uniapp实现微信小程序长按二维码扫码加群或好友

<template><view><view class="tit">欢迎扫码加入</view><image show-menu-by-longpress="true" src="/static/img/qrcode/1.jpg" class="btn-icon" @click="previewImage"></image></view>
</template><script>export default {data() {return {}},onLoad() {},onReady() {},computed: {},methods: {previewImage() {uni.previewImage({// 需要预览的图片链接列表。若无需预览，可以注释urlsurls: [e.target.src],// 为当前显示图片的链接/索引值current: e.target.src,// 图片指示器样式	indicator: 'default',// 是否可循环预览loop: false,success: res => {console.log('previewImage res', res);},fail: err => {console.log('previewImage err', err);}});}}}
</script>
</script><style lang="scss" scoped>page {.tit {text-align: center;margin: 15px auto;}.btn-icon {display: block;height: 794rpx;width: 630rpx;margin: 15px auto;}}
</style>