Asp.net 2.0 FileUpload 控件的用法

最新推荐文章于 2025-08-09 11:36:59 发布

转载最新推荐文章于 2025-08-09 11:36:59 发布 · 48 阅读

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/zhuangjunx/archive/2006/04/23/382528.html

文章标签：

#xhtml #ui #c#

本文展示了一个使用ASP.NET进行文件上传的例子，包括了表单元素及后台处理逻辑，能够验证上传文件是否为jpg或gif格式。

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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "<a href="http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" target="_blank">http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd</a>">

<html>
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
        <asp:FileUpload ID="FileUpload1" runat="server" />
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" />
        <asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ControlToValidate="FileUpload1"
            ErrorMessage="必须是 jpg或者gif文件" ValidationExpression="^(([a-zA-Z]:)|(\\{2}\W+)\$?)(\\(\W[\W].*))+(.jpg|.Jpg|.gif|.Gif)$"></asp:RegularExpressionValidator>
    </form>
</body>
</html>

using System;
using System.Data;
using System.Data.Sql;
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)
{

}

    protected void Button1_Click(object sender, EventArgs e)
    {
        String savePath = @"F:\wwwroot\cookie\temp\";
        if (FileUpload1.HasFile)
        {
            String filename;
            filename = FileUpload1.FileName;
            savePath +=filename;
            FileUpload1.SaveAs(savePath);
            Page.Response.Write(FileUpload1.PostedFile.ContentType + FileUpload1.PostedFile.ContentLength);

        }
        else
        {
            Page.Response.Write("fff");
        }
    }
}

转载于:https://www.cnblogs.com/zhuangjunx/archive/2006/04/23/382528.html