python sha256 键值对参数格式接口测试

# coding=utf-8

import requests
import time
import uuid
import hashlib
import hmac
import random
import urllib3
import threading
from config import read_yaml

urllib3.disable_warnings()

def generate_orders_all():
    # 时间戳
    millis = "%d" % (time.time() * 1000)

    # 订单号
    order_id = ''.join((str(uuid.uuid1()).split('-')))

    head_str = ''
    for i in head_data.items():
        head_str += i[0] + '=' + i[1] + '&'
    head_str = head_str[:-1]
    body_str = ''
    for i in body_data.items():
        body_str += i[0] + '=' + i[1] + '&'
    body_str = body_str[:-1]
    dict_data = {}
    dict_data.update(head_data)
    dict_data.update(body_data)

    # key_1=value_1&key_2=value_2格式
    dict_data_str = ''
    for k in sorted(dict_data):
        dict_data_str += k + '=' + dict_data[k] + '&'
    dict_data_str = dict_data_str[:-1]

    # sha256加密并转成大写
    signature_str = hmac.new(secret.encode('utf-8'), dict_data_str.encode('utf-8'), digestmod=hashlib.sha256).digest()
    signature = signature_str.hex().upper()
    param_rq = head_str + '&signature=' + signature
    print('加密后：'+param_rq)

    head = {"Content-Type": "application/x-www-form-urlencoded"}

    try:
        req = requests.post(url=url + '?' + param_rq, data=body_data, headers=head)
        print('请求url：'+req.url)
        print('返回结果：' + req.text)

    except Exception as msg:
        print('ERROR' + str(msg))