图片防盗链

<VirtualHost _default_:80>  
DocumentRoot "F:phpstudyWWW"  
  <Directory "F:phpstudyWWW">  
    Options +Indexes +FollowSymLinks +ExecCGI  
    AllowOverride All  
    Order allow,deny  
    Allow from all  
    Require all granted  
  </Directory>  
  RewriteEngine on  
  RewriteCond %{HTTP_REFERER} !^$  
  RewriteCond %{HTTP_REFERER} !^http://localhost/ [NC]  
   RewriteRule .(gif|jpg|png)$ https://www.baidu.com/img/bd_logo1.png [L]  
</VirtualHost>