去年年末,离过年的时间还剩几天,公司产品部的突然跑过来问能不能年前做完然后上线一个小程序,利用过年的流量,引流一波。
时间紧,任务急。并且公司还在开源节流,精简服务器。这个项目也就过年这段时间跑跑的,过后就是废弃状态。综合种种,于是提出试试小程序的云开发。
无需搭建服务器,快速构建小程序,免登录、免鉴权调用微信开放服务,按量计费,还有内容管理(CMS),小项目用云开发在适合不过了。
这个项目除了正常的展示外,还用到以下功能
以上结合小程序云开发不用后台参与进来,前端也能很容易的实现起来。
左边是费用,右边是访问人数,
可以看到每天大概800-1000人数的访问,费用也就几分钱,这还是在开通了内容管理(CMS)情况下的数据。所以对于费用这一块完全可以打消这个顾虑
老规矩先看文档 https://developers.weixin.qq.com/miniprogram/dev/wxcloud/guide/staticstorage/jump-miniprogram.html
能力
可以在微信内部浏览器的 H5 跳转小程序,也可以在微信外部浏览器或其他部分 App (如企业微信、QQ 等)跳转微信小程序。
根据文档我这里改成了可以跳首页以及任意详情页面
<html> <head> <title>打开小程序</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1"> <script> window.onerror = e => { console.error(e) alert('发生错误' + e) } </script> <!-- weui 样式 --> <link rel="stylesheet" href="https://res.wx.qq.com/open/libs/weui/2.4.1/weui.min.css"> </link> <!-- 调试用的移动端 console --> <!-- <script src="https://cdn.jsdelivr.net/npm/eruda"></script> --> <!-- <script>eruda.init();</script> --> <!-- 公众号 JSSDK --> <script src="https://res.wx.qq.com/open/js/jweixin-1.6.0.js"></script> <!-- 云开发 Web SDK --> <script src="https://res.wx.qq.com/open/js/cloudbase/1.1.0/cloud.js"></script> <script> function getQueryVariable(variable) { var query = window.location.search.substring(1); var vars = query.split("&"); for (var i = 0; i < vars.length; i++) { var pair = vars[i].split("="); if (pair[0] == variable) { return pair[1]; } } return (false); } let id = getQueryVariable('id') || '' function docReady(fn) { if (document.readyState === 'complete' || document.readyState === 'interactive') { fn() } else { document.addEventListener('DOMContentLoaded', fn); } } docReady(async function () { var ua = navigator.userAgent.toLowerCase() var isWXWork = ua.match(/wxwork/i) == 'wxwork' var isWeixin = !isWXWork && ua.match(/micromessenger/i) == 'micromessenger' var isMobile = false var isDesktop = false if (navigator.userAgent.match(/(phone|pad|pod|iPhone|iPod|ios|iPad|Android|Mobile|IEMobile)/i)) { isMobile = true } else { isDesktop = true } if (isWeixin) { var containerEl = document.getElementById('wechat-web-container') containerEl.classList.remove('hidden') containerEl.classList.add('full', 'wechat-web-container') var dom = document.getElementById('wxOpenInAPP') let path ='/pages/index/index'; if(id){ path = '/pages/detail/index?id='+id } console.log('path',path) dom.innerHTML = '<wx-open-launch-weapp id="launch-btn" username="gh_adf5777ca9be" path="'+path+'"><template><button style="width: 200px; height: 45px; text-align: center; font-size: 17px; display: block; margin: 0 auto; padding: 8px 24px; border: none; border-radius: 4px; background-color: #07c160; color:#fff;">打开小程序</button></template></wx-open-launch-weapp>' var launchBtn = document.getElementById('launch-btn') launchBtn.addEventListener('ready', function (e) { console.log('开放标签 ready') }) launchBtn.addEventListener('launch', function (e) { console.log('开放标签 success') }) launchBtn.addEventListener('error', function (e) { console.log('开放标签 fail', e.detail) }) wx.config({ // debug: true, // 调试时可开启 appId: '你的appId', // <!-- replace --> timestamp: 0, // 必填,填任意数字即可 nonceStr: 'nonceStr', // 必填,填任意非空字符串即可 signature: 'signature', // 必填,填任意非空字符串即可 jsApiList: ['chooseImage'], // 必填,随意一个接口即可 openTagList: ['wx-open-launch-weapp'], // 填入打开小程序的开放标签名 }) } else if (isDesktop) { // 在 pc 上则给提示引导到手机端打开 var containerEl = document.getElementById('desktop-web-container') containerEl.classList.remove('hidden') containerEl.classList.add('full', 'desktop-web-container') } else { var containerEl = document.getElementById('public-web-container') containerEl.classList.remove('hidden') containerEl.classList.add('full', 'public-web-container') var c = new cloud.Cloud({ // 必填,表示是未登录模式 identityless: true, // 资源方 AppID resourceAppid: '你的appId', // <!