https://developers.weixin.qq.com/doc/oplatform/Website_App/WeChat_PC_APIs/share.htmlhttps://developers.weixin.qq.com/doc/oplatform/Website_App/WeChat_PC_APIs/guideline.html

source 传入timeline，但是弹出的框还是分享到caht的，不是朋友圈的

wxopensdk.shareLink({
  url: "分享链接",
  txt: "标题",
  desc: "卡片的描述",
  appid: "网站应用 appid",
  thumburl: "缩略图url",
  source: "chat", // "timeline" 朋友圈
  ticket: "后台获取的ticket",
});

wxopensdk.shareImage({
  imageUrl: "分享图片 url",
  appid: "网站应用 appid",
  source: "chat", // "timeline" 朋友圈
  ticket: "后台获取的 ticket",
});