使用window 设置 iframe 打印

<div id="report">
 <table>
   <thead>
        <tr>
          <th>表头</th>
        </tr>
   </thead>
   <tbody>
       <tr>
         <td>数据</td>
       </tr>
   </tbody>
 </table>
</div>
     

goPrint() {
        console.log(‘打印？？？？‘);
        // window.print(); // 如果直接 print， 可以用 @media print { selector { ... } } 插入样式


        if (!(<any>window).ActiveXObject || "ActiveXObject" in window) { //是否ie
            console.log(‘是否ie‘)
            this.remove_ie_header_and_footer();
           }
        let printHtml = document.getElementById(‘report‘).outerHTML;
        var iframe = document.createElement("iframe");
        document.getElementsByTagName("body")[0].appendChild(iframe);
        var doc = iframe.contentDocument || iframe.contentWindow.document;
        // doc.write(<style> table{} </style>)  // 可以直接插入样式
        doc.write(printHtml);
        iframe.contentWindow.focus();
        iframe.contentWindow.print();
        doc.close();
        document.body.removeChild(iframe);
    }

    remove_ie_header_and_footer() {
        var hkey_path;
        hkey_path = "HKEY_CURRENT_USER\\Software\\Microsoft\\Internet Explorer\\PageSetup\\";
        try {
         var RegWsh = new ActiveXObject("WScript.Shell");
         RegWsh.RegWrite(hkey_path + "header", "");
         RegWsh.RegWrite(hkey_path + "footer", "");
        } catch (e) {}
    }