方法1

        location / {
            index  index.html index.htm;
            add_header Cache-Control no-cache,no-store;
            try_files $uri $uri/ /index.html;
            #include mime.types;
            if ($request_filename ~* .*\.(htm|html)$) 
            {
              add_header Cache-Control "private, no-store, no-cache, must-revalidate, proxy-revalidate";
            }
        }

方法2

        location / {
            index  index.html index.htm;
            add_header Cache-Control no-cache,no-store;
            try_files $uri $uri/ /index.html;
            #include mime.types;
            #if ($request_filename ~* .*\.(htm|html)$) 
            #{
            #  add_header Cache-Control "private, no-store, no-cache, must-revalidate, proxy-revalidate";
           # }
        }
       location = /index.html {
            #add_header Cache-Control "no-cache, no-store, must-revalidate";
            add_header Cache-Control "private, no-store, no-cache, must-revalidate, proxy-revalidate";
            add_header Pragma "no-cache";
            add_header Expires "0";
    }