python向企业微信发送文字和图片消息的示例

吐槽一下企业微信的api文档真的不好读······

企业微信本来是有功能，可以直接把图片显示到正文的，但是那个api我调用一直出错，各种折腾也没解决。后来感觉就算了，没必要，用url拼接在文字中也行，这样的好处就是以后可以换图床，不局限在企业微信内部(好像免费版一天之内可以上传200张图片，所以如果需求比较大的话可以采用第三方图床)

我把上传部分封装了一个使用新线程的方法，以防使用的时候因为上传卡住主线程(亲测如果不这样的话确实会卡住)

import requests
import json
from threading import Thread
import cv2
import os

class Wechat_Info():
  def __init__(self):
    self.partyID = ''
    self.corpID = ''
    self.secret = ''
    self.agentID = ''
    self.token = None
    self.pic = None

  def __get_token(self, corpid, secret):
    Url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken"
    Data = {
      "corpid": corpid,
      "corpsecret": secret
    }
    r = requests.get(url=Url, params=Data)
    token = r.json()['access_token']
    return token

  def send_message(self, message):
    url = "https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token={}".format(
      self.__get_token(self.corpID, self.secret))
    data = {
      "toparty": self.partyID,
      "msgtype": "text",
      "agentid": self.agentID,
      "text": {
        "content": message
      },
      "safe": "0"
    }
    result = requests.post(url=url, data=json.dumps(data))
    return result.text

  def get_media_url(self, path): ##上传到图片素材 图片url
    Gtoken = self.__get_token(self.corpID, self.secret)
    img_url = "https://qyapi.weixin.qq.com/cgi-bin/media/uploadimg?access_token={}".format(Gtoken)
    files = {'media': open(path, 'rb')}
    r = requests.post(img_url, files=files)
    re = json.loads(r.text)
    # print("media_id: " + re['media_id'])
    return re['url']

  def send_pic(self, pic_path):
    img_url = self.get_media_url(pic_path)
    url = "https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token={}".format(
      self.__get_token(self.corpID, self.secret))
    data = {
      "toparty": self.partyID,
      "msgtype": "text",
      "agentid": self.agentID,
      "text": {
        "content": img_url
      },
      "safe": "0"
    }
    result = requests.post(url=url, data=json.dumps(data))
    return result.text

  def send_violence_warning(self, pic_path):
    img_url = self.get_media_url(pic_path)
    url = "https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token={}".format(
      self.__get_token(self.corpID, self.secret))
    data = {
      "toparty": self.partyID,
      "msgtype": "text",
      "agentid": self.agentID,
      "text": {
        "content": '【管理员注意】，有校园暴力行为发生，请及时处理！监控图片>>' + img_url
      },
      "safe": "0"
    }
    result = requests.post(url=url, data=json.dumps(data))
    return result.text

  def send_violence_warning_read_path_from_class(self):
    pic_path = 'temp.jpg'
    cv2.imwrite(pic_path, self.pic)
    self.send_violence_warning(pic_path)
    os.remove(pic_path)

  def send_violence_warning_in_new_thread(self, pic):
    self.pic = pic
    thread = Thread(target=self.send_violence_warning_read_path_from_class)
    thread.start()

if __name__ == '__main__':
  wechat_info = Wechat_Info()
  # result = wechat_info.send_message('微信测试_2020')
  # result = wechat_info.send_pic('C:\\Users\\JiaDing\\Desktop\\pic.jpg')
  result = wechat_info.send_violence_warning('C:\\Users\\JiaDing\\Desktop\\pic.jpg')
  print(result)

在主线程里面调用那个send_violence_warning_in_new_thread，把opencv的图片传进来就行

效果：

虽然是url，但是效果其实也挺好的，点一下就能显示了，即使是第三方图床也没有提示什么的，操作速度也很快，没有其他幺蛾子

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