huiting/cloudfunctions/createUser/index.js

// 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) => {
  const {
    OPENID
  } = cloud.getWXContext()

  try {
    const user = await db.collection('user')
      .add({
        data: {
          _id: OPENID,
          name: event.name || '',
          avatar: event.avatar || '',
          gender: event.gender ? '男' : '女',
          university: '浙江大学',
          theme: '默认',
          notify_form: '数字'
        }
      })

    return {
      _id: user._id,
      status: 'OK'
    }
  } catch (err) {
    return {
      errMsg: '用户已存在',
      status: 'ERR'
    }
  }
}