javaScript connects to printer and prints receipt example sharing
This article mainly shares with you an example of javaScript linking to a printer and printing receipts. It has a good reference value and I hope it will be helpful to everyone. Let’s follow the editor to take a look, I hope it can help everyone.
As shown below:
<%@ 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 >
<p 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>
</p>
<!--startprint-->
<br>
<p 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-->
</p>
</body>
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