windows下安装apache默认是没有开启mod_rewrite模块的,启用也很简单,修改apache配置文件httpd.conf,查找rewrite_module，
找到这行：#LoadModule rewrite_module modules/mod_rewrite.so这一行前面的#号去掉,改为LoadModule rewrite_module modules/mod_rewrite.so
备注：liunx 开启：sudo a2enmod rewrite 其实修改的文件是：/etc/apache2/mods-available
windows下配置虚拟目录：
windows下安装apache默认是没有开启mod_rewrite模块的,启用也很简单,修改apache配置文件httpd.conf,查找rewrite_module，
找到这行：#LoadModule rewrite_module modules/mod_rewrite.so这一行前面的#号去掉,改为LoadModule rewrite_module modules/mod_rewrite.so
httpd.conf在添加
--------------------------
NameVirtualHost *:80
<VirtualHost *:80>
DocumentRoot "E:wampwwwsub7"
ServerName www.erptest.com
setenv APPLICATION_ENV dev
</VirtualHost>
--------------------------------------------------这里面的内容
<Directory />
Options FollowSymLinks
AllowOverride None
Order deny,allow
Deny from all
</Directory>
在本件修改 php.ini
display_errors = On