maven 设置 编码 ，jdk 版本

 <profile>
            <id>jdk1.8</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>   

                <encoding>UTF-8</encoding>
            </properties>   

        <repositories>
            <repository>
                  <id>local-nexus</id>
                <url>http://localhost:8081/nexus/content/groups/public/</url>
                <releases>
                    <enabled>true</enabled>
                </releases>
                <snapshots>
                    <enabled>true</enabled>
                </snapshots>
            </repository>
           <repository>
              <id>wso2</id>
                <url>http://dist.wso2.org/maven2/</url>
                <releases>
                    <enabled>true</enabled>
                </releases>
                <snapshots>
                    <enabled>true</enabled>
                </snapshots>
          </repository>
      </repositories>
     </profile>
  </profiles>