参考：
https://ding-doc.dingtalk.com/doc#/serverapi2/qf2nxq

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python代码：

import time
import hmac
import hashlib
import base64
import urllib.parse
import json
import requests

timestamp = str(round(time.time() * 1000))
secret = ‘SEC79b7XXXXXXX829441b132e3d2b23’
secret_enc = secret.encode(‘utf-8’)
string_to_sign = ‘{}\n{}’.format(timestamp, secret)
string_to_sign_enc = string_to_sign.encode(‘utf-8’)
hmac_code = hmac.new(secret_enc, string_to_sign_enc, digestmod=hashlib.sha256).digest()
sign = urllib.parse.quote_plus(base64.b64encode(hmac_code))
print(timestamp)
print(sign)

url = ‘https://oapi.dingtalk.com/robot/send?access_token=b20b5244ceb03XXXXXXXX6c85f04794eea71dddad9c6722657f&timestamp=’+timestamp+’&sign=’+sign

data = json.dumps(
{“msgtype”: “text”, “text”: {“content”: “陈漂亮，你就是一朵闪亮的大呲花”}})
headers = {‘content-type’: ‘application/json’,
‘accept’: ‘/’}
r = requests.post(url, data, headers=headers)