springboot 热启动
热启动依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency>
idea 默认不会进行自动编译，还需要设置 idea 自动编译
Settings>Compiler> 勾选 Build project automatically
shift+ctrl+alt+/ 打开 Registry 。勾选 compiler.automake.allow.when.app.running
