js下为表格内部动态添加行的代码_javascript技巧

未添加行之前：

添加行之后：

演示代码:

<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> <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<strong>（做成动态，填几个显示几个）</strong> </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> <script language="javascript" type="text/javascript"> //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>
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