setting.xml中的profiles增加profile
<profile>
<id>1.8</id>
<activation>
<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>
setting.xml中激活profile
<activeProfiles>
<activeProfile>1.8</activeProfile>
</activeProfiles>
