tomcat二级域名

<Server port="8005" shutdown="SHUTDOWN">
  <Service name="Catalina">
    <Connector port="8080" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" />

    <Engine name="Catalina" defaultHost="localhost">
      <Realm className="org.apache.catalina.realm.LockOutRealm">
        <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
               resourceName="UserDatabase"/>
      </Realm>

      <Host name="localhost"  appBase="webapps"
            unpackWARs="true" autoDeploy="true">
        <Context path="/blog" docBase="blog" reloadable="true"/>
        <Context path="/shop" docBase="shop" reloadable="true"/>
      </Host>

      <Host name="blog.example.com" appBase="webapps"
            unpackWARs="true" autoDeploy="true">
        <Context path="" docBase="blog" reloadable="true"/>
      </Host>

      <Host name="shop.example.com" appBase="webapps"
            unpackWARs="true" autoDeploy="true">
        <Context path="" docBase="shop" reloadable="true"/>
      </Host>
    </Engine>
  </Service>
</Server>