maven添加阿里云仓库地址

<mirror>
    <id>nexus-aliyun</id>
    <mirrorOf>*</mirrorOf>
    <name>Nexus aliyun</name>
    <url>http://maven.aliyun.com/nexus/content/groups/public</url>
  </mirror>
</mirrors>

参考链接 => https://blog.csdn.net/SS33SSS/article/details/136206622