[TOC] ### egg 發送短信邏輯 service ``` 'use strict'; const Service = require('egg').Service; class UserService extends Service { /** * 發送驗證碼 */ async sendCode() { //1. 獲取用戶手機號 const { phone } = this.ctx.request.body; //2. 緩存中查詢該手機號是否存在 const sendCodePhone = await this.service.cache.get(`sendCode_${phone}`); if (sendCodePhone) this.ctx.errorHandle('您操作的太快了，驗證碼還未過期!', {}, 30001); //3. 生成隨機四位驗證碼 const randomCode = this.ctx.random(); // 調試環境 不請求阿里服務器 if (!this.config.aliSMS.isopen) { await this._devCode(phone, randomCode); } //4. 請求阿里云API發送驗證碼 const ret = await this.service.alisms.sendSMS(phone, randomCode); if (ret.Code === "OK") { // 5.發送成功寫入redis緩存 60 秒過期 this.service.cache.set(`sendCode_${phone}`, randomCode, this.config.aliSMS.expire); // 6.寫入消息隊列 this.ctx.succHandle('發送驗證碼成功!'); } } // 模擬發送短信驗證碼 async _devCode(phone, randomCode) { this.service.cache.set(`sendCode_${phone}`, randomCode, this.config.aliSMS.expire); this.ctx.succHandle('請求驗證碼成功!', { randomCode }, 30002); } } module.exports = UserService; ```