<%@ Import Namespace="System.IO" %> <%@ page Language="C#" debug="true" %> <html>
<head> <title>文件上傳的實例</title>
<script language="C#" runat="server"> //This method is called when the "upload" button id pressed public void UploadFile(object sender , EventArgs E) { HttpFileCollection myFile = HttpContext.Current.Request.Files; for(int i=0; i<myFile.Count; i++) { HttpPostedFile postedFile = myFile[i]; if(postedFile.ContentLength != 0) { string fileName = Path.GetFileName(postedFile.FileName); DateTime now = DateTime.Now; string nowtime=now.Year.ToString()+now.Month.ToString()+now.Day.ToString()+now.Hour.ToString()+now.Minute.ToString()+now.Second.ToString(); //獲得文件名擴展 string fileExtension = System.IO.Path.GetExtension(fileName); //保存文件到你所要的目錄,這裏是IIS根目錄下的upfiles目錄.你可以改變. //注意: 我這裏用Server.MapPath()取當前文件的絕對目錄.在asp.net裏"/"必須用"//"代替 postedFile.SaveAs(Server.MapPath("~//upfiles//"+nowtime+fileName)); //postedFile.SaveAs(Request.MapPath("upFiles/") +nowtime+fileName); //得到這個文件的相關屬性：文件名，文件類型，文件大小 fname.Text=postedFile.FileName; fenc.Text=postedFile.ContentType+"<br>"+fileExtension; fsize.Text=postedFile.ContentLength.ToString()+"<br>"+nowtime.ToString(); } } } </script>
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<h3 align="center">文件上傳的實例 </h3> <div align="center"> <table border="1" cellspacing="2" cellpadding="2"> <form id="uploderform" method="post" action="FileUpload.aspx" enctype="multipart/form-data" runat="server"> <tr> <td><h5 align="center">選擇要上傳的文件：</h5></td> </tr> <tr> <td><input type="file" id="myFile" name="myFile"></td> </tr> <tr> <td><input type="file" id="File1" name="myFile"></td> </tr> <tr> <td><input type="file" id="File2" name="myFile"></td> </tr> <tr> <td><input type="button" value="上 傳" onserverclick="UploadFile" runat="server" id="Button1" name="Button1"></td> </tr> </form> </table> </div> <br> <br> <div align="center"> <table border="1" cellspacing="2"> <tr> <td><b>文件資料</b></td> <td> </td> </tr> <tr> <td>文件名</td> <td><asp:Label ID="fname" Text="" runat="server" /></td> </tr> <tr> <td>文件類型</td> <td><asp:Label ID="fenc" runat="server" /></td> </tr> <tr> <td>文件大小(in bytes)</td> <td><asp:Label ID="fsize" runat="server" /></td> </tr> </table> </div>
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="upFiles_Default2" %>
<!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>無標題頁</title> </head> <body> <form id="form1" runat="server"> <div> <asp:Panel ID="Panel1" runat="server" Height="171px" Width="356px"> <asp:FileUpload ID="FileUpload1" runat="server" Width="273px" /><br /> </asp:Panel> </div> <asp:TextBox ID="TextBox1" runat="server" Width="93px"></asp:TextBox> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="增加" /> <asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="上傳" /> </form> </body> </html>
using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using System.IO;
public partial class upFiles_Default2 : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) {
} protected void Button1_Click(object sender, EventArgs e) { FileUpload fu;
for (int i = 0; i < Convert.ToInt32(TextBox1.Text); i++) { fu = new FileUpload(); fu.ID = "fu" + i.ToString(); Panel1.Controls.Add(fu); } } protected void Button2_Click(object sender, EventArgs e) { string f_name, f_size, f_type;//聲明變量
HttpFileCollection hfc = Request.Files; //獲取客戶端文件集合
for (int i = 0; i < hfc.Count; i++) { //循環集合 HttpPostedFile hpf= hfc[i]; f_name = Path.GetFileName(hpf.FileName); f_size = hpf.ContentLength.ToString(); f_type = hpf.ContentType; hpf.SaveAs(Server.MapPath("~/up/")+f_name); Response.Write(f_name+"<br>"+f_size+"<br>"+f_type+"<br>"); }
} }