class="alt"> 1: <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="login.aspx.cs" Inherits="link_mysql.login" %>
2: 3: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
4: 5: <html xmlns="http://www.w3.org/1999/xhtml">
6: <head runat="server">
7: <title></title>
8: <script type="text/javascript">
9: function checktype() {
10: var allow = [".doc", ".docx"];
11: var uploadfile = document.getElementById("FileUpload1").value;
12: var ext_p = uploadfile.lastIndexOf(".");
13: var ext = uploadfile.substring(ext_p).toLowerCase();
14: for (var i = 0; i < allow.length; i++) {
15: if (allow[i] == ext) {
16: return true;
17: } 18: }19: alert("file not valid."+ext);
20: return false;
21: }22: </script>
23: </head>
24: <body>
25: <form id="form1" runat="server">
26: <asp:FileUpload ID="FileUpload1" runat="server" />
27: <asp:Button ID="Button1" runat="server" Text="Button" OnClick="btn_uploadFile" OnClientClick="return checktype()"/>
28: <asp:Label ID="Label1" runat="server" Text="未上传"></asp:Label>
29: </form>
30: <div runat="server" id="dlfiles">
31: 文件下载：<br />
32: </div>
33: </body>
34: </html>
—>cs页
1: using System;
2: using System.Collections.Generic;
3: using System.Linq;
4: using System.Web;
5: using System.Web.UI;
6: using System.Web.UI.WebControls;
7: 8: namespace link_mysql
9: {10: public partial class login : System.Web.UI.Page
11: {12: protected void Page_Load(object sender, EventArgs e)
13: { 14: 15: }16: public void btn_uploadFile(object sender, EventArgs e)
17: {18: if (FileUpload1.HasFile)
19: {20: if (FileUpload1.PostedFile.ContentLength >= 10000000)
21: {22: Label1.Text = "文件太大";
23: }24: else
25: {26: FileUpload1.SaveAs(Server.MapPath("~/Files/")+FileUpload1.FileName);
27: Label1.Text = "Success.";
28: dlfiles.InnerHtml =dlfiles.InnerHtml+29: "<a href='" + @"Files/"+FileUpload1.FileName+"'>"+FileUpload1.FileName+"</a><br/>";
30: } 31: } 32: 33: } 34: } 35: }
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