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javaScript 连接打印机,打印小票的实例

2018年02月05日  | 移动技术网IT编程  | 我要评论

如下所示：

<%@ page contenttype="text/html;charset=utf-8"%>
<%@ include file="/webpage/include/taglib.jsp"%>
<!-- <!doctype html> -->
<html>
<head>
<meta name="decorator" content="default" />
<script type="text/javascript" src="${ctxstatic}/jquery-ztree/3.5.12/js/jquery-1.4.4.min.js"></script>
<script type="text/javascript" src="${ctxstatic}/newstyle/jspdf.debug.js"></script>
<script type="text/javascript" src="${ctxstatic}/newstyle/html2canvas.js"></script>
<script type="text/javascript">
function doprint(){
 
   bdhtml=window.document.body.innerhtml; 
   sprnstr="<!--startprint-->"; 
   eprnstr="<!--b-->"; 
   prnhtml=bdhtml.substr(bdhtml.indexof(sprnstr)+17); 
   prnhtml=prnhtml.substring(0,prnhtml.indexof(eprnstr)); 
   window.document.body.innerhtml=prnhtml; 
   window.print(); 
   top.layer.closeall();
   
}
function closes (){
  top.layer.closeall();
}

function downpdf(){
 document.getelementbyid("dayin").style.display = "none";
 document.getelementbyid("baocun").style.display = "none";
  html2canvas(document.body, {
   onrendered:function(canvas) {
    var contentwidth = canvas.width;
    var contentheight = canvas.height;
    //一页pdf显示html页面生成的canvas高度;
    var pageheight = contentwidth / 592.28 * 841.89;
    //未生成pdf的html页面高度
    var leftheight = contentheight;
    //pdf页面偏移
    var position = 0;
    //a4纸的尺寸[595.28,841.89]，html页面生成的canvas在pdf中图片的宽高
    var imgwidth = 595.28;
    var imgheight = 592.28/contentwidth * contentheight;
    var pagedata = canvas.todataurl('image/jpeg', 1.0);
    var pdf = new jspdf('', 'pt', 'a4');
    //有两个高度需要区分，一个是html页面的实际高度，和生成pdf的页面高度(841.89)
    //当内容未超过pdf一页显示的范围，无需分页
    if (leftheight < pageheight) {
     pdf.addimage(pagedata, 'jpeg', 0, 0, imgwidth, imgheight );
    } else {
     while(leftheight > 0) {
      pdf.addimage(pagedata, 'jpeg', 0, position, imgwidth, imgheight)
      leftheight -= pageheight;
      position -= 841.89;
      //避免添加空白页
      if(leftheight > 0) {
       pdf.addpage();
      }
     }
    }
    pdf.save(document.getelementbyid("emno").innertext+"("+document.getelementbyid("dt").innertext+').pdf');
   }
  })
  document.getelementbyid("baocun").style.display = "";
  document.getelementbyid("dayin").style.display = "";
}
</script>
</head>
<body >
<div style="width: 800px;height: 35px;">
 <button id="dayin" onclick="doprint()" class="" style="border-bottom:1px solid #0071ce;float: right;background: #0071ce;color:rgb(255, 255, 255);font-size:13px;margin-right: 10px; margin-top: 10px;"><i class="fa fa-print"></i>打印</button>
 <button id="baocun" onclick="downpdf()" class="" style="border-bottom:1px solid #0071ce;float: right;background: #0071ce;color:rgb(255, 255, 255);font-size:13px;margin-right: 10px; margin-top: 10px;"><i class="fa fa-print"></i>保存</button>
</div>
<!--startprint-->
<br>
 <div id="print" style="padding-left: 15px; padding-right: 15px;">
  <table style="width: 100%">
   <tr>
    <td colspan="8" style="text-align: center;font-size: 20px;">新xxxxx物业服务中心</td>
   </tr>
   <tr >
    <td colspan="8"style="text-align: center;font-size: 14px;padding-top: 10px;">收费单据</td>
   </tr>
   <tr>
    <td colspan="2">收票类型：电费</td>
    <td colspan="3"></td>
    <td>缴费日期：</td>
    <td colspan="2" id="dt">${emfee.dt}</td>
   </tr>
   <tr>
    <td style="text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">户名</td>
    <td style="text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.username}</td>
    <td style="text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">表号</td>
    <td id="emno" colspan="2" style="text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.emno}</td>
    <td style=" text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">房号</td>
    <td colspan="2" style=" text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.num}</td>
   </tr>
   <tr>
    <td style=" text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">起止时间</td>
    <td colspan="3" style=" text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.emdt}至${emfee.startdt}</td>
    <td style=" text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">缴费金额</td>
    <td style=" text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.tranmoney}</td>
    <td style="text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">倍率</td>
    <td style="text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.emrate}</td>
   </tr>
   <tr>
    <td rowspan="6" style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;">用电量</td>
    <td style="width: 12%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">时段</td>
    <td colspan="2" style="width: 13%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">起止表码</td>
