目前我通过修改httpd-vhosts.conf和hosts文件，想要达到泛解析的目的。
但是在hosts文件中需要将要解析的域名事先写好。感觉这样子很麻烦，不知道有没有更好的实现方法呢？
httpd-vhosts.conf

<VirtualHost *:80>
    DocumentRoot "d:/www/"
    ServerName test.com
    ServerAlias *.test.com
</VirtualHost>

hosts文件

127.0.0.1       1.test.com
127.0.0.1       2.test.com
127.0.0.1       3.test.com
127.0.0.1       4.test.com
127.0.0.1       5.test.com
127.0.0.1       6.test.com
127.0.0.1       7.test.com
127.0.0.1       8.test.com
127.0.0.1       9.test.com
127.0.0.1       10.test.com
127.0.0.1       11.test.com
127.0.0.1       12.test.com
127.0.0.1       13.test.com
127.0.0.1       14.test.com
127.0.0.1       15.test.com
127.0.0.1       16.test.com
127.0.0.1       17.test.com
127.0.0.1       18.test.com
127.0.0.1       19.test.com
127.0.0.1       20.test.com
127.0.0.1       21.test.com
127.0.0.1       22.test.com
127.0.0.1       23.test.com
127.0.0.1       24.test.com
127.0.0.1       25.test.com
127.0.0.1       26.test.com
127.0.0.1       27.test.com
127.0.0.1       28.test.com
127.0.0.1       29.test.com
127.0.0.1       30.test.com