你好，安卓，iOS还是鸿蒙

const { withDefaultShare, DEFAULT_SHARE_TITLE } = require('../../utils/pageShare');
const { SHARE_COVER_STATIC_HTTPS_URL } = require('../../constants/shareCover');


Page(withDefaultShare({

  onShareAppMessage() {
    return {
      title: DEFAULT_SHARE_TITLE,
      path: '/pages/index/index',
      imageUrl: SHARE_COVER_STATIC_HTTPS_URL
    };
  },

const SHARE_COVER_STATIC_HTTPS_URL =
  'https://cloud1-******-******.tcloudbaseapp.com/assets/share-cover.png';

用户点分享
  → wrapShareCallback 调用 index 的 onShareAppMessage()
  → ensureShareCover(返回值, this)
  → 返回最终给微信的对象

function ensureShareCover(payload, pageInstance) {
  const base = payload && typeof payload === 'object' ? { ...payload } : {};
  if (!base.title) {
    base.title = DEFAULT_SHARE_TITLE;
  }
  if (!base.path) {
    base.path = buildSharePath(pageInstance);
  }
  if (!isValidShareImageUrl(base.imageUrl)) {
    base.imageUrl = getDefaultShareImage();
  }
  base.imageUrl = getShareImageForSend(base.imageUrl);
  console.log('[share]', base.imageUrl);


  return base;
}


function wrapShareCallback(original) {
  if (typeof original === 'function') {
    return function shareWrapped(...args) {
      const res = original.apply(this, args);
      const merge = (payload) => ensureShareCover(payload, this);
      if (res && typeof res.then === 'function') {
        return res.then(merge);
      }
      return merge(res);
    };
  }
  ...
}

function getShareImageForSend(url) {
  const s = (url && typeof url === 'string') ? url.trim() : '';


  if (/^https:\/\//i.test(s) && isValidShareImageUrl(s)) {
    return s;
  }

  onLoad() {
    privacy.syncPrivacyReady(this);
    const app = getApp();
    if (app._shareCoverPromise) {
      app._shareCoverPromise.catch(() => {});
    }
j接收方无错误日志  发布版和体验版 情况一样