批處理bat怎么修改xml文件指定節點的值啊<?xml version='1.0' encoding='utf-8'?><Server port=9081 shutdown=SHUTDOWN><Service name=Catalina><Connector port= protocol=HTTP/1.1connectionTimeout=20000redirectPort=8443 /><Connector port=9088 protocol=AJP/1.3 redirectPort=8443 /><Engine name=Catalina defaultHost=localhost/></Service></Server>我要修改 <Connector port= protocol=HTTP/1.1connectionTimeout=20000redirectPort=8443 />這里面port的值，要怎么操作啊。。。急求！！！！