// 云函数入口文件 const cloud = require('wx-server-sdk') cloud.init() const db = cloud.database() // 云函数入口函数 exports.main = async (event, context) => { let { OPENID } = cloud.getWXContext() try { return await db.collection('user').add({ data: { _id: OPENID, name: event.name, avatar: event.avatar, gender: event.gender } }) } catch (err) { return { errMsg: 'user exists' } } }