数据库错误:

错误代码:
201

错误信息:
无法连接数据库服务器! php_network_getaddresses: getaddrinfo failed: Name or service not known
数据库错误:

错误代码:
203

错误信息:
select count(cn.id) from course_note cn inner join user u on cn.uid=u.id
where 1 and cn.courseid='572' and cn.coursewareid='13208' php_network_getaddresses: getaddrinfo failed: Name or service not known
数据库错误:

错误代码:
203

错误信息:
select cn.*,u.username,u.avatar_small,u.avatar_big,u.love,c.name coursename,cw.name coursewarename from course_note cn
inner join course c on cn.courseid=c.id
inner join courseware cw on cn.coursewareid=cw.id
inner join user u on cn.uid=u.id
where 1 and cn.courseid='572' and cn.coursewareid='13208' order by cn.id desc LIMIT 0,20 php_network_getaddresses: getaddrinfo failed: Name or service not known
课程笔记弹出

课程笔记

其它搜索条件全部笔记我的课程笔记

暂无笔记