官网：https://projects.spring.io/spring-boot/

Spring Boot 2.0.0.M7 requires Java 8 and Spring Framework 5.0.2.RELEASE or above. Explicit build support is provided for Maven 3.2+ and Gradle 4.

检查JDK和Gradle

Servlet Containers
The following embedded servlet containers are supported out of the box:

servlet containers required

You can also deploy Spring Boot applications to any Servlet 3.0+ compatible container.

创建一个Spring Boot 项目

创建项目

选择JDK1.8+

选择Gradle项目

选择spring boot2.0

指定项目名称和路径

选择本地gradle

等待gradle构建完成，首次比较慢

运行

启动成功

也可以参看：https://www.jetbrains.com/help/idea/2017.1/creating-spring-boot-projects.html
或者： https://start.spring.io/