改变maven默认的编译版本

 

  <build>
  	<plugins>
  		<plugin>
  			<groupId>org.apache.maven.plugins</groupId>
  			<artifactId>maven-compiler-plugin</artifactId>
  			<configuration>
  				<target>1.6</target>
  				<resource>1.6</resource>
  			</configuration>
  		</plugin>
  	</plugins>
  </build>