vue复制粘贴功能

copyUrl('string')

copyUrl(url) {
    var domUrl = document.createElement("input");
    domUrl.value = url;
    domUrl.id = "creatDom";
    document.body.appendChild(domUrl);
    domUrl.select(); // 选择对象
    document.execCommand("Copy"); // 执行浏览器复制命令
    let creatDom = document.getElementById("creatDom");
    creatDom.parentNode.removeChild(creatDom);
    alert("已复制好，可贴粘。");
}