如何利用Nginx做一个基于路径的虚拟主机配置

server {
  listen 80;
  server_name example.com;
 
  location / {
    root /var/www/example1;
    index index.html;
  }
 
  location /blog {
    root /var/www/example2;
    index index.php;
  }
}