Discussion on input parameters of mybatis

Fairy-KunKun 2022-05-14 14:37:57 阅读数:169

discussioninputparametersmybatis

There are two input parameters ,prameterType and prameterMap( Abandoned , In the early ibatis How to do it )

Use only prameterType

situation

(1) The parameter is a simple type ( Single value )

Such as : Search the Department information according to the number , The input parameter is a number ,int type , Simple type

Place holder #{ Write at will }

(2) When the parameter is an entity type

Such as : Add a department , The input parameters are Dept object , Placeholders must be written as #{ Property name of entity class }

(3) Parameter is Map type

requirement : Placeholder must be map Medium key

demand : Paging search Department

 

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