下载完maven后我们需要配置maven的setting.xml文件，maven的配置文件在你安装maven的路径如下：
image
所有的配置都在 settings标签里
<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">
.....
</settings>
一、配置本地仓库地址
<localRepository>C:\maven\apache-maven-3.6.3\m2</localRepository>
二、配置远程仓库镜像
<mirrors> <mirror>
<id>alimaven</id>
<name>aliyun maven</name>
<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
<mirrorOf>central</mirrorOf>
</mirror>
<mirror>
<id>alimaven</id>
<mirrorOf>central</mirrorOf>
<name>aliyun maven</name>
<url>http://maven.aliyun.com/nexus/content/repositories/central/</url>
</mirror>
<mirror>
<id>ibiblio</id>
<mirrorOf>central</mirrorOf>
<name>Human Readable Name for this Mirror.</name>
<url>http://mirrors.ibiblio.org/pub/mirrors/maven2/</url>
</mirror>
<mirror> <id>jboss-public-repository-group</id>
<mirrorOf>central</mirrorOf>
<name>JBoss Public Repository Group</name>
<url>http://repository.jboss.org/nexus/content/groups/public</url>
</mirror>
<mirror>
<id>central</id>
<name>Maven Repository Switchboard</name>
<url>http://repo1.maven.org/maven2/</url>
<mirrorOf>central</mirrorOf>
</mirror>
<mirror>
<id>repo2</id>
<mirrorOf>central</mirrorOf>
<name>Human Readable Name for this Mirror.</name>
<url>http://repo2.maven.org/maven2/</url>
</mirror>
</mirrors>
