文件上传(asp.net)

// aspx

<form id="form1" runat="server">
   
    <asp:FileUpload ID="FileUpload1" runat="server" ontenteditable="false" autocomplete="off" />
   
    <asp:FileUpload ID="FileUpload2" runat="server" ontenteditable="false" autocomplete="off" />
    
    <asp:Button ID="btnAdd" runat="server" Text="upload" OnClick="BtnAdd_Click" />
    </form>

========================================

// Click事件

protected void BtnAdd_Click(object sender, EventArgs e)
    {
        HttpFileCollection files = HttpContext.Current.Request.Files;
        string fileName1 = string.Empty;
        for (int iFile = 0; iFile < files.Count; iFile++)
        {
            HttpPostedFile postedFile = files[iFile];
            string fileExtension;
            fileName1 = System.IO.Path.GetFileName(postedFile.FileName);
            if (fileName1 != string.Empty)
            {
                fileExtension = System.IO.Path.GetExtension(fileName1);

                fileName1 += DateTime.Now.ToString("yyMMddHHmmssfff");

                postedFile.SaveAs(Server.MapPath("../upload/").ToString()

                                                               +  fileName1 +  fileExtension);
            }
        }
    }

// 当前目录下有个upload文件夹 例如一个上传的文件为"TestMail.java090407150217128.java"