maven first free installation configuration

Enter maven根目录-> conf->settings.xml

Add a local maven directory<localRepository>

<localRepository>E:\software\apache-maven-3.6.2\maven-repo</localRepository>

Add Ali cloud images

<mirrors>
    <mirror>
      <id>alimaven</id>
      <name>aliyun maven</name>
      <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
      <mirrorOf>central</mirrorOf>        
    </mirror>
  </mirrors>