mybatis问题

[yingqin678]

mybatis useGeneratedKeys无法返回主键解决：https://blog.csdn.net/qq_29992111/article/details/80530195

[yingqin678]

mybatis中if test使用大于：https://blog.csdn.net/isea533/article/details/50061705
https://www.oschina.net/question/2342541_2278631

[yingqin678]

mysql中You can’t specify target table for update in FROM clause错误解决方法：https://www.jb51.net/article/60926.htm