C# 上传附件 --类似CSDN一样
效果：
http://u.download.csdn.net/upload →选择文件上传 我需要点击button 弹出浏览窗口 而不是用<input id="txt_userfile" name="txt_userfile" type="file">这种标签！
大虾们帮帮忙 急用！！！！
效果：
http://u.download.csdn.net/upload →选择文件上传 我需要点击button 弹出浏览窗口 而不是用<input id="txt_userfile" name="txt_userfile" type="file">这种标签！
大虾们帮帮忙 急用！！！！
.MultiFile-applied {
cursor: pointer;
outline: medium none;
vertical-align: middle;
position:absolute;
top:0;
left:0;
width:50px;
height:50px;
z-index:99;
filter:alpha(opacity=0);
-moz-opacity:0;
-khtml-opacity: 0;
opacity: 0;
}
.MultiFile-wrap {
/*background: url("/sysImages/work/upload.gif") no-repeat scroll 0 0 transparent;*/
display: block;
outline: medium none;
position:relative;
cursor:pointer;
}
</style>
<a id="uploads_wrap" class="MultiFile-wrap">
<img src="/sysImages/work/upload.gif" width="30" height="30" />
<iframe src="flow_upload.aspx?no-cache=<%= DateTime.Now.ToString() %>" class="MultiFile-applied" scrolling="no" frameborder="0"></iframe>
</a>
导入flow_upload.aspx
<%@ Page Language="C#" EnableEventValidation="false" AutoEventWireup="true" CodeBehind="flow_upload.aspx.cs" Inherits="Galsun.HH.FCX.Web.manage.flow.flow_upload" %><!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">
<head runat="server">
<title></title>
<style>
body
{
padding:0px; margin:0px;
}
.MultiFile-applied {
cursor: pointer;
font-size: 40px;
margin-left: -450px;
}
</style>
</head>
<script src="/Scripts/jquery-1.4.1.js"></script>
<body>
<script>
function StarImport(num) {
parent.Import(num);
}
function showError(error) {
parent.showError(error);
}
</script>
<form id="form1" runat="server">
<div style="width:50px; height:50px; overflow:hidden;">
<asp:FileUpload ID="FileUpload1" runat="server" CssClass="MultiFile-applied" />
</div>
<div style="display:none"><asp:LinkButton ID="bnt_upload" runat="server" onclick="bnt_upload_Click">LinkButton</asp:LinkButton></div>
</form>
<script>
document.getElementById("FileUpload1").onchange = function () {
if (this.value != "") {
parent.UpdateFileing();
__doPostBack('bnt_upload', 'Click');
}
}
</script>
</body>
</html>
然后再把透明度设为0,让他浮动到图片之上