js实现动态添加、删除行、onkeyup表格求和示例

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我是靠谱客的博主热情柚子，最近开发中收集的这篇文章主要介绍js实现动态添加、删除行、onkeyup表格求和示例，觉得挺不错的，现在分享给大家，希望可以做个参考。
概述

复制代码代码如下:
 
<%@ page language="java" contentType="text/html; charset=UTF-8" 
pageEncoding="UTF-8"%> 
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> 
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 
<title>发货申请</title> 
<script type="text/javascript"> 
function countTotalRealPrice(){ 
var productNeedNum = $("#productNeedNum").val(); 
var realPrice= $("#realPrice").val(); 
var totalRealPrice=productNeedNum*realPrice; 
$("#totalRealPrice").val(totalRealPrice); 

} 
function countTotalTicketPrice(){ 
var productNeedNum = $("#productNeedNum").val(); 
var ticketPrice = $("#ticketPrice").val() 
var totalTicketPrice= productNeedNum*ticketPrice; 
$("#totalTicketPrice").val(totalTicketPrice); 
} 

$(function(){ 
$("#t1").css("display", "none"); 
$("#t2").css("display", "none"); 
$("#t3").css("display", "none"); 
$("#t4").css("display", "none"); 
$("#t5").css("display", "none"); 

}); 
/* function sumNum(){ 
$("input[name=productNeedNum]").each(function(){ 
//alert($(this).attr("id"));//每一个的id 
var productNeedNum=$("#productNeedNum").attr("value") 
alert(productNeedNum); 
// var sum += productNeedNum; 
//alert("sum:"+sum); 
// $("#sum").val(sum); 
}); 

} */ 

function addRow(){ 
var x=document.getElementById('tb1').insertRow(3); 
var a=x.insertCell(0) 
var b=x.insertCell(1) 
var c=x.insertCell(2) 
var d=x.insertCell(3) 
var e=x.insertCell(4) 
var f=x.insertCell(5) 
var g=x.insertCell(6) 
var h=x.insertCell(7) 
var a1 = "<select id='productId' name='productId' style='width: 140px;height: 22px; text-align: center;'><c:forEach items='${productIdNames}' var='p'><option value='${p.productId }'>${p.commName }</option></c:forEach></select>"; 
var b1="<select id='typeName' name='typeName' style='width: 140px;height: 22px; text-align: center;'><c:forEach items='${typeInfos }' var='ti'><option value='${ti.typeId }'> ${ti.typeName }</option></c:forEach> </select>"; 
var c1 = "<select id='' name='' style='width: 70px;height: 22px; text-align: center;'><option value='0'> 盒</option><option value='1'> 瓶</option></select>"; 
var d1="<input onkeyup='sum(this.id)' name='productNeedNum' id='productNeedNum' type='text' style='width:89%;height: 18px' value='0' />"; 
var e1='<input onkeyup="sum(this.id)" name="realPrice" id="realPrice" type="text" style=" width:89%;height: 18px;" value="0"/>'; 
var f1='<input onkeyup="sum(this.id)" name="ticketPrice" id="ticketPrice" type="text" style=" width:91%;height: 18px;" value="0"/>'; 
var g1='<input name="totalRealPrice" id="totalRealPrice" type="text" style=" width:92%;height: 18px;" value="0" />'; 
var h1="<input name='totalTicketPrice' id='totalTicketPrice' type='text' style=' width:92.5%;height: 18px;' value='0' />"; 
a.innerHTML=a1 
b.innerHTML=b1 
c.innerHTML=c1 
d.innerHTML=d1 
e.innerHTML=e1 
f.innerHTML=f1 
g.innerHTML=g1 
h.innerHTML=h1 
} 
function deleteRow(){ 
var tab = document.getElementById('tb1'); 
if(tab.rows.length > 4) 
{ 
tab.deleteRow(tab.rows.length-2); 
}else{ 
alertMsg.confirm("已经剩下最后一行，不能删除！"); 
} 
} 

function sum(x){ 
var y=document.getElementById(x).value; 
if(isNaN(y)){ 
document.getElementById(x).value=0; 
} 
var num=document.getElementById("productNeedNum").value; 
var realPrice=document.getElementById("realPrice").value; 
var ticketPrice=document.getElementById("ticketPrice").value; 
var total=0; 
if(realPrice!=null){ 
total=num*realPrice; 
document.getElementById("totalRealPrice").value=total; 
} 
if(ticketPrice!=null){ 
total=num*ticketPrice; 
document.getElementById("totalTicketPrice").value=total; 
} 

