mini program: add qcloud_device_linkage_demo

tools/Mini_Program/qcloud_device_linkage_demo/cloudfunctions/iothub-shadow-query/index.js

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+const tencentcloud = require("tencentcloud-sdk-nodejs");
+
+const IotcloudClient = tencentcloud.iotcloud.v20180614.Client;
+const models = tencentcloud.iotcloud.v20180614.Models;
+
+const Credential = tencentcloud.common.Credential;
+const ClientProfile = tencentcloud.common.ClientProfile;
+const HttpProfile = tencentcloud.common.HttpProfile;
+
+exports.main = async (event, context) => {
+  let cred = new Credential(event.SecretId, event.SecretKey);
+  let httpProfile = new HttpProfile();
+  httpProfile.endpoint = "iotcloud.tencentcloudapi.com";
+  let clientProfile = new ClientProfile();
+  clientProfile.httpProfile = httpProfile;
+  let client = new IotcloudClient(cred, "ap-guangzhou", clientProfile);
+  let req = new models.DescribeDeviceShadowRequest();
+  req.DeviceName = event.DeviceName;
+  req.ProductId = event.ProductId;
+
+  return new Promise((resolve, reject)=>{
+    client.DescribeDeviceShadow(req, function (errMsg, response) {
+
+      if (errMsg) {
+        console.log(errMsg);
+        reject(errMsg)
+        return;
+      }
+
+      console.log(response.to_json_string());
+      resolve(response)
+    });
+  })
+}

tools/Mini_Program/qcloud_device_linkage_demo/cloudfunctions/iothub-shadow-query/package.json

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+{
+  "name": "iotexplorer",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "tencentcloud-sdk-nodejs": "^3.0.77",
+    "wx-server-sdk": "latest"
+  }
+}