function copyToClipboard(textToCopy) {
// navigator clipboard 需要https等安全上下文
if (navigator.clipboard && window.isSecureContext) {
// navigator clipboard 向剪贴板写文本
return navigator.clipboard.writeText(textToCopy).then(function () {
layer.msg("复制成功Https!", { icon: 1 })
});
} else {
// 创建text area
let textArea = document.createElement("textarea");
textArea.value = textToCopy;
// 使text area不在viewport,同时设置不可见
textArea.style.position = "absolute";
textArea.style.opacity = 0;
textArea.style.left = "-999999px";
textArea.style.top = "-999999px";
document.body.appendChild(textArea);
textArea.focus();
textArea.select();
return new Promise((res, rej) => {
// 执行复制命令并移除文本框
layer.msg("复制成功Http!", { icon: 1 });
document.execCommand('copy') ? res() : rej();
textArea.remove();
});
}
}