解析如何去掉CodeIgniter URL中的index.php

RewriteEngine on 
RewriteCond $1 !^(index/.php|images|robots/.txt) 
RewriteRule ^(.*)$ /index.php/$1 [L]

/*
|--------------------------------------------------------------------------
| Index File
|--------------------------------------------------------------------------

| Typically this will be your index.php file, unless you've renamed it to
| something else. If you are using mod_rewrite to remove the page set this
| variable so that it is blank.

*/
$config['index_page'] = '';