<wx-open-launch-app id="launch-andriodbtn" appid="wxe2caab78e9f1b5a8" :extinfo="extinfo"
@ready="ready" @error="handleErrorFn" @launch="handleLaunchFn">
<script type="text/wxtag-template">
<style>.btn {color: #90ddf5;font-size:14px;line-height: 40px; color:#90ddf5; }</style>
<span class="btn">分享</span>
</script>
</wx-open-launch-app>
https://developers.weixin.qq.com/doc/offiaccount/OA_Web_Apps/Wechat_Open_Tag.html