Boilerplate: 关闭 JDBC 资源，boilerplatejdbc,public stati

Boilerplate: 关闭 JDBC 资源，boilerplatejdbc,public stati

public static void close(ResultSet resultSet, Statement statement, Connection connection) {    if (resultSet != null) {        try {            resultSet.close();        } catch (SQLException e) {            logger.error("cannot close result set", e);        }    }    if (statement != null) {        try {            statement.close();        } catch (SQLException e) {            logger.error("cannot close statement", e);        }    }    if (connection != null) {        try {            connection.close();        } catch (SQLException e) {            logger.error("cannot close database connection", e);        }    }}public static void close(ResultSet resultSet, Statement statement) {    close(resultSet, statement, null);}public static void close(ResultSet resultSet) {    close(resultSet, null, null);}