationEnv.lookup("jdbc/messages");
    }

    public Connection getConnection() throws SQLException
    {
        return _dataSource.getConnection();
    }
}