将web服务器端口更改为80端口

<Host name="localhost" appBase="webapps"

unpackWARs="true" autoDeploy="true">

<Context path="/itcast" docBase="D:\tomcat\apache-tomcat-7.0.32\webapps\ROOT\">

<!-- SingleSignOn valve, share authentication between web applications

Documentation at: /docs/config/valve.html -->

<!--

<Valve className="org.apache.catalina.authenticator.SingleSignOn" />

-->

<!-- Access log processes all example.

Documentation at: /docs/config/valve.html

Note: The pattern used is equivalent to using pattern="common" -->

<Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"

prefix="localhost_access_log." suffix=".txt"

pattern="%h %l %u %t "%r" %s %b" />

</Host>