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>