1、Apache\conf\httpd.conf

去掉 #Include config/extra/httpd-vhosts.conf 前面的#

2、Apache\conf\extra\httpd-vhosts.conf

把  

<VirtualHost *:80>
    ServerAdmin webmaster@dummy-host.example.com
    DocumentRoot "G:/Doc/Study/PHP/php/TP"
    ServerName www.b.com
    ServerAlias www.b.com
    ErrorLog "logs/dummy-host.example.com-error.log"
    CustomLog "logs/dummy-host.example.com-access.log" common
</VirtualHost>

前面的#去掉

DocumentRoot  文件目录

服务名称 解析的地址

3、配置hosts

C:\Windows\System32\drivers\etc\hosts

127.0.0.1 地址

ThinkPHP配置