详解小程序云开发攻略(解决最棘手的问题)

cloud.updateConfig({
  env: ENV === 'local' ? 'dev-aqijb' : ENV
 });

await Taro.cloud.init({
    env: `${process.env.NODE_ENV === 'development' ? 'dev-aqijb' : 'pro-hljv7'}`
    /* env: 'pro-hljv7' */
   });

{
 "dependencies": {
  "wx-server-sdk": "latest",
  "superstruct": "latest"
 }
}

const cloud = require('wx-server-sdk');
const { struct, superstruct } = require('superstruct');
cloud.init();
//小区信息
const Model = () => {
 const db = cloud.database();
 const _ = db.command;
 const collection = db.collection('address');
 return {
  async add(data) {
   try {
    data = struct({
     name: 'string', //名字
     phone: 'string',
     unit: 'number', //楼单元号
     doorNumber: 'string', //门号
     communityId: 'string', //小区id
     _openid: 'string' //用户的id
     //isDefault: 'boolean' //是否默认地址
    })(data);
   } catch (e) {
    const { path, value, type } = e;
    const key = path[0];

    if (value === undefined) {
     const error = new Error(`${key}_required`);
     error.attribute = key;
     throw error;
    }

    if (type === undefined) {
     const error = new Error(`attribute_${key}_unknown`);
     error.attribute = key;
     throw error;
    }
    const error = new Error(`${key}_invalid`);
    error.attribute = key;
    error.value = value;
    throw error;
   }
   let res = await this.getList({ _openid: data._openid });
   if (res.data.length >= 1) {
    return { msg: '当前只支持保存一个地址' };
   }
   res = await collection.add({
    data,
    createTime: db.serverDate(),
    updateTime: db.serverDate()
   });
   return res;
  },
  async getAdressById({ _openid, _id }) {
   const user = await collection
    .where({
     _openid,
     _id: _.eq(_id)
    })
    .get();
   return user;
  },
  //更新指定的id 先判断手机号修改没,没修改直接就改数据,修改过判断一下库中有没有这条数据
  async update(data) {
   //更新表的操作
  },
  //删除指定id的shop
  async remove({ _id, _openid }) {
   //删除表的操作
  },
  /**
   * 获取商列表
   * @param {*} option {category 类别, pagenum 页码}
   */
  async getList({ _openid }) {
   const shopList = await collection
    .where({
     _openid
    })
    .get();

   return shopList;
  }
 };
};

exports.main = async (event, context) => {
 const { func, data } = event;
 const { ENV, OPENID } = cloud.getWXContext();
 // 更新默认配置，将默认访问环境设为当前云函数所在环境
 console.log('ENV', ENV);
 cloud.updateConfig({
  env: ENV === 'local' ? 'dev-aqijb' : ENV
 });
 let res = await Model()[func]({ ...data, _openid: OPENID });
 return {
  ENV,
  data: res
 };
};

wx.cloud.callFunction({
   'address', //云函数文件名
   data: {
    func: 'add', //云函数中定义的方法
    data: {} //需要上传的数据
   }
  });