数据库发生错误: 连接数据库服务端失败!
MySQL 返回错误信息: Access denied for user 'root'@'localhost' (using password: YES)

Warning: mysql_select_db() expects parameter 2 to be resource, boolean given in /var/www/c868c.cn/zaokong.cn/js/PHP+MySQL/14/common/db_mysql.class.php on line 54

数据库发生错误: 不能打开指定的数据库:db_leaveword
MySQL 返回错误信息: Access denied for user 'root'@'localhost' (using password: YES)

数据库发生错误: 连接数据库服务端失败!
MySQL 返回错误信息: Access denied for user 'root'@'localhost' (using password: YES)

Warning: mysql_select_db() expects parameter 2 to be resource, boolean given in /var/www/c868c.cn/zaokong.cn/js/PHP+MySQL/14/common/db_mysql.class.php on line 54

数据库发生错误: 不能打开指定的数据库:db_leaveword
MySQL 返回错误信息: Access denied for user 'root'@'localhost' (using password: YES)

数据库发生错误: SQL查询语句出错: select note.*,noan.* from tb_note as note left join tb_note_answer as noan on note.note_id = noan.noan_note_id order by note.note_time desc
MySQL 返回错误信息: Access denied for user 'root'@'localhost' (using password: YES)

Warning: mysql_num_rows() expects parameter 1 to be resource, null given in /var/www/c868c.cn/zaokong.cn/js/PHP+MySQL/14/common/db_mysql.class.php on line 111

Warning: mysql_close() expects parameter 1 to be resource, boolean given in /var/www/c868c.cn/zaokong.cn/js/PHP+MySQL/14/common/db_mysql.class.php on line 29