利用Mybatis拦截器实现自定义的ID增长器

 1   <!-- springboot自动配置-->
 2         <dependency>
 3             <groupId>org.springframework.boot</groupId>
 4             <artifactId>spring-boot-autoconfigure</artifactId>
 5         </dependency>
 6 
 7         <!-- springboot自动配置处理器-->
 8         <dependency>
 9             <groupId>org.springframework.boot</groupId>
10             <artifactId>spring-boot-configuration-processor</artifactId>
11             <optional>true</optional>
12         </dependency>
13 
14         <!-- mybatis启动器，本质是在Mybatis的基础上进行扩展的，必须引入Mybatis的支持-->
15         <dependency>
16             <groupId>org.mybatis.spring.boot</groupId>
17             <artifactId>mybatis-spring-boot-starter</artifactId>
18             <version>2.2.2</version>
19         </dependency>

 1 /**
 2  * 主键注解标记
 3  * @Author: Song L.Lu
 4  * @Since: 2024-01-18 11:20
 5  **/
 6 
 7 @Documented
 8 @Retention(RetentionPolicy.RUNTIME)
 9 @Target({ElementType.FIELD})
10 public @interface Key {
11     String value() default "";
12 }

 1 /**
 2  * 标记当前实体类所在的包路径
 3  * @Author: Song L.Lu
 4  * @Since: 2024-01-18 11:19
 5  **/
 6 
 7 @Documented
 8 @Retention(RetentionPolicy.RUNTIME)
 9 @Target({ElementType.TYPE})
10 public @interface KeyGenerator {
11     String value();
12 }