springboot开启热部署Devtools

1. Adding devtools to your project

<dependency>
    <groupId>org.springframework.bootgroupId>
    <artifactId>spring-boot-devtoolsartifactId>
    <scope>runtimescope>
    <optional>trueoptional>
dependency>

2. Adding plugin to your pom.xml

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-maven-pluginartifactId>
            <configuration>
                <fork>truefork>
                <addResources>trueaddResources>
            configuration>
        plugin>
    plugins>
build>
 

3. Enabling automatic build
   

4. Update the value of
   
   

5. idea重启（2019版本不需要重启即可生效）