} 
</script> 
</head> 
<body> 
<form id="form1" method="post" action="${basePath}/sale/deliverSaleApply" class="pageForm required-validate" onsubmit="return validateCallback(this,navTabAjaxDone)"> 
<div class="pageFormContent nowrap" layoutH="56"> 
<div style="text-align:center; top: 90px;position: relative;"> 
<table width="752" border="1px;" align="center" style="border-collapse:collapse;border:1px solid black;margin:auto;"> 
<tr height="20px;"> 
<td style="width:180px; height:20px; vertical-align: middle">申请人: 
<input name="fullName" id="fullName" type="text" value="${user.fullName }" disabled="true" /> 
</td> 
<td width="100" align="left">区域: 
<select id="areaId" name="areaId" > 
<c:forEach items="${areaTypes}" var="a"> 
<option value="${a.areaId}">${a.areaName }</option> 
</c:forEach> 
</select> 
</td> 
<td width="180" align="left">申请日期: 
<input name="applyDate" id="applyDate" type="text" class="date textInput readonly " style="width: 40%" readonly="readonly"/> 
<a class="inputDateButton" href="javascript：;">选择</a> 
</td> 
<td style="width:288px; height:20px; vertical-align: middle">业务类型： 
<input type="radio" name="serviceId" id="" value="0" checked="checked"/>即发 
<input type="radio" name="serviceId" id="" value="1"/>即发即开 
<input type="radio" name="serviceId" id="" value="2"/>其他 
</td> 
</tr> 
</table> 
<table width="752" border="1px;" align="center" style="border-collapse:collapse;border:1px solid black;margin:auto;"> 
<tr> 
<td width="121" height="18px;">收货单位全称</td> 
<td width="615"><input name="fullName" id="fullName" type="text" style=" width:99%;height: 20px;"/></td> 
</tr> 
</table> 
<table width="752" border="1px;" align="center" style="border-collapse:collapse;border:1px solid black;margin:auto;" id="tb1"> 
<tr> 
<td width="54" rowspan="80">申请发货明细</td> 
<td width="82" rowspan="2" height="40px;">产品名称</td> 
<td width="65" rowspan="2">规格</td> 
<td colspan="2">数量</td> 
<td colspan="2">单价</td> 
<td colspan="2">结算贷款</td> 
</tr> 
<tr> 
<td width="54">盒/瓶</td> 
<td width="53">件</td> 
<td width="56">实价(元)</td> 
<td width="63">开票价(元)</td> 
<td width="72" onclick="deleteRow()">实价合计(元)</td> 
<td width="85" onclick="addRow()">开票价合计(元)</td> 
</tr> 
<tr id="a1"> 
<td height="20px;"> 
<select id="productId" name="productId" style="width: 140px;height: 22px; text-align: center;"> 
<c:forEach items="${productIdNames}" var="p"> 
<option value="${p.productId }">${p.commName }</option> 
</c:forEach> 
</select> 
</td> 
<td> 
<select id="typeName" name="typeName" style="width: 140px;height: 22px; text-align: center;"> 
<c:forEach items="${typeInfos }" var="ti"> 
<option value="${ti.typeId }"> ${ti.typeName }</option> 
</c:forEach> 
</select> 
</td> 
<td> 
<select id="" name="" style="width: 70px;height: 22px; text-align: center;"> 
<option value="0"> 盒</option> 
<option value="1"> 瓶</option> 
</select> 
</td> 
<td><input name="productNeedNum" id="productNeedNum" type="text" style=" width:89%;height: 18px;" value="0" onkeyup="sum(this.id)"/></td> 
<td><input name="realPrice" id="realPrice" type="text" style=" width:89%;height: 18px;" value="0" onkeyup="sum(this.id)"/></td> 
<td><input name="ticketPrice" id="ticketPrice" type="text" style=" width:91%;height: 18px;" value="0" onkeyup="sum(this.id)"/></td> 
<td><input name="totalRealPrice" id="totalRealPrice" type="text" style=" width:92%;height: 18px;" value="0" /></td> 
<td><input name="totalTicketPrice" id="totalTicketPrice" type="text" style=" width:92.5%;height: 18px;" value="0" /></td> 
</tr> 
<tr> 
<td >合计</td> 
<td height="18px;"> </td> 
<td> </td> 
<td> </td> 
<td> </td> 
<td> </td> 
<td> </td> 
<td> </td> 
</tr> 
</table> 
<table width="752" border="1px;" align="center" style="border-collapse:collapse;border:1px solid black;margin:auto;"> 
