多文件上传

参考
http://www.cnblogs.com/Dragon-China/archive/2007/07/13/817393.html
http://www.cnblogs.com/homer/archive/2008/01/04/1025984.html
http://www.cnblogs.com/Fooo/archive/2006/11/07/553104.html
http://www.cnblogs.com/wengjinbao/archive/2007/06/19/788639.html

to ershou007 :一次多选的老大 slickupload 收费的？？官方站全是en文，免费的版本找晕了！
希望能给份！

我汗 slickupload 的demo使用了它也是不能多选的.....

http://www.cnblogs.com/cloudgamer/archive/2008/10/20/1314766.html

好像fileupload这个控件可以吧,,,

http://www.cnblogs.com/cloudgamer/archive/2008/10/20/1314766.html
肯定有楼主需要的

仔细看demo,里面有multiple上传的。

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="UpLoad.aspx.cs" Inherits="UpLoad" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>
    <head>
        <title>多文件上传</title>
        <script type="text/javascript" language="javascript">
            function addFile()
                {
                    var str = '<INPUT type="file" size="50" NAME="File" ></br>' ;
                    document.getElementById('MyFile').insertAdjacentHTML("beforeEnd",str);
                }             function forReset()
                {
                    var files=document.getElementsByName("File");
                    for(var j=0; j<files.length; j++)
                    {
                        files[j].outerHTML=files[j].outerHTML.replace(/value=\w/g,'');
                    }
                }
        </script>
    </head>
    <body>
        <form id="form1" method="post" runat="server" enctype="multipart/form-data">
            <div align="center">
                <asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
                <asp:UpdatePanel ID="UpdatePanel1" runat="server">
                    <ContentTemplate>
                        <div>
                            <p>
                                <asp:TextBox runat="server" ID="txtName"></asp:TextBox>
                            </p>
                            <p>
                                <asp:DropDownList ID="ddlAction" runat="server" AutoPostBack="true"
                                    onselectedindexchanged="ddlAction_SelectedIndexChanged" >
                                    <asp:ListItem Value="true"></asp:ListItem>
                                    <asp:ListItem Value="false"></asp:ListItem></asp:DropDownList>
                            </p>
                            <p>
                                <asp:RadioButton ID="radYes" runat="server" GroupName="groupName1"/>
                                <asp:RadioButton ID="radNo" runat="server" GroupName="groupName1"/>
                            </p>
                        </div>
                        <div>

                        <p id="MyFile"><input type="file" size="50" name="File" /><br/></p>
                        <p>
                            <input type="button" value="增加(Add)" onclick="addFile()"/>
                            <input onclick="forReset()" type="button" value="重置(ReSet)"/>
                            <asp:Button Runat="server" Text="开始上传" ID="UploadButton"></asp:Button>
                        </p>
                        <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>
                        <p>
                            <asp:Calendar ID="Calendar1" runat="server"></asp:Calendar>
                        </p>
                        </div>
                    </ContentTemplate>
                    <Triggers>
                        <asp:AsyncPostBackTrigger ControlID="UploadButton" EventName="Click" />
                    </Triggers>
                </asp:UpdatePanel>
            </div>
        </form>
    </body>
</html> using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Drawing;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;public partial class UpLoad : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (this.IsPostBack)
        {
            radNo.Checked = true;
            this.SaveImages();
            ddlAction_SelectedIndexChanged(sender, e);
        }
    }    private Boolean SaveImages()
    {
        ///'遍历File表单元素
        HttpFileCollection files = HttpContext.Current.Request.Files;        /// '状态信息
        System.Text.StringBuilder strMsg = new System.Text.StringBuilder();
        strMsg.Append("上传的文件分别是：<hr color=red>");
        try
        {
            for (int iFile = 0; iFile < files.Count; iFile++)
            {
                ///'检查文件扩展名字
                HttpPostedFile postedFile = files[iFile];
                string fileName, fileExtension;
                fileName = System.IO.Path.GetFileName(postedFile.FileName);
                if (fileName != "")
                {
                    fileExtension = System.IO.Path.GetExtension(fileName);
                    strMsg.Append("上传的文件类型：" + postedFile.ContentType.ToString() + "<br>");
                    strMsg.Append("客户端文件地址：" + postedFile.FileName + "<br>");
                    strMsg.Append("上传文件的文件名：" + fileName + "<br>");
                    strMsg.Append("上传文件的扩展名：" + fileExtension + "<br><hr>");
                    ///'可根据扩展名字的不同保存到不同的文件夹
                    ///注意：可能要修改你的文件夹的匿名写入权限。
                    postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath("images/") + fileName);
                }
            }
            strStatus.Text = strMsg.ToString();
            return true;
        }
        catch (System.Exception Ex)
        {
            strStatus.Text = Ex.Message;
            return false;
        }
    }    protected void ddlAction_SelectedIndexChanged(object sender, EventArgs e)
    {
        radYes.Checked = System.Convert.ToBoolean(ddlAction.SelectedItem.Value);
        radNo.Checked = !(radYes.Checked);
        txtName.Text = ddlAction.SelectedItem.Value;
    }
}

