mailbox-outer-wx/cloudfunctions/quickstartFunctions/updateRecord/index.js

const cloud = require('wx-server-sdk');

cloud.init({
  env: cloud.DYNAMIC_CURRENT_ENV
});
const db = cloud.database();

// 修改数据库信息云函数入口函数
exports.main = async (event, context) => {
  try {
    // 遍历修改数据库信息
    for (let i = 0; i < event.data.length; i++) {
      await db.collection('sales').where({
        _id: event.data[i]._id
      })
        .update({
          data: {
            sales: event.data[i].sales
          },
        });
    }
    return {
      success: true,
      data: event.data
    };
  } catch (e) {
    return {
      success: false,
      errMsg: e
    };
  }
};