-- replace --> // 资源方环境 ID resourceEnv: '你的环境ID', // <!-- replace --> }) await c.init() window.c = c var buttonEl = document.getElementById('public-web-jump-button') var buttonLoadingEl = document.getElementById('public-web-jump-button-loading') try { await openWeapp(() => { buttonEl.classList.remove('weui-btn_loading') buttonLoadingEl.classList.add('hidden') }) } catch (e) { buttonEl.classList.remove('weui-btn_loading') buttonLoadingEl.classList.add('hidden') throw e } } }) async function openWeapp(onBeforeJump) { var c = window.c const res = await c.callFunction({ name: 'public', data: { action: 'getUrlScheme', id: id }, }) console.warn(res) if (onBeforeJump) { onBeforeJump() } location.href = res.result.openlink } </script> <style> .hidden { display: none; } .full { position: absolute; top: 0; bottom: 0; left: 0; right: 0; } .public-web-container { display: flex; flex-direction: column; align-items: center; } .public-web-container p { position: absolute; top: 40%; } .public-web-container a { position: absolute; bottom: 40%; } .wechat-web-container { display: flex; flex-direction: column; align-items: center; } .wechat-web-container p { position: absolute; top: 40%; } .wechat-web-container wx-open-launch-weapp { position: absolute; bottom: 40%; left: 0; right: 0; display: flex; flex-direction: column; align-items: center; } .desktop-web-container { display: flex; flex-direction: column; align-items: center; } .desktop-web-container p { position: absolute; top: 40%; } </style> </head> <body> <div class="page full"> <div id="public-web-container" class="hidden"> <p class="">正在打开 “你的小程序名称”...</p> <!-- replace --> <a id="public-web-jump-button" href="javascript:" class="weui-btn weui-btn_primary weui-btn_loading" onclick="openWeapp()"> <span id="public-web-jump-button-loading" class="weui-primary-loading weui-primary-loading_transparent"><i class="weui-primary-loading__dot"></i></span> 打开小程序 </a> </div> <div id="wechat-web-container" class="hidden"> <p class="">点击以下按钮打开 “你的小程序名称”</p> <!-- replace --> <!-- 跳转小程序的开放标签。文档 https://developers.weixin.qq.com/doc/offiaccount/OA_Web_Apps/Wechat_Open_Tag.html --> <div id="wxOpenInAPP" class="wexin-launch-btn"> </div> </div> <div id="desktop-web-container" class="hidden"> <p class="">请在手机打开网页链接</p> </div> </div> </body> </html>
// 云函数入口文件 const cloud = require('wx-server-sdk') cloud.init({ env: 'id' }) // 云函数入口函数 exports.main = async (event, context) => { const wxContext = cloud.getWXContext() switch (event.action) { case 'getUrlScheme': { return getUrlScheme(event) } } return 'action not found' } async function getUrlScheme(event) { let path = '/pages/index/index' let query = '' if (event.id) { path = '/pages/detail/index' query = 'id=' + event.id } return cloud.openapi.urlscheme.generate({ jumpWxa: { path: path, // <!-- replace --> query: query, }, // 如果想不过期则置为 false,并可以存到数据库 isExpire: false, // 一分钟有效期 expireTime: parseInt(Date.now() / 1000 + 60), }) }
把云函数部署上去,静态H5页面上传到云开发的静态网站里
在网站配置
里找到域名,就可以H5跳小程序了。
这里放个官方的栗子
https://postpay-2g5hm2oxbbb721a4-1258211818.tcloudbaseapp.com/jump-mp.html
*请认真填写需求信息,我们会在24小时内与您取得联系。