jdbcutil.java

关于Ejb3的一个小的Demo

package com.bluedot.common;

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

public final class JdbcUtil {
	static Connection conn;
	public static Connection getConnection(){
		try {
			Class.forName(Constants.DB_DRIVER_CLASS);
			conn=DriverManager.getConnection(Constants.DB_CONN_URL,Constants.DB_USER_NAME,Constants.DB_USER_PASS);
			
		} catch (ClassNotFoundException e) {
		
			e.printStackTrace();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return conn;
	}
	public static void close(Connection conn){
		try {
			conn.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}
}