<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.9.1.min.js"></script>
<table border="1" id="tb">
<tr><td>姓名</td><td><input type="text" /></td><td><input type="text" /></td><td><input type="text" /></td><td><input type="text" /></td><td><input type="button" value="+" /> <input type="button" value="获取" /></td></tr>
</table>
<script>
function btnClick() {
var clone = this.value == '+', del = this.value == '-',tr=$(this).closest('tr'),ntr;
if (clone) {
ntr = tr.clone(true);
ntr.find('input[type="button"]:eq(0)').val('-');
ntr.appendTo(tr.parent());
}
else if (del) tr.remove();
else alert(tr.find('input[type="text"]').map(function () {return this.value }).get().join('\n'));
}
$('#tb input[type="button"]').click(btnClick);
</script>