日期:2014-05-16  浏览次数:20279 次

JS实现类似excel的表格数据输入,并自动计算的页面
JS实现类似excel的表格数据输入,并自动计算的页面

------解决方案--------------------
这个需要自己写函数 写逻辑

楼主参考下

HTML code


<script type="text/javascript">
function tiJiao(){
    var id_td1 = document.getElementById("td1");
    var id_td2 = document.getElementById("td2");
    var id_td3 = document.getElementById("td3");
    id_td3.innerHTML =id_td1.innerHTML * id_td2.innerHTML;
}
function add(id) 
{ 
var row = id.insertRow(id.rows.length); 
var col = row.insertCell(0);
col.innerHTML = "&nbsp;"; 
var col = row.insertCell(1); 
col.innerHTML = "&nbsp;"; 
col = row.insertCell(2); 
col.innerHTML = "&nbsp;"; 
} 
</script>


<table border="1" id="tbid">
<tr>
<td width="100px;">单价</td>
<td width="100px;">数量</td>
<td width="100px;">总额</td>
</tr>
<tr>
<td id="td1">12</td>
<td id="td2">34</td>
<td id="td3"></td>
</tr>
</table>
<input type="button" onClick="tiJiao()" value="计算">
<input type="button" onClick="add(tbid)" value="增加行">

------解决方案--------------------
HTML code
<!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>Insert title here</title>
</head>
<body>
    
<table width="80%" border="1" align="center" id="test">
  <tr>
    <td width="69">列值</td>
    <td width="69">整数一</td>
    <td width="69">整数二</td>
    <td width="54">总和</td>
  </tr>
  <tr>
    <td>1</td>
    <td><input type="text" name="textfield" onchange="count(this)"></td>
    <td><input type="text" name="textfield3" onchange="count(this)"></td>
    <td><input type="text" name="textfield5" disabled></td>
  </tr>
  <tr>
    <td>2</td>
    <td><input type="text" name="textfield2" onchange="count(this)"></td>
    <td><input type="text" name="textfield4" onchange="count(this)"></td>
    <td><input type="text" name="textfield6"disabled></td>
  </tr>
  <tr>
    <td>合计</td>
    <td><input type="text" name="textfield2" disabled></td>
    <td><input type="text" name="textfield4" disabled></td>
    <td><input type="text" name="textfield6" disabled></td>
  </tr>
</table>

    
<script type="text/javascript"> 

function count(inp) {
        //算总和
        var trObj = inp.parentElement.parentElement;
        var sum = 0;
        for (var i=1; i<trObj.children.length-1; i++) //循环input所在行的单元格(除去第一格和最后一格)
        {
            sum += trObj.childNodes[i].firstChild.value ? parseInt(trObj.childNodes[i].firstChild.value,10) : 0; //如果input值为空,则算作0
        }
        trObj.childNodes[trObj.children.length-1].firstChild.value = sum; //给最后一格内的input赋值
        //算合计
        var tab = document.getElementById("test");
        for (var i=1; i<tab.rows[0].cells.length; i++) //循环列(除去第一列和最后一列)
        {
            var total = 0;
            for (var j=1; j<t