<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>多文件上传 </title> <script language="Javascript">
var i = 0;
function addFile()
{
i++;
if ( i >=5 )
return false
else
var str = '<INPUT type="file" size="30" NAME="File"><br>'
document.getElementById('MyFile').insertAdjacentHTML("beforeEnd",str)
}
</script>
<link href="../Css/user.css" rel="stylesheet" type="text/css" /></head>
<body>
<form id="form1" method="post" runat="server" enctype="multipart/form-data">
<div align="center">
<br />
<table>
<tr>
<td style="width: 138px">
选择相册：</td>
<td style="width: 200px">
<asp:DropDownList ID="DropDownList1" runat="server">
</asp:DropDownList></td>
</tr>
<tr>
<td colspan="2">
<hr />
</td>
</tr>
<tr>
<td colspan="2" style="text-align: center">
批量上传图片(限制5张/次)：</td>
</tr>
<tr>
<td colspan="2">
<p id="MyFile" style="width: 30px">
<input type="file" name="File" size="30"></p>
</td>
</tr>
<tr>
<td colspan="2">
<input type="button" value="增加(Add)" onclick="addFile()" id="Button1"><input onclick="this.form.reset()"
type="button" value="重置(ReSet)"><asp:Button runat="server" Text="开始上传" ID="UploadButton"
OnClick="UploadButton_Click"></asp:Button></td>
</tr>
</table>
<p>
<asp:Label ID="strStatus" runat="server" Font-Names="宋体" Font-Bold="True" Font-Size="9pt"
Width="500px" BorderStyle="None" BorderColor="White"> </asp:Label>
</p>
</div>
</form>
</body>
</html>寻求解决办法。。
/*兼容的在节点位置插入HTML代码的函数
*where：插入在哪里,BeforeBegin表示插入在标签之前，AfterBegin表示插入在标签之后，BeforeEnd表示在标签结束前，AfterEnd表示在标签结束后
* el：需要操作的节点
* html：需要插入的HTML代码
*/
function insertHtml(where, el, html)
{
where = where.toLowerCase();
//IE
if(el.insertAdjacentHTML)
{
switch(where)
{
case "beforebegin":
el.insertAdjacentHTML('BeforeBegin', html);
return el.previousSibling;
case "afterbegin":
el.insertAdjacentHTML('AfterBegin', html);
return el.firstChild;
case "beforeend":
el.insertAdjacentHTML('BeforeEnd', html);
return el.lastChild;
case "afterend":
el.insertAdjacentHTML('AfterEnd', html);
return el.nextSibling;
}
throw '无效的位置"' + where + '"';
}
//Fifefox
var range = el.ownerDocument.createRange();
var frag;
switch(where)
{
case "beforebegin":
range.setStartBefore(el);
frag = range.createContextualFragment(html);
el.parentNode.insertBefore(frag, el);
return el.previousSibling;
case "afterbegin":
if(el.firstChild){
range.setStartBefore(el.firstChild);
frag = range.createContextualFragment(html);
el.insertBefore(frag, el.firstChild);
return el.firstChild;
}else{
el.innerHTML = html;
return el.firstChild;
}
case "beforeend":
if(el.lastChild){
range.setStartAfter(el.lastChild);
frag = range.createContextualFragment(html);
el.appendChild(frag);
return el.lastChild;
}else{
el.innerHTML = html;
return el.lastChild;
}
case "afterend":
range.setStartAfter(el);
frag = range.createContextualFragment(html);
el.parentNode.insertBefore(frag, el.nextSibling);
return el.nextSibling;
}
throw '无效的位置"' + where + '"';
}
//交换两个节点的位置
function swapElement(id_1,id_2)
{
var insert = function(nodeInsert,nodeTo){
if(nodeInsert.insertAdjacentElement)
{
nodeTo.insertAdjacentElement('beforeBegin',nodeInsert);
}
else
{
nodeTo.parentNode.insertBefore(nodeInsert,nodeTo);
}
}
var tempObj= document.createElement("a");
var t1 = document.getElementById(id_1);
var t2 = document.getElementById(id_2);
insert(tempObj,t2);
insert(t2,t1);
insert(t1,tempObj);
document.body.removeChild(tempObj);
}
function(){//insertAdjacentHTML by BlueDestiny ^_^
if(document.body.insertAdjacentHTML){return;}
HTMLElement.prototype.insertAdjacentHTML = function(sWhere, sHTML){
var df = null,r = this.ownerDocument.createRange();
switch (String(sWhere).toLowerCase()) {
case "beforebegin":
r.setStartBefore(this);
df = r.createContextualFragment(sHTML);
this.parentNode.insertBefore(df, this);
break;
case "afterbegin":
r.selectNodeContents(this);
r.collapse(true);
df = r.createContextualFragment(sHTML);
this.insertBefore(df, this.firstChild);
break;
case "beforeend":
r.selectNodeContents(this);
r.collapse(false);
df = r.createContextualFragment(sHTML);
this.appendChild(df);
break;
case "afterend":
r.setStartAfter(this);
df = r.createContextualFragment(sHTML);
this.parentNode.insertBefore(df, this.nextSibling);
break;
}
};
}();
<script language="Javascript">
var i = 0;
function addFile()
{
i++;
if ( i >=5 )
return false
else
{
var input = document.createElement("input");
var br = document.createElement("br");
input.setAttribute("type","file");
input.setAttribute("size","30");
input.setAttribute("NAME","File");
document.getElementById("MyFile").appendChild(input);
document.getElementById("MyFile").appendChild(br);
}
}
</script>