upload project/lib to nexus

1.settings.xml
    <servers>
        <server>
            <id>xxx-releases</id>
            <username>xx</username>
            <password>xxx</password>
        </server>
        <server>
            <id>xxx-snapshots</id>
            <username>xx</username>
            <password>xxx</password>
        </server>
    </servers>

2.pom.xml
    <distributionManagement>
        <repository>
            <id>xxx-releases</id>
            <name>Nexus Release Repository</name>
            <url>https://xxx-nexus.xxx.biz/repository/xxx-releases/</url>
        </repository>
        <snapshotRepository>
            <id>xxx-snapshots</id>
            <name>Nexus Snapshot Repository</name>
            <url>https://xxx-nexus.xxx.biz/repository/xxx-snapshots/</url> 
        </snapshotRepository> 
  </distributionManagement>

3.mvn clean deploy