使用虚拟域名啊
在http.conf 中的最后 有样本,
你做成三份,不同域名指向不同目录。如:NameVirtualHost 61.129.67.118
 
# VirtualHost example:
# Almost any Apache directive may go into a VirtualHost container.
# The first VirtualHost section is used for requests without a known
# server name.
#
<VirtualHost 61.129.67.118>
    ServerAdmin [email protected]
    DocumentRoot /www/docs/dummy-host.example.com
    ServerName dummy-host.example.com
    ErrorLog logs/dummy-host.example.com-error_log
    CustomLog logs/dummy-host.example.com-access_log common
</VirtualHost><VirtualHost 61.129.67.118>
    ServerAdmin [email protected]
    DocumentRoot /www/docs/dummy-host.example2.com
    ServerName dummy-host.example2.com
    ErrorLog logs/dummy-host.example.com-error2_log
    CustomLog logs/dummy-host.example.com-access_log2 common
</VirtualHost><VirtualHost 61.129.67.118>
    ServerAdmin [email protected]
    DocumentRoot /www/docs/dummy-host.example3.com
    ServerName dummy-host.example3.com
    ErrorLog logs/dummy-host.example3.com-error_log
    CustomLog logs/dummy-host.example3.com-access_log common
</VirtualHost>就可以了  重新启动httpd 
如果ok 别忘记给我加分数