java，

java，

 

 public static void main(String[] args) {
       Connection connection = DBConnection.getConn();
       Statement statement = null;
       ResultSet  resultSet = null;
       DatabaseMetaData databaseMetaData = null;
       try {
           databaseMetaData = connection.getMetaData();
           System.out.println("登入的url:"+databaseMetaData.getURL());
           System.out.println("登入的用户名:"+databaseMetaData.getUserName());
           System.out.println("数据库产品名:"+databaseMetaData.getDatabaseProductName());
           System.out.println("数据库版本:"+databaseMetaData.getDatabaseProductVersion());
       } catch (Exception e) {
           e.printStackTrace();
       }finally{
           DBConnection.close(connection, statement, resultSet);
       }
    }