解决maven项目update program之后jdk变成1.5的问题

把以下代码复制到pom.xml里 

总体的格式是

<project>

<dependencies></dependencies>

<build></build>

</project>

<bulid>


<plugins>

<plugin>

<groupId>org.apache.maven.plugins</groupId>

<artifactId>maven-compiler-plugin</artifactId>

<version>2.3.2</version>

<configuration>

<source>1.7</source>

<target>1.7</target>

<encoding>UTF-8</encoding>

</configuration>

</plugin>

</plugins>


</bulid>