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Javascript 在HTML页面中动态添加表格，动态生成行的示例

??浜?涓?涓?????甯?澶х???浜哄伐?鸿?芥??绋????跺?虹?锛???淇?????锛?椋?瓒ｅ菇榛?锛?杩?甯??娈靛??锛?甯???浣?涔????ュ?版??浠?浜哄伐?鸿?界????浼?涓??ワ?https://blog.csdn.net/jiangjunshow

??????????????? <!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=gb2312">

<title>?ㄦ??娣诲??琛ㄦ?肩ず渚?</title>

<script language="javascript">

//[email?protected] 2005/11

//?ㄦ?????よ????芥?拌?娌℃??瀹?????娉ㄦ?? innerHTML???㈢???т欢浠ｇ??灞??ц??肩???跺??涓?瑕?浣跨?ㄥ???

function addLine(){

?? ?var newLine = planTable.rows.length;

?? ?var row = planTable.insertRow(newLine);?? ??? ?

?? ?var col = row.insertCell(0);?? ?

?? ?col.innerHTML = "<input type=checkbox name = chk" + newLine + ">";

?? ?col = row.insertCell(1);

?? ?col.innerHTML = "<input type=text size=8>";

?? ?col = row.insertCell(2);

?? ?col.innerHTML = "<select name=object><option value=1>杞?浠堕」??1</option><option value=2>杞?浠堕」??2</option></select>";

?? ?col = row.insertCell(3);

?? ??? ?col.innerHTML = "<select name=select><option value=1>璁″??缂???</option><option value=2>璁″??缂???</option></select>";

?? ?col = row.insertCell(4);

?? ?col.innerHTML = "<textarea name=textarea cols='40'></textarea>";

?? ?return newLine;

}

function keyDwonEvent(){

?? ?//alert(event.keyCode);

?? ?var newLine;

?? ?var txt;

?? ?if (event.keyCode == 13&&event.ctrlKey) {

?? ??? ?newLine = addLine();

?? ?}

?? ?

}

function delLine(){

?? ?var i;

?? ?var count;

?? ?count = planTable.rows.length;

?? ?if(count>2){

?? ?planTable.deleteRow(planTable.rows.length-1)

?? ??? ?for(i=0;i<count-1;i++){

?? ??? ??? ?//if(document.chk[i].checked){

?? ??? ??? ??? ?//alert("aa");

?? ??? ??? ?//}

?? ??? ?}

?? ?}

}

</script>

</head>

<body>

<center>

<table width="80%" align="center">

<tr align="center" valign="top">

<td height="37" colspan="9"><h2 align="center">?ュ伐浣?璁″???ュ????</h2></td>

</tr>

<tr>

<td>

</td>

</tr>

<tr>

? <td height="30">&nbsp;</td>

? <td width="15%">濉?琛ㄤ汉: </td>

? <td width="15%"><input name="text2" type="text" disabled value="????1" size="10"></td>

? <td width="1%">&nbsp;</td>

? <td width="21%">&nbsp;</td>

? <td>&nbsp;</td>

? <td><input name="button" type="button" onClick="addLine()" value="?板?璁″??椤?></td>

? <td><input name="button2" type="button" onClick="delLine()" value="???よ?″??椤?></td>

? <td><input name="button3" type="button" value="??浜よ?″???ヨ〃"></td>

</tr>

<tr>

<td width="6%" height="19">&nbsp;

? </td>

<td colspan="4"><font? size="-1"color="#FF0000">娉?璧锋?㈡?堕?存??璇锋????HH:SS-HH:SS ?煎?杈???lt;/font></td>

<td width="6%">&nbsp;</td>

<td width="11%">&nbsp;</td>

<td width="11%">&nbsp;</td>

<td width="14%">&nbsp;</td>

</tr>

<tr><td colspan="9">

</td>

<tr>

<td height="302" valign="top" colspan="9">

<table align="center" width="100%" cellpadding="1" cellspacing="0">

? <tr valign="top">

? ?? ?<td height="258">

?? ?? <table align="center" width="100%" id="planTable" cellpadding="1" cellspacing="0">

?? ??? ?<tr align="center" bgcolor="#66CCCC" onMouseOver="">

?? ??? ?? <td width="6%">????lt;/td>

?? ??? ?? <td width="17%">璧锋?㈡?堕??lt;/td>

?? ??? ??? ?<td width="15%">???╅」??:</td>

?? ??? ??? ?<td width="15%">椤圭??璁″??</td>

?? ??? ??? ?<td width="47%">宸ヤ?璁″????瀹?lt;/td>

?? ??? ??? ?</tr>

?? ??? ?<tr align="center">

?? ??? ?? <td ><input type="checkbox" name="chk0"> </td>

?? ??? ?? <td ><input name="text" type="text" size="8"></td>

?? ??? ?? <td ><select name="object">

??????????? <option value="1">杞?浠堕」??1</option>

??????????? <option value="1">杞?浠堕」??2</option>

????????? </select></td>

?? ??? ?? <td ><select name="select">

??????????? <option value="">璁″??缂???</option>

??????????? <option value="">璁″??缂???</option>

????????? </select></td>

?? ??? ?? <td> <textarea name="textarea" cols="40" onKeyDown="keyDwonEvent()"></textarea></td>

?? ??? ?? </tr>

?? ?</table>?? ?</td>

? </tr>

</table></td>

</tr>

</table>

</center>

</body>

</html>

???????????

