1.pom文件下配置依赖:
<!-- 热跟新 -->
<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>
<!-- 添加项 -->
<configuration>
<fork>true</fork>
</configuration>
</plugin>
2.在application.properites中配置
#开启或关闭
spring.devtools.restart.enabled=true
#添加那个目录的文件需要restart
spring.devtools.restart.additional-paths=src/main/java
#排除那个目录的文件不需要restart
spring.devtools.restart.exclude=static/**,public/**
#禁止thymeleaf缓存(建议:开发环境设置为false,生成环境设置为true)
spring.thymeleaf.cache=false
3.在settings>Compiper>Build inde.... √
4.ctr+shift+alt+/ ->Resgis...> ...app.running √
5.【前端项目无法更新时是此处为修改】Eidt Configration > server > On Update 和On frame ...选项都选择Update classess and resources