vue img 標簽顯示svg

<img :src="qrSrc" />

 

computed: {
    qrSrc() {
      if (self.qr === "") return "";
      let b64 = window.btoa(unescape(encodeURIComponent(self.qr)));
      return "data:image/svg+xml;base64," + b64;
    },
  },