$sql = "SELECT * FROM $dbtable";

$result = mysql_db_query($dbname,$sql);

?>

<table bgcolor="black">

<tr><td>

<table>

</td></tr>

</table>

</body>

</html>

注意，我们竟能在同一文件中同时有HTML和PHP命令。这就是PHP脚本的奇妙之处。

虚拟主机的设置

现在是设置Apache处理一些虚拟主机的时间了。由于Apache提供的灵活性，虚拟主机可很简单地做到。首先你需要一个DNS服务器把虚拟主机的域名指向web服务器的IP地址。在DNS使用一个CNAME记录把 your_virtual_domain.com指向服务器的IP。其次你需要修改Apache的配置文件httpd.conf以增加新的虚拟域名。记住，这只是一个很基本的例子，你有勇气读一下Apache的指令。

让我们看一个 httpd.conf 的例子。

httpd.conf 片断

#--------------------------------------------------------#

# VIRTUAL HOST SECTION NON-SSL

#--------------------------------------------------------#

# VirtualHost directive allows you to specify another virtual

# domain on your server. Most Apache options can be specified

# within this section.

# Mail to this address on errors

ServerAdmin webmaster@domain1.com

# Where documents are kept in the virtual domain

# this is an absolute path. So you may want to put

# in a location where the owner can get to it.

DocumentRoot /home/vhosts/domain1.com/www/

# Since we will use PHP to create basically

# all our file we put a directive to the Index file.

DirectoryIndex index.php

# Name of the server

ServerName www.domain1.com

# Log files Relative to ServerRoot option

ErrorLog logs/domain1.com-error_log

TransferLog logs/domain1.com-access_log

RefererLog logs/

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