maven加载第三方jar包

　　　　　<dependency>
            <groupId>com.yeepay</groupId>
            <artifactId>yop-sdk</artifactId>
            <version>2.0.0-RC4</version>
            <scope>system</scope>
            <systemPath>${project.basedir}/lib/yop-sdk-2.0.0-RC4.jar</systemPath>
        </dependency>