export function printFile(html) {
if (!html) return;
let userAgent = navigator.userAgent;
html = "" + html + "";
if (
(userAgent.indexOf("compatible") > -1 &&
userAgent.indexOf("MSIE") > -1) ||
userAgent.indexOf("Edge") > -1 ||
(userAgent.indexOf("Trident") > -1 && userAgent.indexOf("rv:11.0") > -1)
) {
// IE浏览器
let page = window.open("", "_blank"); // 打开一个新窗口，用于打印
page.document.write(html); // 写入打印页面的内容
page.document.execCommand("print");
page.close(); // 关闭打印窗口
} else {
let doc = document.getElementById('printf');
if (doc) {
document.getElementById("printElement").removeChild(doc)
}
let iframe = document.createElement("iframe");
iframe.id = "printf";
iframe.style.width = "0";
iframe.style.height = "0";
document.getElementById("printElement").appendChild(iframe);
iframe.contentWindow.document.write(html);
iframe.contentWindow.focus();
iframe.contentWindow.print();
}
}