1.添加Devtools jra
<groupId>org.springframework.boot</groupId><artifactId>spring-boot-devtools</artifactId><scope>runtime</scope><optional>true</optional>
</dependency>2.添加plugin插件
<build><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.开启自动编译权限
Ctrl+shift+alt+/ 选择registry
4.重启idea
