yii2 怎么写htaccess，这里分前后台，就是/frontend/web/index.php与/backend/web/index.php

Options +FollowSymLinks
IndexIgnore /
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . index.php
将其保存为.htaccess
分别保存到