Help Me For My Dog Surgery

hello everyone please help me save my dog. rocky is due for surgery number to after his injury on sunday. surgery number one didnt go so as we planned. the vet informed me today that amputation of the leg will be are best route. since the pain cause after the first surgery and the recover time is just along time to put rocky through it's not fair to him. he is only 2 years old and I can not give up on him yet no way I can so I need everyone's help to try to save my bestfriends life thanks everyone so much.