环境:IntelliJ IDEA,JAVA JDK8
1.新建工程Spring initializr=>Next
2.选择Type#Gradle Project=>Next
3.选择Web#打钩Web=>Next
4.修改包名&工程名=>Finish
5.确认Gradle初始化=>OK
6.运行最小Demo测试=>网页输入localhost:8080
7.Terminal输入命令打包jar=>gradlew build
8.测试打包的jar=>java -jar demo.jar=>网页输入localhost:8080