js 动态添加表格行和列

kouyandong · 发表于 2013-2-7 19:19:48

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML> <HEAD> <TITLE> New Document </TITLE> <META NAME="Generator" CONTENT="EditPlus"> <META NAME="Author" CONTENT=""> <META NAME="Keywords" CONTENT=""> <META NAME="Description" CONTENT=""><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <script language="javascript"> // Example: obj = findObj("image1"); function findObj(theObj, theDoc){ var p, i, foundObj; if (!theDoc) theDoc = document; if ((p = theObj.indexOf("?")) > 0 && parent.frames.length) { theDoc = parent.frames[theObj.substring(p + 1)].document; theObj = theObj.substring(0, p); } if (!(foundObj = theDoc[theObj]) && theDoc.all) foundObj = theDoc.all[theObj]; for (i = 0; !foundObj && i < theDoc.forms.length; i++) foundObj = theDoc.forms[i][theObj]; for (i = 0; !foundObj && theDoc.layers && i < theDoc.layers.length; i++) foundObj = findObj(theObj, theDoc.layers[i].document); if (!foundObj && document.getElementById) foundObj = document.getElementById(theObj); return foundObj; } //添加一个参与人填写行 function AddSignRow(){ //读取最后一行的行号，存放在txtTRLastIndex文本框中 var txtTRLastIndex = findObj("txtTRLastIndex", document); var rowID = parseInt(txtTRLastIndex.value); var signFrame = findObj("SignFrame", document); //添加行 var newTR = signFrame.insertRow(signFrame.rows.length); newTR.id = "SignItem" + rowID; //添加列:序号 var newNameTD = newTR.insertCell(0); //添加列内容 newNameTD.innerHTML = newTR.rowIndex.toString(); //添加列:姓名 var newNameTD = newTR.insertCell(1); //添加列内容 newNameTD.innerHTML = "<input name='txtName" + rowID + "' id='txtName" + rowID + "' type='text' size='12' />"; //添加列:电子邮箱 var newEmailTD = newTR.insertCell(2); //添加列内容 newEmailTD.innerHTML = "<input name='txtEMail" + rowID + "' id='txtEmail" + rowID + "' type='text' size='20' />"; //添加列:电话 var newTelTD = newTR.insertCell(3); //添加列内容 newTelTD.innerHTML = "<input name='txtTel" + rowID + "' id='txtTel" + rowID + "' type='text' size='10' />"; //添加列:手机 var newMobileTD = newTR.insertCell(4); //添加列内容 newMobileTD.innerHTML = "<input name='txtMobile" + rowID + "' id='txtMobile" + rowID + "' type='text' size='12' />"; //添加列:公司名 var newCompanyTD = newTR.insertCell(5); //添加列内容 newCompanyTD.innerHTML = "<input name='txtCompany" + rowID + "' id='txtCompany" + rowID + "' type='text' size='20' />"; //添加列:删除按钮 var newDeleteTD = newTR.insertCell(6); //添加列内容 newDeleteTD.innerHTML = "<div align='center' style='width:40px'><a href='javascript:;' onclick=\"DeleteSignRow('SignItem" + rowID + "')\">删除</a></div>"; //将行号推进下一行 txtTRLastIndex.value = (rowID + 1).toString(); } //删除指定行 function DeleteSignRow(rowid){ var signFrame = findObj("SignFrame", document); var signItem = findObj(rowid, document); //获取将要删除的行的Index var rowIndex = signItem.rowIndex; //删除指定Index的行 signFrame.deleteRow(rowIndex); //重新排列序号，如果没有序号，这一步省略 for (i = rowIndex; i < signFrame.rows.length; i++) { signFrame.rows[i].cells[0].innerHTML = i.toString(); } }//清空列表 function ClearAllSign(){ if (confirm('确定要清空所有参与人吗？')) { var signFrame = findObj("SignFrame", document); var rowscount = signFrame.rows.length; //循环删除行,从最后一行往前删除 for (i = rowscount - 1; i > 0; i--) { signFrame.deleteRow(i); } //重置最后行号为1 var txtTRLastIndex = findObj("txtTRLastIndex", document); txtTRLastIndex.value = "1"; //预添加一行 AddSignRow(); } } </script> </HEAD> <BODY> <div> <table width="613" border="0" cellpadding="2" cellspacing="1" id="SignFrame"> <tr id="trHeader"> <td width="27" bgcolor="#96E0E2"> 序号 </td> <td width="64" bgcolor="#96E0E2"> 用户姓名 </td> <td width="98" bgcolor="#96E0E2"> 电子邮箱 </td> <td width="92" bgcolor="#96E0E2"> 固定电话 </td> <td width="86" bgcolor="#96E0E2"> 移动手机 </td> <td width="153" bgcolor="#96E0E2"> 公司名称 </td> <td width="57" align="center" bgcolor="#96E0E2"> &nbsp; </td> </tr> </table> </div> <div> <input type="button" name="Submit" value="添加参与人" /><input type="button" name="Submit2" value="清空" /><input name='txtTRLastIndex' type='hidden' id='txtTRLastIndex' value="1" /> </div> </BODY></HTML>

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