doPrint (printHtml) {
// 判断iframe是否存在,不存在则创建iframe let iframe = document.getElementById('print-iframe') if (!iframe) { iframe = document.createElement('IFRAME') let doc = null iframe.setAttribute('id', 'print-iframe') iframe.setAttribute('style', 'position:absolute;width:0px;height:0px;left:-500px;top:-500px;') document.body.appendChild(iframe) doc = iframe.contentWindow.document // 这里可以自定义样式 doc.write('<style type="text/css">td {border: 1px solid #000 !important;}</style>') doc.write(printHtml) doc.close() iframe.contentWindow.focus() } iframe.contentWindow.print() if (navigator.userAgent.indexOf('MSIE') > 0) { document.body.removeChild(iframe) } }