mvn设置编译环境

<plugin>  
                <artifactId>maven-compiler-plugin</artifactId>  
                <version>2.0.2</version>  
                <configuration>  
                    <source>1.5</source>  
                    <target>1.5</target>  
                </configuration>  
            </plugin>

maven手动建立过程：

mvn archetype:generate