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javascript表格动态添加行,添加列,js,table,tr,td

2009-05-18 19:24 731 查看

<!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="">

<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"> </td>

</tr>

</table>

</div>

<div>

<input type="button" name="Submit" value="添加参与人" onclick="AddSignRow()" />

<input type="button" name="Submit2" value="清空" onclick="ClearAllSign()" />

<input name='txtTRLastIndex' type='hidden' id='txtTRLastIndex' value="1" />

</div>

</BODY>

</HTML>

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