pom文件引入所需jar包
springboot版本采用2.3.1
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
<springboot.version>2.3.1.RELEASE</springboot.version>
</properties>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
<version>${springboot.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<version>${springboot.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>${springboot.version}</version>
</dependency>
<!--插件里面加入热部署插件-->
<build>
<finalName>spring-boot-devtools</finalName>
<pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${springboot.version}</version>
<configuration>
<fork>true</fork>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
启动设置成热部署
修改代码后点击刷新即可
控制台重新打印SpringBoot图标就可以了