• 引入依赖

        <dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId></dependency>

• idea中搜索安装lombok插件

===============================简化JavaBean开发===================================
@NoArgsConstructor //无参构造器
//全参构造器
//@AllArgsConstructor
@Data
@ToString
@EqualsAndHashCode
public class User {private String name;private Integer age;private Pet pet;public User(String name,Integer age){this.name = name;this.age = age;}}================================简化日志开发===================================
@Slf4j
@RestController
public class HelloController {@RequestMapping("/hello")public String handle01(@RequestParam("name") String name){log.info("请求进来了....");return "Hello, Spring Boot 2!"+"你好："+name;}
}