JS实现快递单打印功能【推荐】

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最近做项目需要打印快递单，在网上搜索了一下发现直接给出代码的比较少。

首先说一下js网页打印的几种方法：

1.window.print()

会弹出打印对话框

2.使用html 标签引入Webbrowser控件

这种方式是其只兼容IE10以下的浏览器，其他浏览器不可使用

3.document.execCommand(”print”)

类似window.print()

**4.采用JQuery插件

5.用浏览器打印第三方插件如lodpod等**

由于我这边不需要兼容ie10以下，而且个人不喜欢在react项目中引入jquery，同时嫌第三方插件太麻烦，最终选择window.print()，具体这几种方法区别大家可以去网上查一下，这类博客很多。

废话不多说，直接贴代码

<!DOCTYPE html>
<html>
<head>
  <meta charset=" utf-8">
  <title>打印</title>
  <link rel="stylesheet" href="./print.css" rel="external nofollow" type="text/css">
  <style type="text/css">
    @import url("print.css") print;
  </style>
  <script language="javascript">
      function remove_ie_header_and_footer() {
        let HKEY_Root, HKEY_Path, HKEY_Key;
        HKEY_Root = "HKEY_CURRENT_USER";
        HKEY_Path = "\\Software\\Microsoft\\Internet Explorer\\PageSetup\\";
        try {
          let RegWsh = new ActiveXObject("WScript.Shell");
          HKEY_Key = "header";
          RegWsh.RegWrite(HKEY_Root + HKEY_Path + HKEY_Key, "");
          HKEY_Key = "footer";
          RegWsh.RegWrite(HKEY_Root + HKEY_Path + HKEY_Key, "");
        }
        catch (e) {}
      }
      function printPage(printpage)
      {
        if (!!window.ActiveXObject || "ActiveXObject" in window) { //是否ie
          remove_ie_header_and_footer();
        }
        let newstr = printpage.innerHTML;
        let oldstr = document.body.innerHTML;
        document.body.innerHTML =newstr;
        window.print();
        document.body.innerHTML=oldstr;
        return false;
      }
      window.onload = function()
      {
        let bt=document.getElementById("bt");
        let page=document.getElementById("printPage");
        bt.onclick=function()
        {
          printPage(page);
        }
      }
  </script>
</head>
<body>
<!--startPrint-->
<div id="printPage" >
  <div id="emsType" class="left">
    <span class="deviation">标准快递</span>
  </div>
  <div id="barcode" class="right">
    <span class="deviation">二维码</span>
  </div>
  <div id="sender" class="left">
    <span class="deviation">寄件：</span>
    <span>xxxx</span>
  </div>
  <div id="area" class="right">
    <span class="deviation">xxx区</span>
  </div>
  <div id="recipient" class="left">
    <span class="deviation">收件：</span>
    <span class="deviation">xxxx人xxxx手机xxxxxxx</span>
    <span class="deviation">xxxxxxxx小区</span>
  </div>
  <div id="pay" class="left">
    <span class="deviation">付款方式：</span>
    <span></span>
    <br/>
    <span class="deviation">计费重量（KG）：</span>
    <span></span>
    <br/>
    <span class="deviation">保价金额（元）：</span>
    <span></span>
    <br/>
  </div>
  <div id="delivers" class="right">
    <span class="deviation">收件人\代收人：</span>
    <span></span>
    <br/>
    <span class="deviation">签收时间：</span>
    <span></span>
    <span>年</span>
    <span></span>
    <span>月</span>
    <span></span>
    <span>日</span>
    <span></span>
    <span>时</span>
    <br/>
    <span id="note">快件送达收货人地址，经收件人或收件人允许的代收人签字，视为送达</span>
  </div>
  <div id="order" class="left">
    <span class="deviation">订单号：</span>
    <span></span>
    <span class="deviation">件数：</span>
    <span></span>
    <span class="deviation">重量（KG）：</span>
    <span></span>
    <span></span>
  </div>
  <div id="divide" class="left">
  </div>
  <div id="number" class="left right">
    <span class="deviation">条码</span>
  </div>
  <div id="send" class="left right">
    <span class="deviation">寄件：</span>
    <span></span>
  </div>
  <div id="pickup" class="right">
    <span class="deviation">收件：</span>
    <span></span>
  </div>
  <div id="remark" class="left">
    <span class="deviation">备注：</span>
    <span></span>
  </div>
  <div id="net" class="left">
    <span class="deviation">www.ems.cn &nbsp;&nbsp;&nbsp;&nbsp; 客服电话：11183</span>
  </div>
  <div id="QRCode" class="right">
    <span class="deviation">二维码</span>
  </div>
</div>
<!--endPrint-->
<input name="print" class=" no-print" type="button" id="bt" value="点击打印" />
</body>
</html>

