<mirrors>

    <!-- mirror

     | Specifies a repository mirror site to use instead of a given repository. The repository that

     | this mirror serves has an ID that matches the mirrorOf element of this mirror. IDs are used

     | for inheritance and direct lookup purposes, and must be unique across the set of mirrors.

     |

    <mirror>

      <id>mirrorId</id>

      <mirrorOf>repositoryId</mirrorOf>

      <name>Human Readable Name for this Mirror.</name>

      <url>http://my.repository.com/repo/path</url>

    </mirror>

     -->  

  </mirrors>  

<mirror>

 <id>alimaven</id>

 <mirrorOf>central</mirrorOf>

 <name>aliyun maven</name>

 <url>http://maven.aliyun.com/nexus/content/repositories/central/</url>

</mirror>