vue - - - - - 复制到剪切板

    const copyText = () => {
    let txt = '这里是复制的一段内容。'
      try {
        const str = txt;
        const input = document.createElement("input");
        document.body.appendChild(input);
        input.value = str;
        input.setAttribute("readOnly", "readOnly");
        input.select();
        document.execCommand("Copy");
        document.body.removeChild(input);
        showToast({
          type: "success",
          message: "复制成功",
          duration: 1500,
        });
      } catch (error) {
        showToast({
          type: "fail",
          message: "复制失败",
          duration: 1500,
        });
      }
    };