<tr> 
<td width="91" height="30px;">结算/付款方式</td> 
<td colspan="7"> 
<input type="radio" name="pay" id="" checked="checked" value="0"/>对公 
<input type="radio" name="pay" id="" value="1"/>对私 
<input type="radio" name="pay" id="" value="2"/>非现 
</td> 
</tr> 
<tr> 
<td rowspan="3">发货资料</td> 
<td width="68" height="18px;">发货方式</td> 
<td width="36"> 
<select id="sendType" name="sendType" style="width: 70px;height: 25px;"> 
<option value="0">邮政</option> 
<option value="1">申通</option> 
<option value="2">其他</option> 
</select></td> 
<td width="73">发货始限</td> 
<td width="100"> <input name="accessionDate" id="accessionDate" type="text" class="date textInput readonly" style=" width:76%;height: 18px;" readonly="readonly"/> 
<a class="inputDateButton" href="javascript：;">选择</a></td> 
<td colspan="3"> 
<input type="radio" name="priorityFlag" id="common" checked="checked" value="0"/>普通件 
         <input type="radio" name="priorityFlag" id="urgency" value="1"/>急件 
</td> 
</tr> 
<tr> 
<td height="18px;">收货地址</td> 
<td colspan="6"><input name="recvAddr" id="recvAddr" type="text" style=" width:99%;height: 20px;"/></td> 
</tr> 
<tr> 
<td height="18px;">到站</td> 
<td><input name="arriveAddr" id="arriveAddr" type="text" style=" width:91%;height: 20px;"/></td> 
<td>收货人</td> 
<td><input name="recvPerson" id="recvPerson" type="text" style=" width:94%;height: 20px;"/></td> 
<td width="73">联系方式</td> 
<td colspan="2"><input name="contactPhone" id="contactPhone" type="text" style=" width:97.7%;height: 20px;"/></td> 
</tr> 
<tr> 
<td rowspan="2" >审批</td> 
<td colspan="2" height="18px;">总经理室</td> 
<td colspan="2">市场部</td> 
<td colspan="3">所在区域</td> 
</tr> 
<tr> 
<td colspan="2" height="20px;"> 
<input type="radio" id="" name="approvalTwo" checked="checked" value="0"/>不同意 
<input type="radio" id="" name="approvalTwo" value="1" disabled="true"/>同意 
</td> 
<td colspan="2"> 
<input type="radio" id="" name="approvalOne" checked="checked" value="0"/>不同意 
<input type="radio" id="" name="approvalOne" value="1" disabled="true"/>同意 
</td> 
<td colspan="3"> 
<input type="radio" id="" name="approvalThree" checked="checked" value="0"/>不同意 
<input type="radio" id="" name="approvalThree" value="1" disabled="true"/>同意 
</td> 
</tr> 
</table> 
<table width="752" border="1px;" align="center" style="border-collapse:collapse;border:1px solid black;margin:auto;" id="t1"> 
<tr> 
<td width="398" height="30px;">以下由市场部/财务部填写</td> 
</tr> 
</table> 
<table width="752" border="1px;" align="center" style="border-collapse:collapse;border:1px solid black;margin:auto;" id="t2"> 
<tr> 
<td width="96" rowspan="4">贷款给付情况</td> 
<td width="96" height="30px;">入账时间</td> 
<td width="179">入账银行 账号/卡号</td> 
<td width="85">入账金额</td> 
<td colspan="2">经办人</td> 
</tr> 
<tr> 
<td height="30px;"><input name="recvTime" id="recvTime" type="text" class="date textInput readonly " style=" width:81%;height: 24px;" readonly="readonly"/> 
<a class="inputDateButton" href="javascript：;">选择</a></td> 
<td><input name="cardNo" id="cardNo" type="text" style=" width:97.2%;height: 24px;"/></td> 
<td><input name="balance" id="balance" type="text" style=" width:94.9%;height: 24px;"/></td> 
<td width="57"><input disabled="true" name="dealPerson" id="dealPerson" type="text" style=" width:93%;height: 24px;" value="${user.fullName}"/></td> 
</tr> 
</table> 
<table width="752" border="1px;" align="center" style="border-collapse:collapse;border:1px solid black;margin:auto;" id="t3"> 
<tr> 
<td width="76" rowspan="2">发运情况</td> 
<td width="80" height="30px;">发运时间</td> 
<td width="139"> 
<input name="sendTime" id="sendTime" type="text" class="date textInput readonly " style=" width:83%;height: 24px;" readonly="readonly"/> 
<a class="inputDateButton" href="javascript：;">选择</a> 
