将http重定向到https（仅前端不是管理面板）

I installed SSL for opencart but https only show up in ac login,checkout pages etc ( i know its a default behavior), i want to show it on all frontend pages (i know it may slow down website and its not necessary but my client wants it on all pages ). So i have tried this code in .htaccess file in root directoryI installed SSL for opencart but https only sho