上传文件

Big_Apple — Wed, 23 Jan 2008 13:24:00 GMT

upload.aspx

<%@ Page language="c#" CodeFile="UpLoad.aspx.cs" AutoEventWireup="false" Inherits="UploadFile.Upload" %>
DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>文件上传title>
    <script  type="JavaScript">
    function addFile()
    {
        var str = '<INPUT type="file" size="50" NAME="File">';
        document.getElementById('MyFile').insertAdjacentHTML("beforeEnd",str);
    }
    script>
  head>
  <body>
    <form id="form1" method="post" runat="server" enctype="multipart/form-data">
      <div >
        <h3>文件上传h3>
        <p id="MyFile"><input type="file" size="50"  name="File"/>p>
        <p>
          <asp:Button Runat="server" Text="开始上传" ID="UploadButton">asp:Button>
        p>
        <p>
         <asp:Label ID="strStatus" runat="server" Font-Names="宋体" Font-Bold="True" Font-Size="9pt" Width="500px" BorderStyle="None" BorderColor="Red">asp:Label>
        <asp:Label ID="lMessage" runat="server" Font-Names="宋体" Font-Bold="True" Font-Size="9pt" Width="500px" BorderStyle="None" BorderColor="Green">asp:Label>
        p>
      div>
    form>
  body>
html>

upload.aspx.cs

1 using System;
2 using System.Data;
3 using System.Configuration;
4 using System.Web;
5 using System.Web.Security;
6 using System.Web.UI;
7 using System.Web.UI.WebControls;
8 using System.Web.UI.WebControls.WebParts;
9 using System.Web.UI.HtmlControls;
10
11 namespace UploadFile
12 {
13     public partial class Upload : System.Web.UI.Page
14     {
15
16         private void Page_Load(object sender, System.EventArgs e)
17         {
18
19             if (this.IsPostBack) this.SaveFiles();
20         }
21
22         private Boolean SaveFiles()
23         {
24             ///遍历File表单元素
25             HttpFileCollection files = HttpContext.Current.Request.Files;
26             string warnMessae = string.Empty;
27             /// 状态信息
28             System.Text.StringBuilder strMsg = new System.Text.StringBuilder();
29             strMsg.Append("上传的文件分别是：");
30             try
31             {
32                 for (int iFile = 0; iFile < files.Count; iFile++)
33                 {
34                     HttpPostedFile postedFile = files[iFile];
35                     string fileName, fileExtension;
36                     fileName = System.IO.Path.GetFileName(postedFile.FileName);
37                     if (fileName == "")
38                     {
39                         warnMessae = "Please choose a file!";
40                         lMessage.Text = warnMessae;
41                         strStatus.Visible = false;
42                     }
43                     if (fileName != "")
44                     {
45                         fileExtension = System.IO.Path.GetExtension(fileName);
46                         strMsg.Append("上传的文件类型：" + postedFile.ContentType.ToString() + "
");
47                         strMsg.Append("客户端文件地址：" + postedFile.FileName + "
");
48                         strMsg.Append("上传文件的文件名：" + fileName + "
");
49                         strMsg.Append("上传文件的扩展名：" + fileExtension + "

");
50                         postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath("Ave") + fileName);
51                         strStatus.Visible = true;
52                         lMessage.Visible = false;
53                     }
54                 }
55                 strStatus.Text = strMsg.ToString();
56                 return true;
57             }
58             catch (System.Exception Ex)
59             {
60                 strStatus.Text = Ex.Message;
61                 return false;
62             }
63         }
64         #region WebPage
65         override protected void OnInit(EventArgs e)
66         {
67             InitializeComponent();
68             base.OnInit(e);
69         }
70         private void InitializeComponent()
71         {
72             this.ID = "Upload";
73             this.Load += new System.EventHandler(this.Page_Load);
74
75         }
76         #endregion
77     }
78 }
79

Big_Apple 2008-01-23 21:24 发表评论

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