maven配置jetty9插件

<!-- jetty插件 -->
<plugin>
    <groupId>org.eclipse.jetty</groupId>
    <artifactId>jetty-maven-plugin</artifactId>
    <version>9.4.5.v20170502</version>
    <configuration>
        <httpConnector>
            <port>8000</port>
        </httpConnector>
        <webApp>
            <contextPath>/bbs</contextPath>
        </webApp>
        <!--热部署-->
        <scanIntervalSeconds>10</scanIntervalSeconds>
    </configuration>
</plugin>