Use different port to test different website in apache

Listen 81
Listen 82
Listen 83
Listen 84
Listen 85

<VirtualHost *:81>
ServerAdmin webmaster@66778.cn
DocumentRoot "C:/Program Files/Apache Group/Apache2/htdocs/asetup"
ServerName www.asetup.cn
</VirtualHost>


<VirtualHost *:82>
ServerAdmin webmaster@66778.cn
DocumentRoot "C:/Program Files/Apache Group/Apache2/htdocs/annie"
ServerName www.annie.cn
</VirtualHost>

<VirtualHost *:83>
ServerAdmin webmaster@66778.cn
DocumentRoot "C:/Program Files/Apache Group/Apache2/htdocs/66778.cn"
ServerName www.66778.cn
</VirtualHost>

<VirtualHost *:84>
ServerAdmin webmaster@66778.cn
DocumentRoot "C:/Program Files/Apache Group/Apache2/htdocs/tripod/private_html"
ServerName www.mantis.cn
</VirtualHost>

<VirtualHost *:85>
ServerAdmin webmaster@66778.cn
DocumentRoot "C:/Program Files/Apache Group/Apache2/htdocs/test"
ServerName www.mantis.cn
</VirtualHost>