1、找到httpd的配置文件:先找httpd，再找conf
2 vi /etc/httpd/conf/httpd.conf 加入如下代码：
#Added by Zhenghua
<VirtualHost *:80>
ServerAdmin webmaster@gis.sdb.cnic.cn
DocumentRoot /disk2/user/zhxue/ECShop/upload
ServerName osg.cnic.cn
ErrorLog /disk2/user/zhxue/ECShop/Ecshop_httpd_log
CustomLog /disk2/user/zhxue/ECShop/Ecshop_aceess_log common
</VirtualHost>