maven记录

maven环境变量
M2_HOME:C:\Program Files\Apache Software Foundation\apache-maven-3.0.4
M2:%M2_HOME%\bin
MAVEN_OPTS:-Xms256m -Xmx512m (可选）
Path:%M2%

mvn -v

maven常用的respository：

http://download.java.net/maven/2/
http://repository.jboss.com/maven2/

全局的镜像：

<mirror>
 <!--This sends everything else to /public -->
 <id>nexus</id>
 <mirrorOf>*</mirrorOf>
 <url>http://localhost:8081/nexus/content/groups/public</url>
</mirror>