<script type="text/javascript" src="js/jquery1.7.js"></script>
<script type=
"text/javascript"
>
$(
function
() {
var
show_count = 20;
//要显示的条数
var
count = 1;
//递增的开始值，这里是你的ID
$(
"#btn_addtr"
).click(
function
() {
var
length = $(
"#dynamicTable tbody tr"
).length;
//alert(length);
if
(length < show_count)
//点击时候，如果当前的数字小于递增结束的条件
{
$(
"#tab11 tbody tr"
).clone().appendTo(
"#dynamicTable tbody"
);
//在表格后面添加一行
changeIndex();
//更新行号
}
});
});
function
changeIndex() {
var
i = 1;
$(
"#dynamicTable tbody tr"
).each(
function
() {
//循环tab tbody下的tr
$(
this
).find(
"input[name='NO']"
).val(i++);
//更新行号
});
}
function
deltr(opp) {
var
length = $(
"#dynamicTable tbody tr"
).length;
//alert(length);
if
(length <= 1) {
alert(
"至少保留一行"
);
}
else
{
$(opp).parent().parent().remove();
//移除当前行
changeIndex();
}
}
</script>
<div style="width:720px;margin:20px auto;">
<table id="tab11" style="display: none">
<tbody>
<tr>
<td height="30" align="center">
<input type="text" name="NO" size="2" value="1" />
</td>
<td align="center">
<input type="text" name="start_end_time" />
</td>
<td align="center">
<input type="text" name="unit_department" />
</td>
<td align="center">
<input type="text" name="post" />
</td>
<td>
<input type="button" id="Button1" onclick="deltr(this)" value="删行">
</td>
</tr>
</tbody>
</table>
<input type="button" id="btn_addtr" value="增行">
<table id="dynamicTable" width="700" border="0" cellspacing="0" cellpadding="0">
<thead>
<tr>
<td height="30" align="center" bgcolor="#CCCCCC">ID</td>
<td align="center" bgcolor="#CCCCCC">时间</td>
<td align="center" bgcolor="#CCCCCC">部门</td>
<td align="center" bgcolor="#CCCCCC">职位</td>
<td></td>
</tr>
</thead>
<tbody>
<tr>
<td height="30" align="center">
<input type="text" name="NO" size="2" value="1" />
</td>
<td align="center">
<input type="text" name="start_end_time" />
</td>
<td align="center">
<input type="text" name="unit_department" />
</td>
<td align="center">
<input type="text" name="post" />
</td>
<td>
<input type="button" id="Button2" onclick="deltr(this)" value="删行">
</td>
</tr>
</tbody>
</table>
</div>