日期:2014-05-16  浏览次数:20496 次

实例讲解JS计算表格每行的和与总和代码

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>IT知道网_ww.itwis.com--javascript计算每行的和与总和(QTY,PRICE,TOTAL,合计)</title>
</head>

<body>
<table width="760" border="0" cellspacing="1" cellpadding="0" class="tb" id="tlist"> 
    <tr class="tit2"> 
    <td>ITEM NO </td> <td>ITEM DESCRIPTION </td> <td>QTY </td> <td>PRICE </td> <td>INNER </td> <td>OUTER </td> <td>TOTAL </td> <td>REMARKS </td> <td>操作 </td> 
    </tr> 
    <tr class="tit3"> 
    <td><input type="text" name="fno" size=12 maxlength=12> </td> 
    <td><input type="text" name="fdesc" size=32> </td> 
    <td><input type="text" name="fqty" size=7 maxlength=7 value='0' onchange='chtotal(this);'> </td> 
    <td><input type="text" name="fprice" size=6 maxlength=6 value='0' onchange='chtotal(this);'> </td> 
    <td><input type="text" name="finners" size=4 maxlength=4> </td> 
    <td><input type="text" name="fouters" size=4 maxlength=4> </td>    
    <td><input type="text" name="ftotal" size=8 readonly value='0'> </td> 
    <td><input type="text" name="fremarks" size=20 maxlength=100> </td> 
    <td><input type="button" value="删除" name='del' onclick="delrecord(this);"> </td> 
    </tr> 
    <tr class="tit3"> <td>合计 </td> <td colspan=4> </td> <td colspan=2 align='right'> <b id="znum">0 </b> </td> <td colspan=2> </td> </tr> 
    <tr class="tit2"> 
    <td colspan=9> <input type="button" value="增加条目" onclick="AddRecord();"> </td> 
    </tr> 
    </table>

<script>  
function AddRecord()  
{  
  var  row  =  tlist.insertRow(tlist.rows.length-2); 
  row.className='tit3'; 
  var  i  =  row.rowIndex;  
  var  col  =  row.insertCell(0);    
  col.innerHTML  =  " <input type='text' name='fno' size=12 maxlength=12>";    
  col  =  row.insertCell(1);    
  col.innerHTML  =  " <input type='text' name='fdesc' size=32 maxlength=100>";    
  col  =  row.insertCell(2);    
  col.innerHTML  =  " <input type='text' name='fqty' size=7 maxlength=7 value='0' onchange='chtotal(this);'>";    
  col  =  row.insertCell(3);    
  col.innerHTML  =  " <input type='text' name='fprice' size=6 maxlength=6 value='0' onchange='chtotal(this);'>";    
  col  =  row.insertCell(4);    
  col.innerHTML  =  " <input type='text' name='finners'