maven - 配置强制从指定仓库拉取jar包

从官方maven仓库拉取依赖，会超级慢。可配置settings.xml，强制从私服拉取

<mirrors>
     <mirror>
       <id>nexus-releases</id>
       <mirrorOf>*</mirrorOf>
       <url>http://mvn1.tools.xxx.com/nexus/content/groups/public</url>
     </mirror>
     <mirror>
       <id>nexus-snapshots</id>
       <mirrorOf>*</mirrorOf>
       <url>http://mvn1.tools.xxx.com/nexus/content/repositories/snapshots</url>
     </mirror>
   </mirrors>