1. Ruqirement
nginx accepts the request url uniformly and forwards it
http://172.16.51.91:9000/api/order/create/44010000
http://172.16.51.91:9000/api/order/create/44060000
目标：
http://172.15.10.13:9001/api/order/create
http://172.15.10.13:9002/api/order/create
2. nginx Settings

server {
        listen      9000;
        server_name  172.16.51.91;

		location ~*(44010000)$ {
                rewrite ^/(.*)/44010000$ http://172.15.10.13:9001/$1 permanent;
        }
		 location ~*(44060000)$ {
                 rewrite ^/(.*)/44060000$ http://172.15.10.13:9002/$1 permanent;
        }	

}