<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <optional>true</optional> </dependency> <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>
配置 IDEA settings
Ctrl + Shift + Alt + / 选择Registry