const request = require(‘request‘);const APPID = "你的id";const APPSECRET = "你的秘钥，获取APPID一样差不多";const URL = `https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=${APPID}&secret=${APPSECRET}`;function invokecloudfunction(access_token) { const FUNCTION_NAME = ‘sum‘; const ENV = ‘云服务环境id‘; const INVOKE_CLOUD_FUNCTION_URL = `https://api.weixin.qq.com/tcb/invokecloudfunction?access_token=${access_token}&env=${ENV}&name=${FUNCTION_NAME}`; return new Promise(function(resolve,reject) { request.post({ url:INVOKE_CLOUD_FUNCTION_URL, json: { a:1, b:2 } }, function(err, httpResponse,body) { if (err) { reject(err); } else { resolve(body); } })});}// 获取tokenfunction getAccessToken() { return new Promise(function(resolve,reject) { request.get(URL, function(err, httpResponse, body) { if (err) { reject(err); } else { resolve(JSON.parse(body)); } }); })}// 触发云函数getAccessToken().then((_body)=> { const {access_token} = _body; return invokecloudfunction(access_token);}).then(body => { console.log(body);}).catch(err => { console.log(err);})