如何设置(修改)jetty(maven插件maven-jetty-plugi)的端口

在使用jetty的maven插件，有两种方式来改变jetty server的端口，第一种方式较为简单，即：

通过命令行指定端口：mvn -Djetty.port=9999 jetty:run

另一种方式是在pom中的配置中通过指定新的connector来实现的，例如下述的配置文档：

1. <plugin>??????<groupId>org.mortbay.jetty</groupId>??
2. ????<artifactId>maven-jetty-plugin</artifactId>??????<version>6.1.26</version>??
3. ????<configuration>???????????????????????<scanIntervalSeconds>3</scanIntervalSeconds>??
4. ????????<connectors>??????????????<connector?implementation="org.mortbay.jetty.nio.SelectChannelConnector">??
5. ????????????????<port>9090</port>??????????????</connector>??
6. ????????</connectors>?????????????????????????????<scanTargetPatterns>??
7. ????????????<scanTargetPattern>??????????????????<directory>src/main/webapp/WEB-INF</directory>??
8. ????????????????<excludes>??????????????????????<exclude>**/*.jsp</exclude>??
9. ????????????????</excludes>??????????????????<includes>??
10. ????????????????????<include>**/*.properties</include>??????????????????????<include>**/*.xml</include>??
11. ????????????????</includes>??????????????</scanTargetPattern>??
12. ????????</scanTargetPatterns>??????</configuration>??
13. </plugin>?