maven 配置阿里云仓库

版权声明： https://blog.csdn.net/weixin_39823527/article/details/84102924

<mirror>
      <id>alimaven</id>
      <name>aliyun maven</name>
      <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
      <mirrorOf>central</mirrorOf>        
    </mirror>