POST方式：
if request.method == 'POST':
body_str = request.body.decode('utf-8')
post_data = parse_qs(body_str)
post_dict = {}
for k, v in post_data.items():
post_dict[k] = v[0]
print(post_dict['subject'], post_dict['trade_no'])
GET方式：
data_json = json.loads(request.body)
price = data_json.get('price')
标签：传参,body,python,request,json,dict,post,data From： https://www.cnblogs.com/mentu21/p/16716544.html