假設(shè)有兩個(gè)域名：a.com.cn；b.a.com.cn；兩個(gè)域名如何共享cookie？server?{????listen???????80;????server_name??a.com.cn;????location?/?{????????proxy_pass?http://ip1:port1;????}}server?{????listen???????80;????server_name??b.a.com.cn;????location?/?{????????proxy_pass?http://ip2:port2;????}}