热部署Devtools

1.添加devtools到项目中

<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-devtools</artifactId><scope>runtime</scope><optional>true</optional>
</dependency>

2.添加plugin到项目中

<build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><!--建议写版本号与自己项目保持一致--><version>2.7.3</version><configuration><fork>true</fork><addResources>true</addResources></configuration></plugin></plugins>
</build>

3.idea开启自动编译打包

idea设置路径：Setting/Buid,Execution,Deployment/Compiler

开启(勾选)

• Automatically show first error in editor
• Display notification on build completion
• Build project automatically
• Compile independent modules in parallel

4.设置修改时更新

快捷键：Ctrl+Shift+Alt+/

5.重启idea

关闭idea，然后打开