配置文件中：httpd.conf
ErrorLog "/usr/local/var/log/apache2/error_log1"
CustomLog "/usr/local/var/log/apache2/access_log" common
虚拟站点配置文件中：httpd-vhosts.conf
<VirtualHost *:80>
DocumentRoot "/Users/andy/Sites"
ErrorLog "/usr/local/var/log/apache2/localhost-error_log"
CustomLog "/usr/local/var/log/apache2/sites-access_log" common
</VirtualHost>
日志级别：httpd.conf
#
# LogLevel: Control the number of messages logged to the error_log.
# Possible values include: debug, info, notice, warn, error, crit,
# alert, emerg.
#
LogLevel error
