javax.sql.PooledConnectionjavax.sql.PooledConnection是由连接池创建的连接接口。表 1 对javax.sql.PooledConnection的支持情况方法名返回值类型支持JDBC 4addConnectionEventListener (ConnectionEventListener listener)voidYesclose()voidYesgetConnection()ConnectionYesremoveConnectionEventListener (ConnectionEventListener listener)voidYes