1.注册企业微信

搜索企业微信，用自己的微信登录即可。

2.创建自定义应用


3准备发送消息的相关数据

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接着在页面的右上角点击 API文档

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4代码发送：
参考官方文档

import requests
Secret = "gHThgVQ3hsSTV3lYp8k4OQxMHcYyCiu-EX5eAP4XWy8"
corpid = 'ww8dfe8b7e1596048d'
url = 'https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid={}&corpsecret={}'
getr = requests.get(url=url.format(corpid,Secret))
#
# print(r.json())
# {'errcode': 0, 'errmsg': 'ok', 'access_token': 't2HxARFMOgge-neHJwYXe4MrIXlFcu2m_Ev1pGQIAcmu-Kt1kQ7pey6jkPfdecqyvvZ9RGb3oSfjL1-lbbp1Y6UGGi8ZjNNd64AALtbR58ot1lh6VjE2ITkiWwgIftwWyryNDw_1AJAtVYYQxKU2O16a7NhHVEdcHG20u8czD-QUDUec1LqI4503OcVGzdR4Cq_4yA6a3fIkVLdQ_u3CHg', 'expires_in': 7200}
access_token = getr.json().get('access_token')
# access_token ='t2HxARFMOgge-neHJwYXe4MrIXlFcu2m_Ev1pGQIAcmu-Kt1kQ7pey6jkPfdecqyvvZ9RGb3oSfjL1-lbbp1Y6UGGi8ZjNNd64AALtbR58ot1lh6VjE2ITkiWwgIftwWyryNDw_1AJAtVYYQxKU2O16a7NhHVEdcHG20u8czD-QUDUec1LqI4503OcVGzdR4Cq_4yA6a3fIkVLdQ_u3CHg'
data = {
  #  "touser" : "SheShouZuo",   # 向这些用户账户发送
   "toparty" : "2",   # 向这些部门发送
   "msgtype" : "text",
   "agentid" : 1000002,                       # 应用的 id 号
   "text" : {
       "content" : "一看到你，我^_^。"
   },
   "safe":0
}
import json
r = requests.post(url="https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token={}".format(access_token),
              data=json.dumps(data))
print(r.json())