1：添加devtools
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <scope>runtime</scope> <optional>true</optional> </dependency>
2：添加maven插件
<build> <finalName>springcloud-study</finalName> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <fork>true</fork> <addResources>true</addResources> </configuration> </plugin> </plugins> </build>
3：abcd打钩
4: 选择2个选项
idea中按住快捷键:
ALT + SHIFT + CTR + /
勾选这2个:
5：重启
重启idea
完