通过css3 print控制打印样式，不需要打印的可以通过添加 class为noPrint来隐藏

@media print{
  body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input, textarea, th, td { margin:0; padding:0; }
  body, button, input, select, textarea { font:12px/1.5 arial,"黑体", \5b8b\4f53; }
  h1, h2, h3, h4, h5, h6{ font-size:100%; }
  address, cite, dfn, em, var { font-style:normal; }
  code, kbd, pre, samp { font-family:couriernew, courier, monospace; }
  small{ font-size:12px; }
  ul, ol { list-style:none; }
  a { text-decoration:none; }
  a:hover { text-decoration:underline; }
  sup { vertical-align:text-top; }
  sub{ vertical-align:text-bottom; }
  legend { color:#000; }
  fieldset, img { border:0; }
  button, input, select, textarea { font-size:100%; }
  table { border-collapse:collapse; border-spacing:0; }
  .no-print{
    display:none;
  }
  @page{
    size: 100mm 150mm;
    margin: 1.75mm;
  }
  #printPage {
    width: 96mm;
    height: 146mm;
    position: relative;
    border: 1px dotted #000000;
    box-sizing: border-box;
  }
  #printPage span{
    margin-left: 2mm;
  }
  .left {
    border-left: 1px dotted #000000;
    border-right: 1px dotted #000000;
    border-bottom: 1px dotted #000000;
    left: 0;
  }
  .right {
    border-right: 1px dotted #000000;
    border-bottom: 1px dotted #000000;
    /*right: 0;*/
  }
  .deviation{
    margin-left: 2mm;
  }
  #emsType{
    width: 40mm;
    height: 14mm;
    position: absolute;
    top: 0;
    padding-top: 6mm;
    font-size: 20px;
    border-top: 1px dotted #000000;
  }
  #barcode{
    width: 56mm;
    height: 20mm;
    position: absolute;
    top: 0;
    left: 40mm;
    border-top: 1px dotted #000000;
  }
  #sender{
    width: 46mm;
    height: 15mm;
    font-size: 12px;
    position: absolute;
    top: 20mm;
  }
  #area{
    width: 50mm;
    height: 15mm;
    position: absolute;
    top: 20mm;
    left: 46mm;
  }
  #recipient{
    width: 96mm;
    height: 17mm;
    position: absolute;
    left: 0;
    top: 35mm;
    font-size: 12px;
  }
  #pay{
    width: 40mm;
    height: 14mm;
    position: absolute;
    top: 52mm;
    font-size: 12px;
  }
  #delivers{
    width: 56mm;
    height: 14mm;
    position: absolute;
    top: 52mm;
    left: 40mm;
    font-size: 12px;
  }
  #order{
    width: 96mm;
    height: 20mm;
    position: absolute;
    left: 0;
    top: 66mm;
    font-size: 12px;
  }
  #divide{
    width: 96mm;
    height: 4mm;
    position: absolute;
    left: 0;
    top: 86mm;
  }
  #number{
    width: 96mm;
    height: 15mm;
    position: absolute;
    left: 0;
    top: 90mm;
    font-size: 12px;
  }
  #send{
    width: 40mm;
    height: 17mm;
    position: absolute;
    top: 105mm;
    font-size: 12px;
  }
  #pickup{
    width: 56mm;
    height: 17mm;
    position: absolute;
    top: 105mm;
    left: 40mm;
    font-size: 12px;
  }
  #remark{
    width: 68mm;
    height: 17mm;
    position: absolute;
    top: 122mm;
    font-size: 12px;
  }
  #net{
    width: 68mm;
    height: 7mm;
    position: absolute;
    top: 139mm;
    font-size: 12px;
  }
  #QRCode{
    width: 28mm;
    height: 24mm;
    position: absolute;
    top: 122mm;
    left: 68mm;
  }
  #note{
    font-size: 6px;
  }
}

一开始在ff和chrome打印出来的会有细微差别，这是由于浏览器自带样式的影响，清除浏览器样式后基本没区别了还有就是chrome需要将浏览器设置里自定义字体中最小字体调到最低，不然会影响打印效果 ff这需要在打印里设置页头页脚为空白，不然打印的带页头页脚。

此外chrome打印出来的比ff清楚，这点原因我还没搞清楚。

贴两张打印预览，上面是chrome，下面是ff