先贴一下nginx的配置

http {
    include       mime.types;
    default_type  application/octet-stream;
    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';
    #access_log  logs/access.log  main;
    sendfile        on;
    #tcp_nopush     on;
    #keepalive_timeout  0;
    keepalive_timeout  65;
    #gzip  on;
    server {
       listen     80;
       server_name e.com;
       # rewrite ^(.*) https://$server_name$1 permanent;
       return 301 https://$host$request_uri;
	   # gzip config
	   gzip on;
	   gzip_min_length 1k;
	   gzip_comp_level 9;
	   gzip_types text/plain text/css text/javascript application/json application/javascript application/x-javascript application/xml;
	   gzip_vary on;
	   gzip_disable "MSIE [1-6]\.";
	   root /opt/hengze/dist;
	
        location / {
          root /dist；
          index  index.html;
        }
        #error_page  404              /404.html;
        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}
        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #    root           html;
        #    fastcgi_pass   127.0.0.1:9000;
        #    fastcgi_index  index.php;
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
        #    include        fastcgi_params;
        #}
        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
	location ^~/api/ {
        	proxy_pass https://e.com/; #修改此地址为后台服务地址
        	proxy_set_header X-Forwarded-Proto $scheme;
        	proxy_set_header Host $host:$server_port;
        	proxy_set_header X-Real-IP  $remote_addr;
        	proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        	proxy_http_version 1.1;
        	proxy_set_header Upgrade $http_upgrade;
        	proxy_set_header Connection "upgrade";
        	proxy_connect_timeout   1;
        	proxy_buffering off;
        	chunked_transfer_encoding off;
        	proxy_cache off;
        	proxy_send_timeout      30m;
        	proxy_read_timeout      30m;
        	client_max_body_size    100m;
    		}
    }
    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;
    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}
    # HTTPS server
    #
    server {
        listen       443 ssl;
        server_name  e.com;
        ssl_certificate      cert/e.com.pem;
        ssl_certificate_key  cert/e.com.key;
        ssl_session_cache    shared:SSL:1m;
        ssl_session_timeout  5m;
        ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE:ECDH:AES:HIGH:!NULL:!aNULL:!MD5:!ADH:!RC4;
        ssl_protocols TLSv1.1 TLSv1.2 TLSv1.3;
        ssl_prefer_server_ciphers  on;
        
        location / {
#        解决wesock问题
		proxy_http_version 1.1;
		proxy_set_header Upgrade $http_upgrade;
		proxy_set_header Connection "upgrade";
		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
		proxy_set_header X-Real-IP $remote_addr;
		#从这里往下三行处理前后端服务在一个服务器中
        	proxy_set_header X-Real-IP $remote_addr;
         	proxy_set_header Host $http_host;
         	proxy_pass http://localhost;
        }
    }
}

return和rewrite都已经试过了，都是多次重定向导致无法进入页面

后续在https区域中将连接后端地址的api区域复制过来后，再加上下方代码完美解决

#将所有HTTP请求通过rewrite指令重定向到HTTPS。

rewrite ^(.*)$ https://$host$1;