vue 復制鏈接功能

//復制鏈接

copyUrl(index) {
      if (this.couponList[index].status == 2) {
        this.$sweetalert.errorAlert("警告", "該優惠券暫不可用");
        return;
      }
      var id = this.couponList[index].couponId;
      var url =
        this.Global.url + "/BusinessCenter/CouponCollection?couponId=" + id;
      var oInput = document.createElement("input");
      oInput.value = url;
      document.body.appendChild(oInput);
      oInput.select(); // 選擇對象
      document.execCommand("Copy"); // 執行瀏覽器復制命令
      oInput.className = "oInput";
      oInput.style.display = "none";
      this.$toastr.tipSuccess("復制成功","消息提示");
    }
  },