huiting/cloudfunctions/listQuestions/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()

  if (event.msg_id) {
    const questions = await db.collection('question')
      .aggregate()
      .match({
        msg_id: event.msg_id
      })
      .sort({
        rank: 1
      })
      .skip(event.page_token)
      .limit(event.page_size)
      .end()

    return questions
  }
}