环境说明

Maven

<mirrors> 
    <!--阿里云-->
        <mirror>
                <id>nexus-aliyun</id>
                <mirrorOf>*</mirrorOf>
                <name>Nexus aliyun</name>
                <url>http://maven.aliyun.com/nexus/content/groups/public</url>
        </mirror>
</mirrors>

<profiles>
    <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>