# 请求头条支付后端获取trade_no
data = {
"app_id":"字节跳动分配的支付app_id",
"method":"tp.trade.create",
"charset":"utf-8",
"sign_type":"MD5",
"timestamp":int(time.time()),
"version":"1.0",
"biz_content":json.dumps({
"out_order_no":order_id,
"uid":user_id,
"merchant_id":"字节跳动分配的支付商户号",
"total_amount":fee, # 注意不能有小数
"currency":"CNY",
"subject":"支付显示的信息",
"body":"商户订单详情",
"trade_time":int(time.time()-10),
"valid_time":"15",
"notify_url":"支付宝支付回调地址",
"risk_info":json.dumps({"ip":"用户ip", "device_id":"暂不清楚这个设备号是什么东东"}),
})
}
# 生成头条的签名字符串
# 按照key的ASCII码升序排序
sign_list = []
for key, value in data.items():
sign_list.append("%s=%s" % (key, value))
sign_list.sort() # 升序
data["sign"] = md5("&".join(sign_list) + "字节跳动分配的支付秘钥")
print("首次请求生成的sign", data["sign"])
url = "https://tp-pay.snssdk.com/gateway"
header = {"Content-Type": "application/x-www-form-urlencoded"}
response = requests.post(url, data=data, headers=header)
response = json.dumps(response.json(), ensure_ascii=False)
response = json.loads(response)
print(response)
trade_no = response.get("response").get("trade_no")
# 拼接支付宝的url参数，此处为封装的类，
alipay = AliPayAgent()
params = alipay.create_app_trade(
out_trade_no=order_id,
total_amount=fee / 100,
subject="支付显示的信息")
if not params:
return jsonify({'message': '支付失败'}), 400
# 前端调起支付需要的参数
data1 = {
"app_id": "字节跳动分配的支付app_id",
"sign_type": "MD5",
"timestamp": str(int(time.time()*1000)), # 为字符串
"trade_no": trade_no,
"merchant_id": "字节跳动分配的支付商户号",
"uid": user_id, # 前端传递
"total_amount": fee, # 注意不能有小数
"params": json.dumps({"url":params})
}
sign_list1 = []
for key, value in data1.items():
sign_list1.append("%s=%s" % (key, value))
sign_list1.sort() # 升序
data1["sign"] = md5("&".join(sign_list1) + "字节跳动分配的支付秘钥")
return jsonify({
"code": 200,
"orderInfo":data1 # 前端拿着这个字段里的信息，再按文档拼接相关的信息，即可成功调起支付
})
