https://www.cnblogs.com/huahua035/p/7680607.html
用dependencyManagement中的dependencies代替parent,和使用多个dependencies,
<type>pom</type>
<scope>import</scope>
此值固定
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>1.5.3.RELEASE</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>