JS 调用浏览器打印

• 首先创建一个iframe

<iframe src="" frameborder="0" id="printf" width="0" height="0"></iframe>

• 创建打印函数

_printPage = () => {

let f = document.getElementById('printf');

let printHTML = "";

printHTML = "<div>要打印的内容</div>"; //构造要打印的HTML内容

f.contentDocument.write(printHTML);

f.contentDocument.close();

f.contentWindow.print();

}