<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
</dependencies>
配置IDEA以使其支持devtools:
因为IDEA默认不会自动build项目,因此需要手动设置,如下:ctrl+alt+s -> buld, deployment -> compiler -> 将build project automatically打开;ctrl+shift+alt+/ -> registry -> 将compiler.automake.allow.when.app.running打开