--配置全局镜像，setting.xml

<mirrors>

<mirror>

<id>alimaven</id>

<name>aliyun maven</name>

<url>http://maven.aliyun.com/nexus/content/groups/public/</url>

<mirrorOf>central</mirrorOf>

</mirror>

</mirrors>

--配置局部镜像，pom.xml

<repositories>

<repository>

<id>alimaven</id>

<name>aliyun maven</name>

<url>http://maven.aliyun.com/nexus/content/groups/public/</url>

</repository>

</repositories>

--配置全局jdk编译版本，setting.xml

<profiles>

<!-- 设置全局jdk默认编译版本 -->

<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>

--配置局部jdk编译版本，pom.xml

<build>

<plugins>

<plugin>

<groupId>org.apache.maven.plugins</groupId>

<artifactId>maven-compiler-plugin</artifactId>

<configuration>

<source>1.8</source>

<target>1.8</target>

</configuration>

</plugin>

</plugins>

</build>