一、开启idea自动make功能
1 - Enable Automake from the compiler
PRESS: CTRL + SHIFT + A
TYPE: make project automatically
PRESS: Enter
Enable Make Project automatically feature
2 - Enable Automake when the application is running
PRESS: CTRL + SHIFT + A
TYPE: Registry
Find the key compiler.automake.allow.when.app.running and enable it
Note: Restart your application now
两步：
1、CTRL + SHIFT + A --> 查找make project automatically --> 选中
2、CTRL + SHIFT + A --> 查找Registry --> 找到并勾选compiler.automake.allow.when.app.running
当然了，要在pom.xml中添加上 spring开发工具包
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional> <!-- 这个需要为 true 热部署才有效 -->
<scope>runtime</scope>
</dependency>在IDEA中开启自动编译：
