idea设置热部署

1. 修改pom文件

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-devtools</artifactId>
    <scope>runtime</scope>
    <optional>true</optional>
</dependency>

<build>
  <plugins>
    <plugin>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-maven-plugin</artifactId>
      <configuration>
        <fork>true</fork>
        <addResources>true</addResources>
      </configuration>
    </plugin>
  </plugins>
</build>

2. 修改idea设置
   
   勾选如上图所示四项

3. 开启注册
   按住Ctrl + Shift + Alt + / ，选择Registry
   
   勾选下列两项
   

4. 重启idea