在你的本地仓库上 setting文件中配置，一旦nexus服务关闭是无法下载的
1 配置nexus镜像
<mirror>
<id>central1</id>
<mirrorOf>*</mirrorOf>
<url>http://localhost:8081/nexus/content/groups/public/</url>
</mirror>
2 配置从哪个neuxs仓库下载
<profile>
<id>nexus</id>
<repositories>
<repository>
<id>central1</id>
<url>http://localhost:8081/nexus/content/groups/public/</url>
<releases><enabled>true</enabled></releases>
<snapshots><enabled>true</enabled></snapshots>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>central1</id>
<url>http://localhost:8081/nexus/content/groups/public/</url>
<releases><enabled>true</enabled></releases>
<snapshots><enabled>true</enabled></snapshots>
</pluginRepository>
</pluginRepositories>
</profile>
</profiles>