Nginx 强制 https 仅用于索引页面

尝试这样的事情应该接近工作。我还没有测试它，所以可能会有错别字，但它至少应该给你一些指导。

# You might address PHP some other way
upstream php {
  server 127.0.0.1:9001;
}

server {
  server_name www.example.com example.com;
  listen 443 ssl http2;
  ssl_certificate /path/fullchain;
  ssl_certificate_key /path/privkey;

  # the index.php?$args is for wordpress, you can remove it
  try_files $uri $uri/ /index.php?$args; 

  # Single URL
  location = /index.php {
    # plus other PHP settings and parameters
    fastcgi_pass php; 
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
  }

  # Every other URL
  location / {
    return 301 http://www.example.com$request_uri;
  }

  # Run PHP scripts
  location ~ \.php$ {
    # plus other PHP settings and parameters
    fastcgi_pass php; 
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
  }
}

# Insecure server
server {
  server_name www.example.com example.com;
  listen 80 default_server;

  # the index.php?$args is for wordpress, you can remove it
  try_files $uri $uri/ /index.php?$args; 

  location = /index.php {
    return 301 https://www.example.com/index.php;
  }

  location / {
    root /var/www/site;
  }

  location ~ \.php$ {
    # plus other PHP settings and parameters
    fastcgi_pass php; 
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
  }
}