??浜?涓?涓?????甯?澶х???浜哄伐?鸿?芥??绋????跺?虹?锛???淇?????锛?椋?瓒ｅ菇榛?锛?杩?甯??娈靛??锛?甯???浣?涔????ュ?版??浠?浜哄伐?鸿?界????浼?涓??ワ?https://blog.csdn.net/jiangjunshow

??????????????? <!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=gb2312">

<title>?ㄦ??娣诲??琛ㄦ?肩ず渚?</title>

<script language="javascript">

//[email?protected] 2005/11

//?ㄦ?????よ????芥?拌?娌℃??瀹?????娉ㄦ?? innerHTML???㈢???т欢浠ｇ??灞??ц??肩???跺??涓?瑕?浣跨?ㄥ???

function addLine(){

?? ?var newLine = planTable.rows.length;

?? ?var row = planTable.insertRow(newLine);?? ??? ?

?? ?var col = row.insertCell(0);?? ?

?? ?col.innerHTML = "<input type=checkbox name = chk" + newLine + ">";

?? ?col = row.insertCell(1);

?? ?col.innerHTML = "<input type=text size=8>";

?? ?col = row.insertCell(2);

?? ?col.innerHTML = "<select name=object><option value=1>杞?浠堕」??1</option><option value=2>杞?浠堕」??2</option></select>";

?? ?col = row.insertCell(3);

?? ??? ?col.innerHTML = "<select name=select><option value=1>璁″??缂???</option><option value=2>璁″??缂???</option></select>";

?? ?col = row.insertCell(4);

?? ?col.innerHTML = "<textarea name=textarea cols='40'></textarea>";

?? ?return newLine;

}

function keyDwonEvent(){

?? ?//alert(event.keyCode);

?? ?var newLine;

?? ?var txt;

?? ?if (event.keyCode == 13&&event.ctrlKey) {

?? ??? ?newLine = addLine();

?? ?}

?? ?

}

function delLine(){

?? ?var i;

?? ?var count;

?? ?count = planTable.rows.length;

?? ?if(count>2){

?? ?planTable.deleteRow(planTable.rows.length-1)

?? ??? ?for(i=0;i<count-1;i++){

?? ??? ??? ?//if(document.chk[i].checked){

?? ??? ??? ??? ?//alert("aa");

?? ??? ??? ?//}

?? ??? ?}

?? ?}

}

</script>

</head>

<body>

<center>

<table width="80%" align="center">

<tr align="center" valign="top">

<td height="37" colspan="9"><h2 align="center">?ュ伐浣?璁″???ュ????</h2></td>

</tr>

<tr>

<td>

</td>

</tr>

<tr>

? <td height="30">&nbsp;</td>

? <td width="15%">濉?琛ㄤ汉: </td>

? <td width="15%"><input name="text2" type="text" disabled value="????1" size="10"></td>

? <td width="1%">&nbsp;</td>

? <td width="21%">&nbsp;</td>

? <td>&nbsp;</td>

? <td><input name="button" type="button" onClick="addLine()" value="?板?璁″??椤?></td>

? <td><input name="button2" type="button" onClick="delLine()" value="???よ?″??椤?></td>

? <td><input name="button3" type="button" value="??浜よ?″???ヨ〃"></td>

</tr>

<tr>

<td width="6%" height="19">&nbsp;

? </td>

<td colspan="4"><font? size="-1"color="#FF0000">娉?璧锋?㈡?堕?存??璇锋????HH:SS-HH:SS ?煎?杈???lt;/font></td>

<td width="6%">&nbsp;</td>

<td width="11%">&nbsp;</td>

<td width="11%">&nbsp;</td>

<td width="14%">&nbsp;</td>

</tr>

<tr><td colspan="9">

</td>

<tr>

<td height="302" valign="top" colspan="9">

<table align="center" width="100%" cellpadding="1" cellspacing="0">

? <tr valign="top">

? ?? ?<td height="258">

?? ?? <table align="center" width="100%" id="planTable" cellpadding="1" cellspacing="0">

?? ??? ?<tr align="center" bgcolor="#66CCCC" onMouseOver="">

?? ??? ?? <td width="6%">????lt;/td>

?? ??? ?? <td width="17%">璧锋?㈡?堕??lt;/td>

?? ??? ??? ?<td width="15%">???╅」??:</td>

?? ??? ??? ?<td width="15%">椤圭??璁″??</td>

?? ??? ??? ?<td width="47%">宸ヤ?璁″????瀹?lt;/td>

?? ??? ??? ?</tr>

?? ??? ?<tr align="center">

?? ??? ?? <td ><input type="checkbox" name="chk0"> </td>

?? ??? ?? <td ><input name="text" type="text" size="8"></td>

?? ??? ?? <td ><select name="object">

??????????? <option value="1">杞?浠堕」??1</option>

??????????? <option value="1">杞?浠堕」??2</option>

????????? </select></td>

?? ??? ?? <td ><select name="select">

??????????? <option value="">璁″??缂???</option>

??????????? <option value="">璁″??缂???</option>

????????? </select></td>

?? ??? ?? <td> <textarea name="textarea" cols="40" onKeyDown="keyDwonEvent()"></textarea></td>

?? ??? ?? </tr>

?? ?</table>?? ?</td>

? </tr>

</table></td>

</tr>

</table>

</center>

</body>

</html>

???????????

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