<!-- pom.xml 添加依赖模块 -->
<!-- 热部署模块 -->
<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 -->
</dependency>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<fork>true</fork>
</configuration>
</plugin>
二、修改idea配置
1、“File” -> “Settings” -> “Build,Execution,Deplyment” -> “Compiler”,选中打勾 “Build project automatically” 。
2、组合键:“Shift+Ctrl+Alt+/” ,选择 “Registry” ,选中打勾 “compiler.automake.allow.when.app.running”