<html>
<head>
<script type="text/javascript">
function addMyRow(){
var mytable = document.getElementById("mybody");
var len=mytable.rows.length;
var i=len-1;
var mytr = mytable.insertRow(len);
mytr.setAttribute("id","tr"+i);
var mytd_1=mytr.insertCell(0);
mytd_1.align='center';
//mytd_1.setAttribute("class","index");
var mytd_2=mytr.insertCell(1);
var mytd_3=mytr.insertCell(2);
var mytd_4=mytr.insertCell(3);
var mytd_5=mytr.insertCell(4);
mytd_1.innerHTML=len;
mytd_2.innerHTML="<input type='text' id='name"+i+"'"+" name='name"+i+"'/>";
mytd_3.innerHTML="<input type='text' id='area"+i+"' name='area"+i+"'/>";
mytd_4.innerHTML="<input type='text' id='qty"+i+"' name='qty"+i+"'/>";
mytd_5.innerHTML="<a href='#;return false;' onclick='delMyRow("+i+")'><font color='#FF9933'>删除</font></a>";
}
// <!--删除当前行,然后实现重排序-->
function delMyRow(j){
var mytable = document.getElementById("mybody");
var len=mytable.rows.length;
var myrow = document.getElementById("tr"+j);
if(document.getElementById('name'+j).value!=''){
if(window.confirm('确定删除这条数据吗？')){
mytable.deleteRow(myrow.rowIndex);
}else{ return false;}
}else{
mytable.deleteRow(myrow.rowIndex);
}
//<!--如果不是删除最后一行，先将后面行输入的数据保存-->
if(j<len-2){
var name=new Array([len-j-2]);
var area=new Array([len-j-2]);
var qty=new Array([len-j-2]);
var k=0;
for(var i=j+1;i<=len-2;i++){
name[k]=document.getElementById('name'+i).value;
area[k]=document.getElementById('area'+i).value;
qty[k]=document.getElementById('qty'+i).value;
mytable.deleteRow(document.getElementById("tr"+i).rowIndex);
k++;
}
// <!--删除以后重排序。-->
var h=j;
for(var i=0;i<len-2-j;i++){
addMyRow();
document.getElementById('name'+h).value=name[i];
document.getElementById('area'+h).value=area[i];
document.getElementById('qty'+h).value=qty[i];
h++;
}
}
}
</script>
</head>
<body>
<center>
<input type="button" value="增加一行" onclick="addMyRow()"/>
<table width="100%" id="mybody" style="color: #FF9933; border-collapse: collapse;" border="1" bordercolor="#FF9933">
<tr>
<td class="index" align="center">序号</td>
<td class="name" align="center">名称</td>
<td class="area" align="center">展区</td>
<td class="qty" align="center">展位数</td>
<td class="operation" align="center">操作</td>
</tr>
<tr id="tr0">
<td align="center" class="index">1</td>
<!-- 名称 -->
<td><input type="text" id="name0" name="name0" class="name" /></td>
<!-- 展区 --> <td><input type="text" id="area0" name="area0" class="area"/></td>
<!-- 展位数 -->
<td><input type="text" id="qty0" name="qty0" class="qty" /></td>
<!--操作-->
<td class="operation" align=center><a href="#;return false;" onclick="delMyRow(0)">删除</a></td>
</tr>
</table>
<center>
</body>
</html>
