mybatis--when updating a field in a DB table, you should be aware of the points

1. Record which tables have field updates.

2. Use Navicat to dump the latest database (schema ) into the SQL directory of the project, as a backup

3. Update the PO class corresponding to the record table, ensuring that the fields of the class and the table field one by one correspond, and by the way regenerate into getter, setter, toString

4. Update the Mapper class corresponding to the record table to ensure that the SQL field is updated in the statement of the PO class Resulttype

5, according to needs, modify Serviceimpl class ...

6, Commit&push

mybatis--when updating a field in a DB table, you should be aware of the points