利用.htaccess去除codeigiter的index.php

 Options +FollowSymLinks
 RewriteEngine on
 RewriteBase /poster
 RewriteCond $1 !^(index.php|images|robots.txt)
 RewriteCond %{REQUEST_FILENAME} !-f
 RewriteCond %{REQUEST_FILENAME} !-d
 RewriteRule ^(.*)$ index.php/$1 [QSA,L]