connectionfactory.java

shoppingCar 购物车

package com.tarena.shoppingcar.util;

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

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

public class ConnectionFactory {
	
	public static Connection getConnection() {
		Connection con = null;
		try {
			Context ctx = new InitialContext();
			DataSource dataSource = (DataSource) ctx
					.lookup("java:comp/env/jdbc/mysql");
			con = dataSource.getConnection();
		} catch (Exception e) {
			e.printStackTrace();
			throw new RuntimeException();
		} 
		return con;
	}
	
	
	public static Connection getConnection1() {
		Connection con = null;
		try {
			Class.forName("com.mysql.jdbc.Driver");
			String url="jdbc:mysql://127.0.0.1:3306/test";
			String username="root";
			String password="kuku1985";
			con = DriverManager.getConnection(url,username,password);
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return con;
	}
}