idea修改maven镜像

https://jingyan.baidu.com/article/c33e3f482455d2ea15cbb526.html

https://blog.youkuaiyun.com/qq_32588349/article/details/51461182

阿里的镜像地址

<mirror>

    <id>alimaven</id>

    <name>aliyun maven</name>

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

    <mirrorOf>central</mirrorOf>

</mirror>