location .* {
# Allow any files or directories that exist to be displayed directly
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
# Allow any files or directories that exist to be displayed directly
RewriteCond %{REQUEST_FILENAM ...
和底下的RewriteRule .* index.php/$0 [PT]合起来就是
if ( !-e $request_filename ) {
rewrite .* $install_dir/index.php/$0 last;
}