微信小程序云开发和服务器

// 云函数示例
const cloud = require('wx-server-sdk')
cloud.init()
const db = cloud.database()

exports.main = async (event, context) => {
  try {
    return await db.collection('users').get()
  } catch (e) {
    console.error(e)
  }
}

// 查询云数据库示例
const cloud = require('wx-server-sdk')
cloud.init()
const db = cloud.database()

exports.main = async (event, context) => {
  try {
    return await db.collection('users').where({
      age: db.command.gt(18)
    }).get()
  } catch (e) {
    console.error(e)
  }
}

// 上传文件到云存储示例
const cloud = require('wx-server-sdk')
cloud.init()

exports.main = async (event, context) => {
  try {
    return await cloud.uploadFile({
      cloudPath: 'example.jpg',
      filePath: './example.jpg'
    })
  } catch (e) {
    console.error(e)
  }
}