163国内镜像源

<repositories>
    <repository>
      <id>nexus-163</id>
      <name>Nexus 163</name>
      <url>http://mirrors.163.com/maven/repository/maven-public/</url>
      <layout>default</layout>
      <snapshots>
        <enabled>false</enabled>
      </snapshots>
      <releases>
        <enabled>true</enabled>
      </releases>
    </repository>
  </repositories>
  <!--163第三方包下载源  -->
  <pluginRepositories>
    <pluginRepository>
      <id>nexus-163</id>
      <name>Nexus 163</name>
      <url>http://mirrors.163.com/maven/repository/maven-public/</url>
      <snapshots>
        <enabled>false</enabled>
      </snapshots>
      <releases>
        <enabled>true</enabled>
      </releases>
    </pluginRepository>
  </pluginRepositories>

 这个不行就换个法宝，在maven的config中有个settings.xml文件，替换阿里云镜像源

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