css 二维码框

<View className="qrCode">
<Image src={qrImg} className="img_qrcode" />
</View>

  .qrCode {
    margin: 56px 0;
    background: linear-gradient(#D7AA41, #D7AA41) left top,
      linear-gradient(#D7AA41, #D7AA41) left top,
      linear-gradient(#D7AA41, #D7AA41) right top,
      linear-gradient(#D7AA41, #D7AA41) right top,
      linear-gradient(#D7AA41, #D7AA41) right bottom,
      linear-gradient(#D7AA41, #D7AA41) right bottom,
      linear-gradient(#D7AA41, #D7AA41) left bottom,
      linear-gradient(#D7AA41, #D7AA41) left bottom;
    background-repeat: no-repeat;
    background-size: 2px 20px, 20px 2px;
    width: 390px;
    height: 394px;
    text-align: center;

    .img_qrcode {
      display: inline-block;
      width: 360px;
      height: 368px;
    }
  }