// 最新版
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.H2));
        return interceptor;
    }

mybatis-plus:
  global-config:
    db-config:
      logic-delete-field: flag  # 全局邏輯刪除的實體字段名(since 3.3.0,配置后可以忽略不配置步驟2)
      logic-delete-value: 1 # 邏輯已刪除值(默認為 1)
      logic-not-delete-value: 0 # 邏輯未刪除值(默認為 0)

@TableLogic
private Integer deleted;

@Slf4j
@Component
public class MyMetaObjectHandler implements MetaObjectHandler {

    @Override
    public void insertFill(MetaObject metaObject) {
        log.info("start insert fill ....");
        this.strictInsertFill(metaObject, "createTime", LocalDateTime.class, LocalDateTime.now()); // 起始版本 3.3.0(推薦使用)
      String user = "anonymous";
      // 從header shiro security中獲取user信息
        this.strictInsertFill(metaObject, "createUser", String.class, user); 
    }

    @Override
    public void updateFill(MetaObject metaObject) {
        log.info("start update fill ....");
        this.strictUpdateFill(metaObject, "updateTime", LocalDateTime.class, LocalDateTime.now()); // 起始版本 3.3.0(推薦)
      String user = "anonymous";
      // 從header shiro security中獲取user信息
      this.strictUpdateFill(metaObject, "updateUser", String.class, user);
        // 或者
        this.strictUpdateFill(metaObject, "updateTime", () -> LocalDateTime.now(), LocalDateTime.class); // 起始版本 3.3.3(推薦)
        // 或者
        this.fillStrategy(metaObject, "updateTime", LocalDateTime.now()); // 也可以使用(3.3.0 該方法有bug)
    }
}

@Bean
public MybatisPlusInterceptor mybatisPlusInterceptor() {
    MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
    interceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());
    return interceptor;
}

@Version
private Integer version;

List<User> list = userService.list(Wrappers.<User>lambdaQuery()
.eq(User::getUserName,"123")
)

List<User> list = userService.lambdaQuery()
.eq(User::getUserName,"123")
.list();

LambdaQueryWrapper queryWrapper = Wrappers.<User>lambdaQuery()
.eq(User::getUserName,"123");
User user = userService.getOne(queryWrapper,false);