add dingding channel

README.md

@@ -492,6 +492,35 @@ pip3 install PyJWT flask
 
 服务器运行：部署后访问 `http://公网域名或IP:端口`
 
+### 10.钉钉
+
+**依赖**
+
+```bash
+pip3 install requests flask
+```
+**配置**
+
+```bash
+"channel": {
+    "type": "dingding",
+    "dingding": {
+      "image_create_prefix": ["画", "draw", "Draw"],
+      "port": "8081", //对外端口
+      "dd_token": "xx", //webhook地址的access_token
+      "dd_post_token": "xx", //钉钉post回消息时header中带的检验token
+      "dd_secret": "xx"// 安全加密加签串,群机器人中
+    }
+  }
+```
+钉钉开放平台说明: https://open.dingtalk.com/document/robots/customize-robot-security-settin.dingtalk.com/robot/send?access_token=906dadcbc7750fef5ff60d3445b66d5bbca32804f40fbdb59039a29b20b9a3f0gs
+
+https://open.dingtalk.com/document/orgapp/custom-robot-access
+
+**生成机器人**
+
+地址: https://open-dev.dingtalk.com/fe/app#/corp/robot 
+添加机器人,在开发管理中设置服务器出口ip(在部署机执行curl ifconfig.me就可以得到)和消息接收地址(配置中的对外地址如 https://xx.xx.com:8081)
 
 ### 通用配置