共享一個基於Callback的無刷新上傳進度條控件的源碼。本控件使用的HttpMoudule基於寶玉的一個上傳進度條的sample,這裡封裝為一個控件,方便使用。無需任何代碼,只需設置web.config,添加HttpModule的引用,再將控件拖到頁面就行。頁面中的文件保存操作和傳統的asp.net文件上傳完全一樣。可以設置屬性上傳過程中出錯或上傳成功時跳轉到其它頁面。兼容IE,Firefox,Opera。其它環境沒測試,不過因為是基於ASP.Net2.0的callback,其他浏覽器只要支持XMLhttp或iframe就應該支持。
在線演示請訪問:http://teddy.cn/test
源碼及示例下載http://teddyma.cnblogs.com/Files/teddyma/TestUploadProgressBar.zip
(在本機運行示例注意將程序所在目錄設為對web帳號可寫,否則上傳文件是會權限不足報錯)
下面簡單列舉一下示例中的web.config和Default.aspx和Default.ASPx.cs。
web.config
1<?XML version="1.0"?>
2<configuration>
3 <aPPSettings/>
4 <connectionStrings/>
5 <system.web>
6 <compilation debug="true"/>
7 <authentication mode="Windows"/>
8 <httpModules>
9 <add name="HttpUploadModule" type="Ilungasoft.Framework.Web.Modules.UploadProgressModule, Framework.Web"/>
10 </httpModules>
11 <httpRuntime maxRequestLength="1000000" executionTimeout="300"/>
12 </system.web>
13</configuration>
Default.ASPx (注意Line 17必須設置控件的UploadButtonName為頁面中出發上傳事件的按鈕的ID)
1<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.ASPx.cs" Inherits="_Default" %>
2
3<%@ Register Assembly="Framework.Web" Namespace="Ilungasoft.Framework.Web.UI.WebControls"
4 TagPrefix="cc1" %>
5<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xHtml1-transitional.dtd">
6<html XMLns="http://www.w3.org/1999/xHtml">
7<head id="Head1" runat="server">
8 <title>Untitled Page</title>
9</head>
10<body>
11 <form id="form1" runat="server">
12 <div>
13 <ASP:FileUpload ID="FileUpload1" runat="server" /><br />
14 <br />
15 <ASP:Button ID="Button1" runat="server" Text="Upload" OnClick="Button1_Click" /><br />
16 <br />
17 <cc1:UploadProgressBar ID="UploadProgressBar1" runat="server" UploadButtonName="Button1" UploadErrorRedirectUrl="UploadError.ASPx">
18 </cc1:UploadProgressBar>
19 &n
bsp; <br />
20 <br />
21 </div>
22 </form>
23</body>
24</Html>
Default.ASPx.cs
1using System;
2using System.Data;
3using System.Configuration;
4using System.Web;
5using System.Web.Security;
6using System.Web.UI;
7using System.Web.UI.WebControls;
8using System.Web.UI.WebControls.WebParts;
9using System.Web.UI.HtmlControls;
10
11public partial class _Default : System.Web.UI.Page
12{
13 protected void Page_Load(object sender, EventArgs e)
14 {
15
16 }
17 protected void Button1_Click(object sender, EventArgs e)
18 {
19 FileUpload1.SaveAs(Server.MapPath("test.tmp"));
20 }
21}
是不是沒感覺到和使用該控件之前相比多了任何代碼呢?;-)
Enjoy!