https://blog.csdn.net/www1056481167/article/details/60139851 maven 配置文件

settings-all.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">
	
	<mirrors>
		<!-- https://blog.csdn.net/www1056481167/article/details/60139851 -->
		
		<!--自定义添加-->
		<mirror>
			<id>repo2</id>
			<name>maven.org</name>
			<mirrorOf>central</mirrorOf>
			<url>http://repo2.maven.org/maven2/</url>
		</mirror>
		
		<!--阿里云镜像-->
		<mirror>
			<id>alimaven</id>
			<name>aliyun maven</name>
			<mirrorOf>central</mirrorOf>
			<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
		</mirror>
		
		<mirror>
			<id>ui</id>
			<mirrorOf>central</mirrorOf>
			<name>Human Readable Name for this Mirror.</name>
			<url>http://uk.maven.org/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>JBossJBPM</id>
			<mirrorOf>central</mirrorOf>
			<name>JBossJBPM Repository</name>
			<url>https://repository.jboss.org/nexus/content/repositories/releases/</url>
		</mirror>
	</mirrors>
	
	<profiles>
		<profile>
			<id>jdk1.8</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>

settings-aly.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">
	<!-- <localRepository>D:\.m2\repository</localRepository> -->
	<mirrors>
		<!--阿里云 Maven 镜像服务器配置-->
		<mirror>
			<id>aliyun</id>
			<name>aliyun Maven</name>
			 <mirrorOf>central</mirrorOf> 
			<!--<mirrorOf>*</mirrorOf>-->
			<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
		</mirror>
	</mirrors>
	<profiles>
		<profile>
			<id>jdk1.8</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>