Usegeneratedkeys=true configuration

Springboot in Mybatis The configuration file Mapper Parameters
useGeneratedKeys=“true” keyProperty=“id”
useGeneratedKeys Set to true when , Indicates if the inserted table id Take the auto increment column as the primary key , allows JDBC Support automatic generation of primary key , And can automatically generate the primary key id return .
useGeneratedKeys Parameters are only for insert The statement takes effect , The default is false;