????* ????????
??????<Host>??????????????code??
????<Context path="web3" docBase="F:/web"/>
????#####?????????????????????????????tomcat server???????path???????docbase?????λ???μ????
????????tomcat????????tomcat?????????manager?п???????????????

???????????????????涼?????????????????url????????????ok????
????* ???2??
????* ???????????????xml???????λ???%tomcat%/conf/????????/????????/
????* Context path??xml???????????????磺web4.xml
????* ?????<Context  docBase="F:/web"/>
????* ????? http://localhost:8080/web4/1.html
????* tomcat??????
????<Engine name="Catalina"> ????????
????<Host name="localhost"/> ????????
?????????????????????????E:DevelopSoftwareapache-tomcat-7.0.42confCatalinalocalhost
??????????????????????????????????μ?path??<->dacBase???????
????????????????????????????μ?web?????????tomcat????й????????????????????
????<Host name="localhost"  appBase="webapps"> ???????????server.xml??????????????????????????????????web????????url?????????
????http://localhost:8080/   ????????webapps??????????????
??????????????????????????????????????????????? ???￡?
????<Host name="????????"  appBase="F:mywebapps"> #???????????
????</Host>