Maven修改jdk版本

<build>
     <plugins>
         <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-compiler-plugin</artifactId>
             <configuration>
                 <source>1.6</source>
                 <target>1.6</target>
                 <encoding>UTF-8</encoding>
             </configuration>
         </plugin>
     </plugins>
 </build>