<VirtualHost ip:80>       
         rewriteengine on        
         rewritecond %{HTTP_HOST} [^.]+\.域名\.com$        
         rewriterule ^(.+) %{HTTP_HOST}$1 [C]        
         rewriterule ([^.]+)\.域名\.com(.*) /$1$2        
         其他配置文件        
</VirtualHost>

Apache:
<VirtualHost *:80>
     DocumentRoot /usr/local/pengpeng/xspace/
     ServerName x.243.com
     ServerAlias  *.x.243.com
</VirtualHost>

<VirtualHost *:80>
     DocumentRoot /usr/local/pengpeng/xhome/
     ServerName home.243.com
     ServerAlias  *.home.243.com
</VirtualHost>
Resin:
    <host id="home.243.com" root-directory=".">
       <host-alias-regexp>^([^/]*).home.243.com</host-alias-regexp>
       <redeploy-mode>manual</redeploy-mode>
       <web-app id="/" document-directory="/usr/local/pengpeng/xhome/"/>
    </host>
    <host id="x.243.com" root-directory=".">
       <host-alias-regexp>^([^/]*).x.243.com</host-alias-regexp>
       <redeploy-mode>manual</redeploy-mode>
       <web-app id="/" document-directory="/usr/local/pengpeng/xspace/"/>
    </host>

多域名：
apache:

<VirtualHost *:80>
     DocumentRoot /usr/local/pengpeng/channel/
     ServerName blog.pengpeng.com
    
     RewriteEngine On
         # 来自"Host:"头的ServerName ，可能大小写混杂
         RewriteMap lowercase int:tolower
         # 检查hostname正确与否，之后才能使RewriteRule起作用
     RewriteCond ${lowercase:%{HTTP_HOST}} ^blog.pengpeng.com(.*)$
     RewriteCond %{REQUEST_URI} !^/(.+\.do)$
     RewriteRule     ^/index.jsp$    /blog/index.jsp      [PT]
    
</VirtualHost *:80>
<VirtualHost *:80>
     DocumentRoot /usr/local/pengpeng/channel/
     ServerName show.pengpeng.com
    
     RewriteEngine On
         # 来自"Host:"头的ServerName ，可能大小写混杂
         RewriteMap lowercase int:tolower
         # 检查hostname正确与否，之后才能使RewriteRule起作用
     RewriteCond ${lowercase:%{HTTP_HOST}} ^show.pengpeng.com(.*)$
     RewriteCond %{REQUEST_URI} !^/(.+\.do)$
     RewriteRule     ^/index.jsp$    /show/index.jsp      [PT]
    
</VirtualHost *:80>
<VirtualHost *:80>
     DocumentRoot /usr/local/pengpeng/channel/
     ServerName photo.pengpeng.com
    
     RewriteEngine On
         # 来自"Host:"头的ServerName ，可能大小写混杂
         RewriteMap lowercase int:tolower
         # 检查hostname正确与否，之后才能使RewriteRule起作用
     RewriteCond ${lowercase:%{HTTP_HOST}} ^photo.pengpeng.com(.*)$
     RewriteCond %{REQUEST_URI} !^/(.+\.do)$
     RewriteRule     ^/index.jsp$    /photo/index.jsp      [PT]
    
</VirtualHost *:80>
Resin:
<host id="channel.pengpeng.com" root-directory=".">
      <host-alias>blog.pengpeng.com</host-alias>
      <host-alias>show.pengpeng.com</host-alias>
      <host-alias>photo.pengpeng.com</host-alias>
      <web-app id="/" document-directory="/usr/local/pengpeng/channel/"/>
    </host>