maven本地jar

<dependency>  
      <groupId>javax.mail</groupId>  
      <artifactId>mail</artifactId>  
      <version>1.5.0</version>  
      <scope>system</scope>  
      <systemPath>${basedir}/src/main/webapp/WEB-INF/lib/javax.mail.jar</systemPath>    
    </dependency>