maven 配置

添加阿里仓库  

<mirror>
      <id>alimaven</id>
      <name>aliyun maven</name>
      <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
      <mirrorOf>central</mirrorOf>        
 </mirror>

配置默认jdk1.8

<profile>  

  <id>jdk18</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>