settings.xml的配置

1、配置阿里云镜像

<mirror>
       <id>alimaven</id>
       <name>aliyun maven</name>
       <url>
​​​           http://maven.aliyun.com/nexus/content/groups/public/​​​       </url>
       <mirrorOf>central</mirrorOf>        </mirror>
 
2、配置仓库地址
<localRepository>C:/m2/repository</localRepository>
 
3、配置jdk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>