FileUpload控件的使用
FileUpload.aspx内容:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="FileUpLoad.aspx.cs" Inherits="FileUpLoad" %>
<!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>上次文件</title>
</head>
<body>
<form runat="server">
<div>
上传文件：<asp:FileUpload runat="server" Width="237px" />
<asp:Button runat="server" Text="上传" Width="79px" />
<asp:Label runat="server" Text="Label" Width="300px"></asp:Label><br />
<br />
</div>
</form>
</body>
</html>
Uploadfile.aspx.cs内容：
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 FileUpLoad : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack)
{
Boolean fileOK = false;
String path = Server.MapPath("~/Images/"); //设置服务器上传的路径，即文件上传的位置
if (FileUpload1.HasFile)
{
String fileExtension =
System.IO.Path.GetExtension(FileUpload1.FileName).ToLower();
String[] allowedExtensions =
{ ".gif", ".png", ".jpeg", ".jpg" };
for (int i = 0; i < allowedExtensions.Length; i++)
{
if (fileExtension == allowedExtensions[i])
{
fileOK = true;
}
}
}
if (fileOK)
{
try
{
FileUpload1.PostedFile.SaveAs(path
+ FileUpload1.FileName);
Label1.Text = "文件上传成功!";
}
catch (Exception ex)
{
Label1.Text = "文件不能上传.";
}
}
else
{
Label1.Text = "不能接受这种文件类型。";
}
}
}
}
来源于：www.hackbadboy.com B.B.S.T 信息安全团队 BadBoy网络安全小组
