连接池单例代码

package com.bcit;

import java.io.IOException;

import org.apache.commons.dbcp.BasicDataSource;

/**
 * 单例模式
 * @author Administrator
 *
 */
public class GetConn {

private static GetConn getConn;
private static String driver;
private static String url;
private static String user;
private static String password;
private static BasicDataSource bds = new BasicDataSource();

private GetConn(){
java.util.Properties p = new java.util.Properties();
java.io.InputStream inStream = GetConn.class.getResourceAsStream("db.properties");
try {
p.load(inStream);
driver = p.getProperty("driver");
url = p.getProperty("url");
user = p.getProperty("user");
password = p.getProperty("password");