如果在主启动类配置了包扫描@MapperScan注解，这个位置目录一定要写到dao层的目录，如：@MapperScan(“com.company.module.dao”)
如果没有写到具体的dao层目录，写成@MapperScan(“com.company”）扫描的时候会把com.company.module.service目录也认为是dao目录扫进来，这时用到@Service注解的会被Sping误认为是dao层的Bean，这时调用Service层的Bean会报错 Invalid bound statement (not found)
原文链接：https://blog.csdn.net/qq_45523430/article/details/129056878
- BindingException statement Service Invalid bindingbindingexception statement invalid binding bindingexception statement service invalid bindingexception statement invalid mybatis bindingexception statement随笔invalid bindingexception statement错误invalid bindingexception invalidbound statement found bindingexception ibatisbinding mybatisplus statement bindingexception selectjoball jobmapper statement bindingexception quot exception statement bindingexception studentdao selectlist statement