我有一个包含多个相同字段的表单,例如:QTY Part Number Manufacture Price 和下面这些将是 5 行,我想将其减少到 1 行并让用户可以选择添加具有多列的附加行,如果他们需要。这是必须用 JavaScript 完成的事情吗?我可以有一个小按钮之类的东西,点击这里添加一个额外的行吗?
我试过了,但它没有添加任何字段:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<link href="/style.css" rel="stylesheet" type="text/css" />
<title>More form fields</title>
<script type="text/javascript">
FUNCTION addRowToTable()
{
VAR tbl = document.getElementById('tblAddress');
VAR lastRow = tbl.rows.length;
// if there's no header row in the table, then iteration = lastRow + 1
VAR iteration = lastRow;
// var iteration = lastRow + 1;
VAR row = tbl.insertRow(lastRow);
// cell 0
VAR cell0 = row.insertCell(0);
VAR el = document.createElement('input');
el.type = 'text';
el.NAME = 'Address[]';
el.size = 30;
cell0.appendChild(el);
//cell 1
VAR cell1 = row.insertCell(1);
VAR el = document.createElement('input');
el.type = 'text';
el.NAME = 'City[]';
el.size = 10;
cell1.appendChild(el);
//cell 2
VAR cell2 = row.insertCell(2);
VAR el = document.createElement('input');
el.type = 'text';
el.NAME = 'State[]';
el.size = 2;
cell2.appendChild(el);
//cell 3
VAR cell3 = row.insertCell(3);
VAR el = document.createElement('input');
el.type = 'text';
el.NAME = 'Zip[]';
el.size = 5;
cell3.appendChild(el);
}
</script>
</head>
<body>
<h3>Dynamic add form fields</h3>
<form action="Untitled-2.php" name="h" method="post">
<table id="tblAddress">
<tr>
<td class="txtBase">Address</td>
<td class="txtBase">City</td>
<td class="txtBase">State</td>
<td class="txtBase">Zip</td>
</tr>
<tr>
<td><input name="Address[]" type="text" size="30" maxlength="255"></td>
<td><input name="City[]" type="text" size="10" maxlength="255"></td>
<td><input name="State[]" type="text" size="2" maxlength="10"></td>
<td><input name="Zip[]" type="text" size="5" maxlength="25"></td>
</tr>
</table>
<input type="button" name="Add" value="Add" onClick="addRowToTable();"/>
<input type="submit" name="Submit" value="Submit" />
</form>
</body>
</html>