IDEA新建spring-boot时 勾选该项

勾选该项后pom.xml就会出现
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
在application.properties编写就会提示,点 后就会提示

https://blog.****.net/qq_27886997/article/details/82805624