maven配置

1.下载maven
https://mirror.bit.edu.cn/apache/maven/maven-3/3.5.4/binaries/

Maven->Installations
Maven->User Setting

2.配置setting.xml
<?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">
  <!-- 你自己的仓库地址 -->
  <localRepository>D:\repository</localRepository>

  <mirrors>
    <!--
    <mirror>
      <id>mirrorId</id>
      <mirrorOf>repositoryId</mirrorOf>
      <name>Human Readable Name for this Mirror.</name>
      <url>http://my.repository.com/repo/path</url>
    </mirror>
    -->
    <mirror>
        <id>aliyun</id>
        <name>aliyun Maven</name>
        <mirrorOf>*</mirrorOf>
        <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
    </mirror>
  </mirrors>
  <profiles>
  </profiles>
</settings>