<profile>
      <id>nexusProfile</id>
      <repositories>
        <repository>
          <id>nexus</id>
          <name>Nexus Repository</name>
          <url>http://nexus.4sb2b.cn/repository/maven-public/</url>
          <releases>
            <enabled>true
 
</enabled>
          </releases>
          <!-- snapshot needs to enabled manually -->
          <snapshots>
            <enabled>true</enabled>
          </snapshots>
        </repository>
      </repositories>
    </profile>
    <activeProfiles>
    <!-- only take effect after active -->
      <activeProfile>nexusProfile</activeProfile>
    </activeProfiles>
 

     <mirror>
       <id>nexusMirror</id>
       <mirrorOf>nexus,central</mirrorOf>
       <name>Human Readable Name</name>
       <url>http://nexus.4sb2b.cn/repository/maven-public/</url>
     </mirror>