场景: 如果maven setting.xml 中没指定国内的镜像
可以通过在项目中的pom中指定
<repositories>
<!--阿里云仓库-->
<repository>
<id>aliyun</id>
<name>aliyun-maven</name>
<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
</repository>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://maven.aliyun.com/repository/spring</url>
</repository>
<repository>
<id>central</id>
<name>maven-central</name>
<url>http://central.maven.org/maven2/</url>
</repository>
</repositories>
指定repository :
<properties>
<java.version>1.8</java.version>
</properties>
<repositories>
<!-- 代码库 -->
<repository>
<id>maven-ali</id>
<url>http://maven.aliyun.com/nexus/content/groups/public//</url>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
<checksumPolicy>fail</checksumPolicy>
</snapshots>
</repository>
</repositories>
<repository>
<id>maven-net-cn</id>
<name>Maven China Mirror</name>
<url>http://maven.net.cn/content/groups/public/</url>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
<repository>
<id>central</id>
<name>Central Repository</name>
<url>https://repo.maven.apache.org/maven2</url>
<layout>default</layout>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
其他源:
<repositories>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
<repository>
<id>repository.springframework.maven.release</id>
<name>Spring Framework Maven Release Repository</name>
<url>http://maven.springframework.org/milestone/</url>
</repository>
<repository>
<id>org.springframework</id>
<url> http://maven.springframework.org/snapshot</url>
</repository>
<repository>
<id>spring-milestone</id>
<name>Spring Maven MILESTONE Repository</name>
<url>http://repo.spring.io/libs-milestone</url>
</repository>
<repository>
<id>spring-release</id>
<name>Spring Maven RELEASE Repository</name>
<url>http://repo.spring.io/libs-release</url>
</repository>
</repositories>
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