dictA={"a":"1","c":"3","e":"5","d":"4","b":"2"} dictA = { " a " : " 1 " , " c " : " 3 " , " e " : " 5 " , " d " : " 4 " , " b " : " 2 " } dictA = sorted(dictA.items() ) keyValue = " & " .join([ ' {}={} ' .format(*i) for i in dictA]) print (keyValue)

运行结果：

a=1&b=2&c=3&d=4&e=5

测试应用：

接口文档：

def sign(json_data, secret_string): new_list = sorted(json_data.items()) # 将字典按照key正序排列 # 将字典按照key1=value1&key2=value2……的形式转化为字符串 key_value = " & " .join([ ' {}={} ' .format(*i) for i in new_list]) # MD5加密 md5 = hashlib.md5() new_string = key_value + secret_string md5.update(new_string.encode( " utf-8 " )) sign_string = md5.hexdigest() return sign_string.upper() # 输出字符串字母大写 if __name__ == ' __main__ ' : data = { " access_key " : " Tmzlwrbym9OMkSDd " , " taskName " : " 任务A " , " templateId " : 31 } secret = " Ze2a7acuSBciveXD9svyLSqpU7ErCIcr " print (sign(data, secret))

运行结果：