    <td style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">倍率前用量</td>
    <td style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">本次用量</td>
    <td style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">单价</td>
    <td style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">本次电费</td>
   </tr>
   <tr>
    <td style="width: 12%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">尖</td>
    <td colspan="2" style="width: 13%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.mosaicjian}</td>
    <td style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.jianquantity}</td>
    <td style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.bljian}</td>
    <td style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.jian}</td>
    <td style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.jianfee}</td>
   </tr>
   <tr>
    <td style="width: 12%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">峰</td>
    <td colspan="2" style="width: 13%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.mosaicfeng}</td>
    <td style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.fengquantity}</td>
    <td style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.blfeng}</td>
    <td style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.feng}</td>
    <td style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.fengfee}</td>
   </tr>
   <tr>
    <td style="width: 12%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">平</td>
    <td colspan="2" style="width: 13%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.mosaicping}</td>
    <td style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.pingquantity}</td>
    <td style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.blping}</td>
    <td style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.ping}</td>
    <td style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.pingfee}</td>
   </tr>
   <tr>
    <td style="width: 12%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">谷</td>
    <td colspan="2" style="width: 13%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.mosaicgu}</td>
    <td style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.guquantity}</td>
    <td style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.blgu}</td>
    <td style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.gu}</td>
    <td style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.gufee}</td>
   </tr>
   <tr>
    <td style="width: 12%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">总</td>
    <td colspan="2" style="width: 13%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.mosaiczong}</td>
    <td style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.quantity}</td>
    <td style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">${emfee.blquantity}</td>
    <td style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">——</td>
    <td style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;">${emfee.electfee}</td>
   </tr>
   <tr>
    <td rowspan="2" style="text-align: center;font-size: 14px;height:40px;border:1px solid #000000;">电费</td>
    <td style="width: 12%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">上次剩余(元)</td>
    <td colspan="2" style="width: 13%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">本期已用(元)</td>
    <td colspan="2" style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">本次缴费(元)</td>
    <td colspan="2" style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;border-bottom:0px solid #000000;">本次剩余(元)</td>
   </tr>
   <tr>
    <td style="width: 12%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;">${emfee.lastremainq}</td>
    <td colspan="2" style="width: 13%; text-align: center ;font-size: 14px;height: 40px;border:1px solid #000000;">${emfee.electfee}</td>
    <td colspan="2" style="width: 12%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;">${emfee.tranmoney}</td>
    <td colspan="2" style="width: 13%; text-align: center;font-size: 14px;height: 40px;border:1px solid #000000;">${emfee.remainq}</td>
   </tr>
   <tr>
    <td colspan="2" style="text-align: center;font-size: 14px;height: 40px;"></td>
    <td style="text-align: center;font-size: 14px;height: 40px;">收款人：</td>
    <td colspan="2" style="text-align: center;font-size: 14px;height: 40px;"></td>
    <td style="text-align:center ;font-size: 14px;height: 40px;">付款人：</td>
    <td colspan="2" style="text-align:center ;font-size: 14px;height: 40px;"></td>
   </tr>
  </table>
 <!--b-->
 </div>
</body>
</html>

以上这篇javascript 连接打印机,打印小票的实例就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持移动技术网。

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