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.IO;namespace WebApplication1
{
    public partial class uploadDemo : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {        }        protected void btnUpload_Click(object sender, EventArgs e)
        {
            HttpFileCollection fileToUpload = Request.Files;
            foreach (string keyName in fileToUpload.AllKeys)
            {
                HttpPostedFile file = fileToUpload[keyName];
                if (file.FileName == string.Empty)
                    return;
                try
                {
                    string path = Server.MapPath("Images") + @"\" + Path.GetFileName(file.FileName);
                    using (FileStream writer = new FileStream(path, FileMode.Create, FileAccess.Write))
                    {
                        int bufferSize = 4096 * 10;
                        byte[] buffer = new byte[bufferSize];
                        int len = 1;
                        while (len != 0)
                        {
                            len = file.InputStream.Read(buffer, 0, bufferSize);
                            writer.Write(buffer, 0, len);
                        }
                    }
                }
                catch
                {
                    throw new Exception();
                }
            }
        }
    }
}
=========================================================================================
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="uploadDemo.aspx.cs" Inherits="WebApplication1.uploadDemo" %><!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>Upload Page</title>    <script type="text/javascript">
        function $(id)
        {
            return document.getElementById(id);
        }

        function stripPath(name)
        {
            var pieces = name.split("\\");
            return pieces[pieces.length-1];
        }        function uploadfileOperator(n)
        {
            var currentFile = $('file' + n);
            var newFile = document.createElement('input');
            newFile.id = 'file' + (n + 1);
            newFile.name = 'file' + (n + 1);
            newFile.type = 'file';
            newFile.size = currentFile.size;
            newFile.onchange = function(){uploadfileOperator(n + 1);}

            var newItem = document.createElement('option');
            newItem.value = stripPath(currentFile.value);
            newItem.id = 'item' + n;
            newItem.name = 'item' + n;
            newItem.appendChild(document.createTextNode(currentFile.value));
            $('sellist').appendChild(newItem);

            currentFile.style.display = 'none';
            $('fileFolder').appendChild(newFile);
        }
    </script></head>
<body>
    <form id="form1" runat="server" enctype="multipart/form-data">
    <div id="dvupload">
        <span id="fileFolder">
            <input type="file" onchange="uploadfileOperator(0)" id="file0" name="file0" />
        </span>
    </div>
    <div id="dvlist">
        <select id="sellist" style="width:100px" size="6">
        </select>
    </div>
    <div>
        <asp:Button ID="btnUpload" Text="UpLoad" runat="server" onclick="btnUpload_Click" />
    </div>
    </form>
</body>
</html>
=========================================================
microsoft function

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