前台批量上传文件.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="批量上传文件.aspx.cs" Inherits="批量上传文件" %> <!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 id="Head1" runat="server"> <title>批量上传文件</title> </head> <body> <form id="form1" runat="server"> <div style="300px; margin:50px auto;"> <asp:Label ID="LblMessage" runat="server" Width="300px" ForeColor="#FF0033" Font-Bold="True" Font-Size="Small" /> <table border="1" bordercolor="gray" style="border-collapse: collapse;"> <tr> <td style="text-align: center; font-size:10pt; font-weight:bold; color:DimGray;"> 批量上传文件 </td> </tr> <tr> <td> <asp:Panel ID="Pan_UpFile" runat="server" Height="200px" ScrollBars="Auto" Width="250px"> <table id="Tab_UpDownFile" runat="server" cellpadding="0" cellspacing="0" enableviewstate="true"> <tr> <td style=" 100px; height: 30px"> <asp:FileUpload ID="FileUpload1" runat="server"/> </td> </tr> </table> </asp:Panel> </td> </tr> <tr> <td> <asp:Button ID="BtnAdd" runat="server" Text="添加文件" OnClick="BtnAdd_Click" BorderColor="Gray" BorderWidth="1px" /> <asp:Button ID="BtnUpFile" runat="server" OnClick="BtnUpFile_Click" Text="上传文件" BorderColor="Gray" BorderWidth="1px" /> </td> </tr> </table> </div> </form> </body> </html>
后台批量上传文件.aspx.cs
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Collections; using System.Web.UI.HtmlControls; public partial class 批量上传文件 : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { SFUPC(); } } #region 该方法是将页面中的上传文件的控件保存到session中 private void SFUPC() { //声明一个ArrayList用于存放上传文件的控件 ArrayList AL = new ArrayList(); foreach (Control C in this.Tab_UpDownFile.Controls) { if (C.GetType().ToString() == "System.Web.UI.HtmlControls.HtmlTableRow") { HtmlTableCell HTC = (HtmlTableCell) C.Controls[0]; foreach (Control FUC in HTC.Controls) { if (FUC.GetType().ToString() == "System.Web.UI.WebControls.FileUpload") { FileUpload FU = (FileUpload)FUC; FU.BorderColor = System.Drawing.Color.DimGray; FU.BorderWidth = 1; AL.Add(FU); } } } } Session.Add("FilesControls", AL); } #endregion #region 该方法用于添加一个上传文件的控件 private void InsertC() { //实例化一个ArrayList ArrayList AL = new ArrayList(); //清除表里的所有行 this.Tab_UpDownFile.Rows.Clear(); //获得Session里存放的上传文件的控件 GetInfo(); //实例化表格的行 HtmlTableRow HTR = new HtmlTableRow(); //实例化表格的列 HtmlTableCell HTC = new HtmlTableCell(); //向列里添加上传控件 HTC.Controls.Add(new FileUpload()); HTR.Controls.Add(HTC); this.Tab_UpDownFile.Rows.Add(HTR); SFUPC(); } #endregion #region 该方法将session中的上传控件集添加的表格中 private void GetInfo() { ArrayList AL = new ArrayList(); if (Session["FilesControls"] != null) { AL=(ArrayList)Session["FilesControls"]; foreach (FileUpload FU in AL) { HtmlTableRow HTR = new HtmlTableRow(); HtmlTableCell HTC = new HtmlTableCell(); HTC.Controls.Add(FU); HTR.Controls.Add(HTC); this.Tab_UpDownFile.Rows.Add(HTR); } } } #endregion #region 该方法用于执行文件上传操作 private void UpFile() { //获取文件夹路径 string filepath = Server.MapPath("./") + "UpFile"; //获取客服端上载文件的集合 HttpFileCollection HFC = Request.Files; for (int i = 0; i < HFC.Count; i++) { HttpPostedFile UserHPF =(HttpPostedFile) HFC[i]; try { if (UserHPF.ContentLength > 0) { UserHPF.SaveAs(filepath+"\\"+System.IO.Path.GetFileName(UserHPF.FileName)); } }catch { this.LblMessage.Text="上传失败！"; } } if(Session["FilesControls"]!=null) { Session.Remove("FILEsCOntrols"); } this.LblMessage.Text="上传成功！"; } #endregion protected void BtnAdd_Click(object sender, EventArgs e) { InsertC(); this.LblMessage.Text = ""; } protected void BtnUpFile_Click(object sender, EventArgs e) { if (this.FileUpload1.PostedFile.FileName != null) { UpFile(); SFUPC(); } else { this.LblMessage.Text = "对不起！上传文件不能为空"; } } }
效果图:
