复制代码 代码如下:
AuthName "yousite Website Coming Soon..." //如果你想给你的网站加个权限访问
AuthType Basic
AuthUserFile D:/xxx/.htpasswd #如果你想设置密码访问 如何生成.htpasswd可以访问 http:///$1 [R=301,L]

#Checks to see if the user is attempting to access a valid file,
#such as an image or css document, if this isn't true it sends the
#request to index.php
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/$1 [L]
</IfModule>

<IfModule !mod_rewrite.c>
# If we don't have mod_rewrite installed, all 404's
# can be sent to index.php, and everything works as normal.
# Submitted by: ElliotHaughin

ErrorDocument 404 /index.php
</IfModule>

出处：cnblogs 微博:@草根小胡