spring boot（二）热部署

     <!--添加spring-boot-devtools的jar包-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
            <scope>true</scope>
        </dependency>

<plugin>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-maven-plugin</artifactId>
    <configuration>
        <!--fork :  如果没有该项配置，肯定devtools不会起作用，即应用不会restart -->
        <fork>true</fork>
    </configuration>
</plugin>