解决maven下载慢的问题

<?xml version="1.0" encoding="UTF-8"?>
<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 http://maven.apache.org/xsd/settings-1.0.0.xsd">
 <localRepository>${user.home}/.m5/repository</localRepository>
  <pluginGroups>
  </pluginGroups>
  <proxies>
  </proxies>
  <servers>
  </servers>
  <mirrors>
         <mirror>
        <id>aliyun</id>
        <name>aliyun for maven</name>
        <mirrorOf>*</mirrorOf>
        <url>https://maven.aliyun.com/repository/public</url>
   </mirror>
  </mirrors>
  <profiles>
    <profile>
   <id>jdk-1.8</id>
   <activation>
        <activeByDefault>true</activeByDefault>
      <jdk>1.8</jdk>
   </activation>
   <properties>
           <maven.compiler.source>1.8</maven.compiler.source>
           <maven.compiler.target>1.8</maven.compiler.target>
           <maven.compiler.compilerVersion>
       1.8
     </maven.compiler.compilerVersion>
         </properties>
</profile>
  </profiles>
</settings>