以下是配置80和443接收请求：
1.接收到http和https可以转成http发往内部服务；
2.接收websocker建连接请求，如果后端使用netty的模式开两个线程用两个端口监听ws和wss，需要分别转发为http和https
3.https的443端口需要配置ssl证书：https://zhuanlan.zhihu.com/p/565975612
4.配置websocket要在http里配置这个：https://zhuanlan.zhihu.com/p/482686990?utm_id=0

server {
        listen       80;
        server_name  localhost 域名 本机ip;
        # disable any limits to avoid HTTP 413 for large image uploads
        client_max_body_size 0;
        #允许跨域请求的域，* 代表所有
        add_header 'Access-Control-Allow-Origin' *;
        #允许带上cookie请求
        add_header 'Access-Control-Allow-Credentials' 'true';
        #允许请求的方法，比如 GET/POST/PUT/DELETE
        add_header 'Access-Control-Allow-Methods' *;
        #允许请求的header
        add_header 'Access-Control-Allow-Headers' *;
        
		#ws转发
        location /zyk/Wss {
            proxy_pass  http://ip:port;
            proxy_connect_timeout   90s;
            proxy_send_timeout      90s;
            proxy_read_timeout      3600s;
			proxy_http_version 1.1;
			proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "Upgrade";
        }

        location /zyk {
            proxy_pass  http://ip:port;
            # disable any limits to avoid HTTP 413 for large image uploads
            client_max_body_size 0;
            proxy_set_header        Host $host;
                proxy_set_header        X-Real-IP $remote_addr;  #获取真实ip
                proxy_connect_timeout   90;
                proxy_send_timeout      90;
                proxy_read_timeout      90;
                proxy_buffer_size       4k;
                proxy_buffers           4 32k;
                proxy_busy_buffers_size 64k;
                proxy_temp_file_write_size 64k;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;#获取代理者的真实ip
                proxy_redirect          off;
        }
	location /api {
            proxy_pass  http://ip:port;
            proxy_set_header        Host $host;
                proxy_set_header        X-Real-IP $remote_addr;  #获取真实ip
                proxy_connect_timeout   90;
                proxy_send_timeout      90;
                proxy_read_timeout      90;
                proxy_buffer_size       4k;
                proxy_buffers           4 32k;
                proxy_busy_buffers_size 64k;
                proxy_temp_file_write_size 64k;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;#获取代理者的真实ip
                proxy_redirect          off;
        }
	location ^~ /local {
            alias   /usr/local/nginx/html/xxx/;
            index  index.html index.htm;
            try_files $uri $uri/ /index.html;
        }
        location / {
            root   html/xx;
            index  index.html index.htm;
            try_files $uri $uri/ /index.html;
        }
        location @router {
            rewrite ^.*$ index.html last;
        }
    }
server {
        listen       443 ssl;
        server_name  localhost 域名 本机ip;
		
		ssl_certificate      /usr/local/nginx/ssl/server.crt;  # 这个是证书的crt文件所在目录
        ssl_certificate_key  /usr/local/nginx/ssl/server.key; # 这个是证书key文件所在目录
        ssl_session_cache    shared:SSL:1m;
        ssl_session_timeout  5m;
        ssl_ciphers  HIGH:!aNULL:!MD5;
        ssl_prefer_server_ciphers  on;
		
        # disable any limits to avoid HTTP 413 for large image uploads
        client_max_body_size 0;
        #允许跨域请求的域，* 代表所有
        add_header 'Access-Control-Allow-Origin' *;
        #允许带上cookie请求
        add_header 'Access-Control-Allow-Credentials' 'true';
        #允许请求的方法，比如 GET/POST/PUT/DELETE
        add_header 'Access-Control-Allow-Methods' *;
        #允许请求的header
        add_header 'Access-Control-Allow-Headers' *;

		location /zyk/Wss {
            proxy_pass  https://ip:port;
            proxy_connect_timeout   90s;
            proxy_send_timeout      90s;
            proxy_read_timeout      3600;
			proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
			proxy_set_header Connection "Upgrade";
        }
		
        location /zyk {
            proxy_pass  http://ip:port;
            # disable any limits to avoid HTTP 413 for large image uploads
            client_max_body_size 0;
            proxy_set_header        Host $host;
                proxy_set_header        X-Real-IP $remote_addr;  #获取真实ip
                proxy_connect_timeout   90;
                proxy_send_timeout      90;
                proxy_read_timeout      90;
                proxy_buffer_size       4k;
                proxy_buffers           4 32k;
                proxy_busy_buffers_size 64k;
                proxy_temp_file_write_size 64k;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;#获取代理者的真实ip
                proxy_redirect          off;
        }
	location /api {
            proxy_pass  http://ip:port;
            proxy_set_header        Host $host;
                proxy_set_header        X-Real-IP $remote_addr;  #获取真实ip
                proxy_connect_timeout   90;
                proxy_send_timeout      90;
                proxy_read_timeout      90;
                proxy_buffer_size       4k;
                proxy_buffers           4 32k;
                proxy_busy_buffers_size 64k;
                proxy_temp_file_write_size 64k;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;#获取代理者的真实ip
                proxy_redirect          off;
        }
    }