ctrl + shift + a 搜索命令:registry –> 勾选compiler.automake.allow.when.app.running*
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <optional>true</optional> <scope>true</scope> </dependency> eclipse 不用配置只添加依赖既可 <!--热部署--> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <fork>true</fork> <!-- 如果没有该配置,devtools不会生效 --> </configuration> </plugin>