起步 对于一些字符,python2和python3的md5加密出来是不一样的. # python2.7 pwd = "xxx" + chr(163) + "fj" checkcode = hashlib.md5(pwd).hexdigest() print checkcode # ea25a328180680aab82b2ef8c456b4ce # python3.6 pwd = "xxx" + chr(163) + "fj" checkcode = hashlib.md5(pwd.encode("utf-8")).hexdigest() print(checkcode) # b517e07