添加Dev Tool的依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
修改maven插件
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<!--fork : 如果没有该项配置devtools不会起作用,即应用不会restart -->
<fork>true</fork>
<addResources>true</addResources><!--支持静态文件热部署-->
</configuration>
</plugin>
</plugins>
</build>
Ctrl+ Shift + A 搜索Registry ,或者 Ctrl + Alt+ Shift + / 点击Registry
设置Build Project Automatically
File –> Setting –> Build, Execution, Deployment –> Compiler –> 点击 Build project automatically