本文来自：http://www.cnblogs.com/justforcon/p/6792039.html

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0

                              https://maven.apache.org/xsd/settings-1.0.0.xsd">

    <localRepository />

    <interactiveMode />

    <usePluginRegistry />

    <offline />

    <pluginGroups />

    <servers />

    <mirrors>

        <mirror>

        <id>nexus-aliyun</id>

        <mirrorOf>*</mirrorOf>

        <name>Nexus aliyun</name>

        <url>http://maven.aliyun.com/nexus/content/groups/public</url>

    </mirror>

    </mirrors>

    <proxies />

    <profiles />

    <activeProfiles />

</settings>