同时上传N张图片
来源：互联网 发布：阿波罗13号 知乎 编辑：程序博客网 时间：2024/05/16 01:31
CS 端
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;
public partial class _Default : System.Web.UI.Page
...{
protected void Page_Load(object sender, EventArgs e)
...{
}
private bool upMorefile()
...{
//遍历File表单元素
System.Web.HttpFileCollection files = System.Web.HttpContext.Current.Request.Files;
//状态信息
System.Text.StringBuilder strMsg = new System.Text.StringBuilder("上传的文件信息分别为：<hr color=red>");
int fileCount;
int filecount = files.Count;
try
...{
for(fileCount = 0;fileCount<files.Count;fileCount++)
...{
//定义访问客户端上传文件的对象
System.Web.HttpPostedFile postedFile = files[fileCount];
string fileName, fileExtension;
//取得上传得文件名
fileName = System.IO.Path.GetFileName(postedFile.FileName);
if(fileName != String.Empty)
...{
//取得文件的扩展名
fileExtension = System.IO.Path.GetExtension(fileName);
//上传的文件信息
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 color=red>");
//保存到指定的文件夹
postedFile.SaveAs(Server.MapPath("upedFile/") + fileName);
}
}
strStatus.Text = strMsg.ToString();
return true;
}
catch(System.Exception error)
...{
strStatus.Text = error.Message;
return false;
}
}
}
ASPX端
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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>无标题页</title>
<script language="JavaScript">
function addFileControl()
...{
var str = '<INPUT type="file" NAME="File">'
document.getElementById('FileCollection').insertAdjacentHTML("beforeEnd",str)
}
</script>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="upMoreFile" method="post" encType="multipart/form-data" runat="server">
<asp:label id="Title" Runat="server"></asp:label>
<P id="FileCollection"><INPUT type="file" name="File">
</P>
<P><input onclick="addFileControl()" type="button" value="增加(File)">
<asp:button id="Upload" Runat="server" Text="上传" Width="56px" OnClick="Upload_Click"></asp:button><input style="WIDTH: 56px; HEIGHT: 24px" onclick="this.form.reset()" type="button" value="重置">
</P>
<P align="center"><asp:label id="strStatus" runat="server" BorderColor="White" BorderStyle="None" Width="500px"
Font-Size="9pt" Font-Bold="True" Font-Names="宋体"></asp:label></P>
</form>
</body>
</HTML>
