js下为表格内部动态添加行的代码_javascript技巧

来源：纷纭教育

未添加行之前：

添加行之后：

演示代码:

<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<title>给表格内部动态添加行</title> 
<style type="text/css"> 
.tableStyle 
{ 
border-collapse: collapse; 
width:100%; 
} 
td 
{ 
font-size:12px; 
height:25px; 
border:1px solid #CCD5E8; 
} 
.btn { 
font-size:12pt; color: #003399; 
border: 1px #003399 solid; 
color:#006699; 
border-bottom: #93bee2 1px solid; 
border-left: #93bee2 1px solid; 
border-right: #93bee2 1px solid; 
border-top: #93bee2 1px solid; 
background-color: #e8f4ff; 
cursor: pointer; 
font-style: normal ; 
width:20px; 
height:22px; 
font-family:Verdana;font-family:Georgia;_font-family:Tahoma; 
padding:0 10px 1px;padding:3px 3px 1px;_padding:0 4px 1px; 
line-height:18px;line-height:14px;_line-height:16px; 
} 
</style> 
</head> 
<body> 
<table class="tableStyle" id="OwnershipStructure"> 
<tr> 
<td width="15%" rowspan="2" id="StructureLeft1"> 
标的企业 
 
股权结构 </td> 
<td width="15%" rowspan="2" id="StructureLeft2">股东人数：人 </td> 
<td width="30%"> 
前十名出资人的名称（做成动态，填几个显示几个） </td> 
<td width="30%">出资比例 </td> 
</tr> 
<tr id="StructureRight"> 
<td> 
<input id="Text1" type="text" /></td> 
<td> 
<input id="Text2" type="text" /><input id="btnAddRow" class="btn" 
onclick="AddStructureRow()" type="button" value="+" /> 
</td> 
</tr> 
<tr> 
<td>评估机构</td><td></td><td></td><td></td> 
</tr> 
<tr><td>评估机构</td><td></td><td></td><td></td> 
</tr> 
</table> 
 
//表单操作 
function AddStructureRow() 
{ 
var obj=document.getElementById("OwnershipStructure"); 
var tr= obj.rows["StructureRight"]; 
//alert(tr.rowIndex); 
var count=document.getElementById("StructureLeft1").getAttribute("rowspan"); 
document.getElementById("StructureLeft1").setAttribute("rowSpan",parseInt(count)+1); 
document.getElementById("StructureLeft2").setAttribute("rowSpan",parseInt(count)+1); 
//插入行 code form www.jb51 .net 
var tr =obj.insertRow(tr.rowIndex+1); 
var trId="trStructure"+tr.rowIndex; 
tr.setAttribute("id",trId); 
var td0 = tr.insertCell(0); 
td0.setAttribute("align","left"); 
//td0.setAttribute("colSpan","4"); 
td0.innerHTML = "<input ID='txtName' type='text'/> "; 
var td1 = tr.insertCell(1); 
td1.setAttribute("align","left"); 
//td1.setAttribute("colSpan","3"); 
td1.innerHTML = "<input ID='txtName' type='text'/><input id='btnDelRow' class='btn' type='button' value='-' onclick='DelStructureRow("+tr.rowIndex+")'/>"; 
} 
function DelStructureRow(rowIndex) 
{ 
var obj=document.getElementById("OwnershipStructure"); 
obj.deleteRow(rowIndex); 
var count=document.getElementById("StructureLeft1").getAttribute("rowspan"); 
document.getElementById("StructureLeft1").setAttribute("rowSpan",parseInt(count)-1); //rowSpan 不要写成rowspan，因为在IE6 与IE7下会有问题 
document.getElementById("StructureLeft2").setAttribute("rowSpan",parseInt(count)-1); 
} 
//End---股东出资人表单操作 
</ script> 
</body> 
</html>

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