仅前端

<script src="https://res.wx.qq.com/open/js/jweixin-1.6.0.js"></script>

private async wxConfig() {
    // 请求接口获取微信签名
    const shareParams = {
      title: 'title',
      description: '摘要',
      image: '图片线上地址',
      url: window.location.href,
    };
    const signParams: any = {
      signUrl: shareParams.url,
    };
    const jsApiList = [
      'onMenuShareAppMessage', 'onMenuShareTimeline', 'onMenuShareQQ', 'onMenuShareWeibo', 'onMenuShareQZone',
    ];
    const wxShareParams = {
      title: shareParams.title, // 分享标题
      desc: shareParams.description, // 分享描述
      link: shareParams.url, // 分享链接，该链接域名或路径必须与当前页面对应的公众号JS安全域名一致
      imgUrl: shareParams.image, // 分享图标
    };
    const res = await this.chargerMapService.wxConfigSig(signParams.url);
    if (!res.data) {
      return
    }
    const data = res.data
    wx.config({
      debug: false, // 开启调试模式,调用的所有api的返回值会在客户端alert出来
      appId: data.app_id, // 必填，公众号的唯一标识
      timestamp: data.timestamp, // 必填，生成签名的时间戳
      nonceStr: data.nonce_str, // 必填，生成签名的随机串
      signature: data.signature, // 必填，签名
      jsApiList,
    });
    wx.ready(() => {
      wx.checkJsApi({
        jsApiList,
      });
      // 分享到朋友圈
      wx.onMenuShareTimeline(wxShareParams);
 
      // 分享给朋友
      wx.onMenuShareAppMessage(wxShareParams);
 
      // 分享到QQ
      wx.onMenuShareQQ(wxShareParams);
 
      // 分享到腾讯微博
      wx.onMenuShareWeibo(wxShareParams);
 
      // 分享到QQ空间
      wx.onMenuShareQZone(wxShareParams);
    });
  }

h5页面环境判断

const ua = navigator.userAgent || '';
 
// 版本号比较
export const semverCompare = (verionA: string, versionB: string): -1 | 0 | 1 => {
  const {isNaN} = Number;
  const splitA = verionA.split('.');
  const splitB = versionB.split('.');
 
  for (let i = 0; i < 3; i++) {
    const snippetA = Number(splitA[i]);
    const snippetB = Number(splitB[i]);
 
    if (snippetA > snippetB) {
      return 1;
    }
    if (snippetB > snippetA) {
      return -1;
    }
 
    // e.g. '1.0.0-rc' -- Number('0-rc') = NaN
    if (!isNaN(snippetA) && isNaN(snippetB)) {
      return 1;
    }
    if (isNaN(snippetA) && !isNaN(snippetB)) {
      return -1;
    }
  }
 
  return 0;
};
 
/**
 * 获取 ios 大版本号
 */
export const getIOSVersion = (): number => {
  const version = navigator.appVersion.match(/OS (\d+)_(\d+)_?(\d+)?/) as string[];
  return Number.parseInt(version[1], 10);
};
 
/**
 * 获取 微信 版本号
 */
export const getWeChatVersion = (): string => {
  const version = navigator.appVersion.match(/micromessenger\/(\d+\.\d+\.\d+)/i) as string[];
  return version[1];
};
 
export const isAndroid = /android/i.test(ua);
 
export const isIos = /iphone|ipad|ipod/i.test(ua);
 
export const isWechat = /micromessenger\/([\d.]+)/i.test(ua);
 
export const isWeibo = /(weibo).*weibo__([\d.]+)/i.test(ua);
 
export const isBaidu = /(baiduboxapp)\/([\d.]+)/i.test(ua);
 
export const isQQ = /qq\/([\d.]+)/i.test(ua);
 
export const isQQBrowser = /(qqbrowser)\/([\d.]+)/i.test(ua);
 
export const isQzone = /qzone\/.*_qz_([\d.]+)/i.test(ua);
 
// 安卓 chrome 浏览器，包含 原生chrome浏览器、三星自带浏览器、360浏览器以及早期国内厂商自带浏览器
export const isOriginalChrome =
  /chrome\/[\d.]+ mobile safari\/[\d.]+/i.test(ua) && isAndroid && ua.indexOf('Version') < 0;
 
// chrome for ios 和 safari 的区别仅仅是将 Version/<VersionNum> 替换成了 CriOS/<ChromeRevision>
// ios 上很多 app 都包含 safari 标识，但它们都是以自己的 app 标识开头，而不是 Mozilla
export const isSafari =
  /safari\/([\d.]+)$/i.test(ua) && isIos && ua.indexOf('Crios') < 0 && ua.indexOf('Mozilla') === 0;