pilipili在线视频网站开发日志(一)

　模仿bilibili做了一个pilipili在线视频网站

源码已全部托管至github：https://github.com/BrucessKING/pilipili

我主要负责接口的实现

leader给了我两个接口：UserDao VideoDao

使用的框架为SSM

今天遇到的错误问题：

1 org.apache.ibatis.exceptions.PersistenceException: 
2 ### Error updating database.  Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'desc, releaseDate, clickTimes, pictureUrls, videoUrl, state, user_id, category_i' at line 1
3 ### The error may involve defaultParameterMap
4 ### The error occurred while setting parameters
5 ### SQL: insert into p_video(name, desc, releaseDate, clickTimes, pictureUrls, videoUrl, state, user_id, category_id) values(?, ?, ?, ?, ?, ?, ?, ?, ?)
6 ### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'desc, releaseDate, clickTimes, pictureUrls, videoUrl, state, user_id, category_i' at line 1

明明没有语法错误，可是仍然报错。。。

后来发现，在建表时，居然使用了desc关键字作为列名

解决的方法为：使用反单引号把desc引起来

sql语句如下：

 1 insert into p_video(`name`, `desc`, releaseDate, clickTimes, pictureUrls, videoUrl, state, user_id, category_id) values(#{video.name}, #{video.desc}, #{video.releaseDate}, #{video.clickTimes}, #{video.pictureUrls}, #{video.videoUrl}, #{video.state}, #{user_id}, #{category_id}) 

 

 

2019-12-26 15:30

报错如下：

1 org.apache.ibatis.exceptions.PersistenceException: 
2 ### Error querying database.  Cause: java.lang.UnsupportedOperationException
3 ### The error may exist in file [D:\Git_Repository\pilipili\target\classes\mapper\VideoDao.xml]
4 ### The error may involve com.pilipili.dao.VideoDao.selectVideosByClickTimes
5 ### The error occurred while handling results
6 ### SQL: select id, `name`, `desc`, releaseDate, clickTimes, pictureUrls, videoUrl, state, user_id, category_id from p_video where user_id=? order by clickTimes desc limit 0, ?
7 ### Cause: java.lang.UnsupportedOperationException

原因是在 VideoDao.xml 中 resultType="list"

即使要返回list类型，这里也应该写成video类型，如果查询到多条数据，会自动放入list中

特此鸣谢：https://blog.csdn.net/zhanyu1/article/details/82557357

posted @ 2019-12-26 11:43  ABKing  阅读(7321)  评论(0)  编辑  收藏  举报