将Maven源修改为阿里云镜像

• 场景：操作系统为Ubuntu，idea版本2018.3
• 打开~/.m2/settings.xml 文件
• 修改文件内容如下：

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
                          https://maven.apache.org/xsd/settings-1.0.0.xsd">

        <localRepository>
        /home/fmr/.m2/repository
    </localRepository>
      <mirrors>
          <mirror>
            <id>aliyunmaven</id>
            <mirrorOf>*</mirrorOf>
            <name>阿里云公共仓库</name>
            <url>https://maven.aliyun.com/repository/public </url>
        </mirror>
          <mirror>
            <id>aliyunmaven</id>
            <mirrorOf>*</mirrorOf>
            <name>阿里云谷歌仓库</name>
            <url>https://maven.aliyun.com/repository/google</url>
        </mirror>
          <mirror>
            <id>aliyunmaven</id>
            <mirrorOf>*</mirrorOf>
            <name>阿里云阿帕奇仓库</name>
            <url>https://maven.aliyun.com/repository/apache-snapshots</url>
        </mirror>
      </mirrors>
</settings>

• 查看阿里云仓库中给出的url，验证setting.xml配置文件中配置的url是否有效

  
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