配置字段自动填充

@TableField(fill = FieldFill.INSERT)
private Date createTime;

@Component
public class MyMetaObjectHandler implements MetaObjectHandler {
    @Override
    public void insertFill(MetaObject metaObject) {
        this.setFieldValByName("createTime",new Date(),metaObject);
    }
    @Override
    public void updateFill(MetaObject metaObject) {
    }
}

@Test
    void testInsert(){
        User user = new User();
        user.setName("小赵");
        user.setAge(18);
        user.setEmail("2676580540@qq.com");
        userMapper.insert(user);
    }