js实现浏览器打印功能的示例代码

// 布局代码
<div id="print">
    <div id="print_content"></div>
</div>
//js 部分代码var f = document.getElementById('printf');
   if (f) {
    document.getElementById("print_content").removeChild(f);
   }
   var printhtml = `
   <div style="font-size:12px;margin-left: -6px;">
    <p style="margin-left:40px;">${this.ticket.title}</p>
    <p>--------------------------------------</p>
    <p>提货点：${this.ticket.pickUpAddress}</p>
    <p>商品名称：${this.ticket.commodityName}</p>
    <p>下单时间：${this.ticket.paymentTime}</p>
    <p>提货人：${this.ticket.receiver}</p>
    <p>联系电话：${this.ticket.receiverPhone}</p>
    <p>提货码：${this.ticket.pickUpCode}</p>
    <p>提货时间：${this.ticket.submissionTime}</p>
    <p style="color:#FFFFFF">.</p>
   </div>`
   if (!!window.ActiveXObject || "ActiveXObject" in window) { // 针对IE进行适配
    var HKEY_Root, HKEY_Path, HKEY_Key;
    HKEY_Root = "HKEY_CURRENT_USER";
    HKEY_Path = "\\Software\\Microsoft\\Internet Explorer\\PageSetup\\";
    //设置网页打印的页眉页脚为空
    function PageSetup_Null() {
     var Wsh = new ActiveXObject("WScript.Shell");
     HKEY_Key = "header";
     Wsh.RegWrite(HKEY_Root + HKEY_Path + HKEY_Key, "");
     HKEY_Key = "footer";
     Wsh.RegWrite(HKEY_Root + HKEY_Path + HKEY_Key, "");
     HKEY_Key = "margin_left"
     Wsh.RegWrite(HKEY_Root + HKEY_Path + HKEY_Key, "0"); //键值设定--左边边界
   
     HKEY_Key = "margin_top"
     Wsh.RegWrite(HKEY_Root + HKEY_Path + HKEY_Key, "0"); //键值设定--上边边界
   
     HKEY_Key = "margin_right"
     Wsh.RegWrite(HKEY_Root + HKEY_Path + HKEY_Key, "0"); //键值设定--右边边界
   
     HKEY_Key = "margin_bottom"
     Wsh.RegWrite(HKEY_Root + HKEY_Path + HKEY_Key, "0"); //键值设定--下边边界
    }
    printhtml = `
    <div style="font-size:12px;font-weight: 800;height:150px;width:300px">
     <p style="margin-left:35px">${this.ticket.title}</p>
     <p>------------------------------------------------</p>
     <p>提货点：${this.ticket.pickUpAddress}</p>
     <p>商品名称：${this.ticket.commodityName}</p>
     <p>下单时间：${this.ticket.paymentTime}</p>
     <p>提货人：${this.ticket.receiver}</p>
     <p>联系电话：${this.ticket.receiverPhone}</p>
     <p>提货码：${this.ticket.pickUpCode}</p>
     <p>提货时间：${this.ticket.submissionTime}</p>
     <p style="color:#FFFFFF;font-weight: 100;">.</p>
    </div>`
   }
   var iframe = document.createElement('iframe');
   iframe.id = 'printf';
   iframe.style.width = '0';
   iframe.style.height = '0';
   iframe.style.border = "none";
   document.getElementById("print_content").appendChild(iframe);
   setTimeout(() => {
    iframe.contentDocument.write(printhtml);
    iframe.contentDocument.close();
    iframe.contentWindow.focus();
    iframe.contentWindow.print();
   }, 100)