eclipse 添加依赖即可:

<!-- 热部署依赖 -->
<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-devtools</artifactId>
   <optional>true</optional>
</dependency>

idea:

1.

<!-- 热部署依赖 -->
<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-devtools</artifactId>
   <optional>true</optional>
</dependency>

2.eclipse 、idea 实现热部署

3.ctrl+shift+alt+/

eclipse 、idea 实现热部署

4.

.eclipse 、idea 实现热部署

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