java
来源：互联网 发布：康王洗发水怎么样知乎 编辑：程序博客网 时间：2024/04/28 16:59
private static LinkedList<Connection> pool=new LinkedList<Connection>();private static String driverClassName="com.mysql.jdbc.Driver";private static String url="mysql:jdbc://localhost:3306/jdbc";private static String username="root";private static String password="1111";static{// 加载驱动try {Class.forName(driverClassName);for(int i=0;i<10;i++){Connection conn=DriverManager.getConnection(url, username, password);pool.add(conn);}} catch (Exception e) {// TODO Auto-generated catch blockthrow new ExceptionInInitializerError(e);}}public synchronized static Connection getConnection(){return pool.removeFirst();//返回被删除的}public static void release(Connection conn){pool.addLast(conn);}
