文件上传代码
ASPX
<%@ 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>无标题页</title>
</head>
<script language="javascript">
function CheckImg(FileUpload)
{
var mime=FileUpload.value;
mime=mime.toLowerCase().substr(mime.lastIndexOf("."));
if(mime!=".jpg")
{
FileUpload.value="";
alert("仅支持JPG格式");
}
}
</script>
<body>
<form id="form1" runat="server">
<div>
<asp:FileUpload onchange="CheckImg(this)" ID="fulFile" runat="server" Style="z-index: 100; left: 30px; position: absolute;
top: 61px" />
<asp:Label ID="lblFile" runat="server" Height="63px" Style="z-index: 101; left: 26px;
position: absolute; top: 128px" Width="268px"></asp:Label>
<asp:Button ID="btnFile" runat="server" OnClick="btnFile_Click" Style="z-index: 102;
left: 30px; position: absolute; top: 91px" Text="上传" Width="105px" />
</div>
</form>
</body>
</html>
CS
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)
{
}
protected void btnFile_Click(object sender, EventArgs e)
{
if (fulFile.HasFile)
{
try
{
fulFile.SaveAs("C:\\" + fulFile.FileName);
lblFile.Text = "上传的文件名为：" + fulFile.FileName + "<br>" +
"文件大小：" + fulFile.PostedFile.ContentLength + "kb<br>" +
"文件类型：" + fulFile.PostedFile.ContentType;
}
catch (Exception ex)
{
lblFile.Text = ex.Message;
}
}
else
{
lblFile.Text = "您没有选择任何文件！";
}
}
}
