Thank you very much!
  
Thank you very much!
 feels that the landlord can change his mind and start from the actual scene. 
 Why do I need to intercept Dao? 
 if it is Service, it can naturally be managed by Spring, and then do AOP 
 if you want to do more Mapper processing, consider using MyBatis's own interceptor 
 Unfortunately, this is not feasible. 
 does not work on the interface. For details, you can refer to 
 https://codeshelper.com/q/10...