HTML元素不打印

发布时间：2020-12-14 18:44:58 所属栏目：资源来源：网络整理

导读：我正在使用 this library生成条形码,我需要打印包含条形码的页面. 当我启动打印对话框时,虽然占用空间,但我找不到条形码. $(document).ready(function() { window.print();}); @media print { .barcode-container { display: block !important; }} script sr

我正在使用 this library生成条形码,我需要打印包含条形码的页面.

当我启动打印对话框时,虽然占用空间,但我找不到条形码.

$(document).ready(function() {
  window.print();
});

@media print {
  .barcode-container {
    display: block !important;
  }
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="subpage">
  <div class="barcode-container">
    <div style="font-size:0;position:relative;width:422px;height:30px;">
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:0px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:6px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:16px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:22px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:28px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:36px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:44px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:50px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:6px;height:30px;position:absolute;left:56px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:66px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:74px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:82px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:88px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:94px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:6px;height:30px;position:absolute;left:100px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:110px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:6px;height:30px;position:absolute;left:116px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:124px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:132px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:6px;height:30px;position:absolute;left:138px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:146px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:154px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:6px;height:30px;position:absolute;left:160px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:168px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:176px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:6px;height:30px;position:absolute;left:182px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:190px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:198px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:6px;height:30px;position:absolute;left:204px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:212px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:220px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:6px;height:30px;position:absolute;left:226px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:234px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:242px;top:0px;">&nbsp;</div>
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      <div style="background-color:black;width:2px;height:30px;position:absolute;left:280px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:286px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:6px;height:30px;position:absolute;left:292px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:300px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:308px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:6px;height:30px;position:absolute;left:314px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:324px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:330px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:6px;height:30px;position:absolute;left:336px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:344px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:352px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:6px;height:30px;position:absolute;left:358px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:368px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:374px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:2px;height:30px;position:absolute;left:382px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:390px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:4px;height:30px;position:absolute;left:396px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:6px;height:30px;position:absolute;left:406px;top:0px;">&nbsp;</div>
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      <div style="background-color:black;width:4px;height:30px;position:absolute;left:418px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:0px;height:30px;position:absolute;left:422px;top:0px;">&nbsp;</div>
      <div style="background-color:black;width:0px;height:30px;position:absolute;left:422px;top:0px;">&nbsp;</div>
    </div>
  </div>
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</div>

我试着做一个显示：阻止！重要;到条形码容器但它仍然没有打印它.有任何想法吗？

解决方法

默认情况下不打印背景颜色.它们被设置为透明的.

尝试：

box-shadow: inset 0 0 0 10000px #000; /*Fake Bg*/

或者,用户可以设置：

从浏览器的“页面设置”中选中“打印背景颜色和图像”

您也可以使用：

-webkit-print-color-adjust: exact;

但这仅在Chrome(和其他Webkit浏览器)中受支持.

（编辑：李大同）

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