</td> 
<td width="119">经办人</td> 
<td width="128"><input name="dealPerson" id="dealPerson" disabled="true" type="text" style=" width:95.5%;height: 24px;" value="${user.fullName}"/></td> 
<td width="170">《内部发货单》号码</td> 
</tr> 
<tr> 
<td height="30px;">承运单位</td> 
<td><input name="sendUnit" id="sendUnit" type="text" style=" width:96%;height: 24px;"/></td> 
<td>运单号码</td> 
<td><input name="postId" id="postId" type="text" style=" width:95.5%;height: 24px;"/></td> 
<td><input name="innerSendOrderNum" id="innerSendOrderNum" type="text" style=" width:96.5%;height: 24px;"/></td> 
</tr> 
</table> 
<table width="752" border="1px;" align="center" style="border-collapse:collapse;border:1px solid black;margin:auto;" id="t4"> 
<tr> 
<td width="219" rowspan="4">申请开票事项</td> 
<td width="70" height="30px;" >客户(收票)全称</td> 
<td colspan="4"><input name="custChecks" id="custChecks" type="text" style=" width:98.5%;height: 24px;"/></td> 
</tr> 
<tr> 
<td height="30px;">单位地址</td> 
<td colspan="4"><input name="companyAddr" id="companyAddr" type="text" style=" width:98.5%;height: 24px;"/></td> 
</tr> 
<tr> 
<td height="30px;">单位税号</td> 
<td width="53" colspan="2"><input name="cardNo" id="cardNo" type="text" style=" width:95.5%;height: 24px;"/></td> 
<td width="76">电话</td> 
<td width="152"><input name="phone" id="phone" type="text" style=" width:96.5%;height: 24px;"/></td> 
</tr> 
<tr> 
<td height="30px;">开户银行</td> 
<td colspan="2"><input name="acctBank" id="acctBank" type="text" style=" width:95.5%;height: 24px;"/></td> 
<td>账号</td> 
<td><input name="acctNum" id="acctNum" type="text" style=" width:96.5%;height: 24px;"/></td> 
</tr> 
<tr> 
<td rowspan="4">发票开具领用情况</td> 
<td height="30px;">开票时间</td> 
<td colspan="2"><input name="invoiceTime" id="invoiceTime" type="text" class="date textInput readonly " style=" width:83%;height: 24px;" readonly="readonly"/> 
<a class="inputDateButton" href="javascript：;">选择</a></td> 
<td>发票号码</td> 
<td><input name="invoiceNum" id="invoiceNum" type="text" style=" width:96.5%;height: 24px;"/></td> 
</tr> 
<tr> 
<td rowspan="3">开票款额</td> 
<td height="30px;" width="55px;">金额</td> 
<td width="75px;"><input name="invoiceMoney" id="invoiceMoney" type="text" style=" width:92%;height: 24px;"/></td> 
<td>领票人</td> 
<td><input name="invoiceTaker" id="invoiceTaker" type="text" style=" width:96.5%;height: 24px;"/></td> 
</tr> 
<tr> 
<td height="30px;">税额</td> 
<td><input name="invoiceTax" id="invoiceTax" type="text" style=" width:92%;height: 24px;"/></td> 
<td>领票时间</td> 
<td> 
<input name="invoiceTakeTime" id="invoiceTakeTime" type="text" class="date textInput readonly " style=" width:86%;height: 24px;" readonly="readonly"/> 
<a class="inputDateButton" href="javascript：;">选择</a> 
</td> 
</tr> 
<tr> 
<td height="30px;">价税合计</td> 
<td> </td> 
<td>承寄商/单号</td> 
<td><input name="invoiceOddNum" id="invoiceOddNum" type="text" style=" width:96.5%;height: 24px;"/></td> 
</tr> 
</table> 
<table width="752" border="1px;" align="center" style="border-collapse:collapse;border:1px solid black;margin:auto;" id="t5"> 
<tr> 
<td width="73" height="30px;">备注</td> 
<td width="663"><input name="desc" id="desc" type="text" style=" width:99.1%;height: 24px;"/></td> 
</tr> 
</table><br/> 
<p style="left: 660px;color: red">说明：①、点击单元格"开票价合计(元)"添加行</p><br/><br/> 
<p style="left: 292px;color: red">②、点击单元格"实格合计(元)"删除行</p> 
<p> </p> 
<p> </p> 
<p> </p> 
<p> </p> 
<p> </p> 
<p> </p> 
<p>  </p> 
</div> 
</div> 
<div class="formBar"> 
<ul> 
<li><div class="buttonActive"><div class="buttonContent"><button type="submit">提交</button></div></div></li> 
<li><div class="button"><div class="buttonContent"><button type="button" class="close">取消</button></div></div></li> 
</ul> 
</div> 
</form> 
</body> 
</html> 