web.xml：内容
<?xml version="1.0" encoding="UTF-8"?><web-app version="2.5" ????xmlns="http://java.sun.com/xml/ns/javaee" ????xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ????xsi:schemaLocation="http://java.sun.com/xml/ns/javaee ????http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> ?<welcome-file-list> ???<welcome-file>a.html</welcome-file> ?</welcome-file-list></web-app>二：
修改端口号为80端口号：
???--> ???<Connector port="80" protocol="HTTP/1.1" ??????????????connectionTimeout="20000" ??????????????redirectPort="8443" />修改虚拟路径：
??????<Host name="www.systest.com" ?appBase="d:\home"> ??????????<Context path="" ?docBase="d:\home\mail"/> ???????????</Host>添加host
# Localhost (DO NOT REMOVE) Start#127.0.0.1 localhost127.0.0.1 ??www.systest.com启动tomcat:
web直接通过域名访问笔记
原文地址：http://blog.51cto.com/357712148/2104265