try {
            Class.forName(driver);
            Connection con = DriverManager.getConnection(url, username, password);
            Statement state = con.createStatement();   //容器
            String sql="create table CONNECT_INDEX_TABLE (ID int,PHONE varchar(20),NAME  varchar(15))";
//            String sql1 = "select * from v$version";
            ResultSet resultSet = state.executeQuery(sql1);         //将sql语句上传至数据库执行
            while (resultSet.next()) {
                System.out.println(resultSet.getString(1));
            }
            con.close();//关闭通道
            return con;
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }