upload.aspx
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<%@ Page language="c#" Codebehind="UpLoad.aspx.cs" AutoEventWireup="false" Inherits="WebPortal.Upload"%>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
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<HTML>
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<HEAD>
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<title>多文件上传</title>
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<script language="JavaScript">
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function addFile()
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{
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var str = '<INPUT type="file" size="50" NAME="File">'
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document.getElementById('MyFile').insertAdjacentHTML("beforeEnd",str)
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}
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</script>
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</HEAD>
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<body>
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<form id="form1" method="post" runat="server" enctype="multipart/form-data">
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<div align="center">
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<h3>多文件上传</h3>
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<P id="MyFile"><INPUT type="file" size="50" NAME="File"></P>
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<P>
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<input type="button" value="增加(Add)" onclick="addFile()">
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<input onclick="this.form.reset()" type="button" value="重置(ReSet)">
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<asp:Button Runat="server" Text="开始上传" ID="UploadButton"></asp:Button>
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</P>
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<P>
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<asp:Label id="strStatus" runat="server" Font-Names="宋体" Font-Bold="True" Font-Size="9pt"
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Width="500px" BorderStyle="None" BorderColor="White"></asp:Label>
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</P>
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</div>
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</form>
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</body>
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</HTML>
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upload.aspx.cs
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using System;
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using System.Collections;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Web;
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using System.Web.SessionState;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.HtmlControls;
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namespace WebPortal
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{
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/// <summary>
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/// UpLoad 的摘要说明。
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/// 实现多文件上传
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/// </summary>
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public class Upload : System.Web.UI.Page
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{
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protected System.Web.UI.WebControls.Button UploadButton;
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protected System.Web.UI.WebControls.Label strStatus;
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private void Page_Load(object sender, System.EventArgs e)
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{
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/// 在此处放置用户代码以初始化页面
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if (this.IsPostBack) this.SaveImages();
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}
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private Boolean SaveImages()
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{
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///'遍历File表单元素
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HttpFileCollection files = HttpContext.Current.Request.Files;
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/// '状态信息
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System.Text.StringBuilder strMsg = new System.Text.StringBuilder();
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strMsg.Append("上传的文件分别是：<hr color=red>");
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try
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{
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for (int iFile = 0; iFile < files.Count; iFile++)
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{
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///'检查文件扩展名字
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HttpPostedFile postedFile = files[iFile];
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string fileName, fileExtension;
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fileName = System.IO.Path.GetFileName(postedFile.FileName);
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if (fileName != "")
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{
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fileExtension = System.IO.Path.GetExtension(fileName);
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strMsg.Append("上传的文件类型：" + postedFile.ContentType.ToString() + "<br/>");
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strMsg.Append("客户端文件地址：" + postedFile.FileName + "<br/>");
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strMsg.Append("上传文件的文件名：" + fileName + "<br/>");
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strMsg.Append("上传文件的扩展名：" + fileExtension + "<br/><hr>");
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///'可根据扩展名字的不同保存到不同的文件夹
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///注意：可能要修改你的文件夹的匿名写入权限。
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postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath("images/") + fileName);
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}
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}
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strStatus.Text = strMsg.ToString();
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return true;
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}
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catch (System.Exception Ex)
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{
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strStatus.Text = Ex.Message;
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return false;
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}
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}
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Web 窗体设计器生成的代码
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}
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}
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<%@ Page language="c#" Codebehind="UpLoad.aspx.cs" AutoEventWireup="false" Inherits="WebPortal.Upload"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" ><HTML> <HEAD> <title>多文件上传</title> <script language="JavaScript">
function addFile()
{ var str = '<INPUT type="file" size="50" NAME="File">' document.getElementById('MyFile').insertAdjacentHTML("beforeEnd",str)
}
</script> </HEAD> <body> <form id="form1" method="post" runat="server" enctype="multipart/form-data"> <div align="center"> <h3>多文件上传</h3> <P id="MyFile"><INPUT type="file" size="50" NAME="File"></P> <P> <input type="button" value="增加(Add)" onclick="addFile()"> <input onclick="this.form.reset()" 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> </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;namespace WebPortal{ /// <summary> /// UpLoad 的摘要说明。 /// 实现多文件上传 /// </summary> public class Upload : System.Web.UI.Page { protected System.Web.UI.WebControls.Button UploadButton; protected System.Web.UI.WebControls.Label strStatus; private void Page_Load(object sender, System.EventArgs e) { /// 在此处放置用户代码以初始化页面 if (this.IsPostBack) this.SaveImages(); } 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; } }
Web 窗体设计器生成的代码 }}
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