using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
public partial class upload : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btupload_Click(object sender, EventArgs e)
{
if (FileUpload1.HasFile)
{
string filecontentType = FileUpload1.PostedFile.ContentType;
if (filecontentType == "image/bmp" || filecontentType == "image/gif" || filecontentType == "image/pjpeg" || filecontentType == "image/jpeg")
{
string name = FileUpload1.PostedFile.FileName;
FileInfo file= new FileInfo(name);
string filename = file.Name;
string webFilePath = Server.MapPath("image/" + filename);
if (!File.Exists(webFilePath))
{
try
{
FileUpload1.SaveAs(webFilePath);
this.lmsg.Text = "提示:文件" + filename + "上傳成功!";
this.lpathInfo.Text = "image/" + filename;
this.iPic.ImageUrl = "image/" + filename;
}
catch (Exception ex)
{
this.lmsg.Text = "提示文件上傳失敗,失敗原因" + ex.Message;
}
}
else
{
this.lmsg.Text = "該文件已經(jīng)存在!";
}
}
else {
this.lmsg.Text = "提示:文件類型不符";
}
}
}
}
前臺(tái)代碼如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="upload.aspx.cs" Inherits="upload" %>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table>
<tr>
<td><asp:FileUpload ID="FileUpload1" runat="server" />
<asp:Button ID="btupload" runat="server" onclick="btupload_Click" Text="上傳" /> <asp:Image
ID="iPic" ImageUrl="" Height="100px" runat="server" />
</td>
</tr>
<tr><td>
<asp:Label ID="lmsg" runat="server" Text="Label"></asp:Label>
<asp:Label ID="lpathInfo" runat="server" Text="Label"></asp:Label>
</td></tr>
</table>
</div>
</form>
</body>
</html>文件下載代碼
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