参考案例（Web环境）才生效：https://blog.csdn.net/Aku_2020/article/details/125413830

1、@NotNull、@NotEmpty、@NotBlank注解用到的依赖

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-validation</artifactId>
</dependency>

2、@JSONField(format = “yyyy-MM-dd HH:mm:ss”)

            <dependency>
                <groupId>com.alibaba.fastjson2</groupId>
                <artifactId>fastjson2</artifactId>
                <version>${fastjson.version}</version>
            </dependency>