.net下软件的自动升级--上传

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.net下软件的自动升级--上传

代码如下:

UpLoad.aspx.cs

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.IO;

namespace UpLoadNote
{
 /// <summary>
 /// WebForm1 的摘要说明。
 /// </summary>
 public class UpLoad : System.Web.UI.Page
 {
  protected System.Web.UI.WebControls.Label fname;
  protected System.Web.UI.WebControls.Label fenc;
  protected System.Web.UI.WebControls.Label fsize;
  protected System.Web.UI.WebControls.Label LabelError;
  protected System.Web.UI.HtmlControls.HtmlInputFile myFile;
  protected System.Web.UI.HtmlControls.HtmlInputButton Button1;
 
  private void Page_Load(object sender, System.EventArgs e)
  {
   // 在此处放置用户代码以初始化页面
        if(LabelError.Text != "")
       {
        LabelError.Text = "";
       }
  }
  #region Web 窗体设计器生成的代码
  override protected void OnInit(EventArgs e)
  {
   //
   // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
   //
   InitializeComponent();
   base.OnInit(e);
  }
  
  /// <summary>
  /// 设计器支持所需的方法 - 不要使用代码编辑器修改
  /// 此方法的内容。
  /// </summary>
  private void InitializeComponent()
  {   
   this.Button1.ServerClick += new System.EventHandler(this.Button1_ServerClick);
   this.Load += new System.EventHandler(this.Page_Load);

  }
  #endregion

  private void Button1_ServerClick(object sender, System.EventArgs e)
  {
   //检查上传文件不为空
   if(myFile.PostedFile.FileName !="")
   {  
    string FullName = myFile.PostedFile.FileName;
    
    //得到这个文件的相关属性:文件名,文件类型,文件大小
    this.fname.Text = myFile.PostedFile.FileName;
    this.fenc.Text = myFile.PostedFile.ContentType;
    this.fsize.Text = myFile.PostedFile.ContentLength.ToString() + “ bytes“;

    //取得文件名(抱括路径)里最后一个"\"的索引
    int j = FullName.LastIndexOf("\\");
    //取得文件名
    string SimpleName = FullName.Substring(j);

    //保存文件到你所要的目录,这里是IIS根目录下的UpLoadNote目录.你可以改变.
    //用Server.MapPath()取当前文件的绝对目录.在asp.net里"\"为转义字符,必须用"\\"代替
    string FilePath = Server.MapPath("\\UpLoadNote");
    //myFile.PostedFile.SaveAs("D:\\test\\aa.doc");
    myFile.PostedFile.SaveAs(FilePath + SimpleName);
//    Response.Write(Server.MachineName);
   }
else
   {
    LabelError.Text = "请选择要上传的文件!";
   }
     }  
 }
}
 

UpLoad.aspx

  <%@ Page language="c#"  debug="true" Codebehind="UpLoad.aspx.cs" AutoEventWireup="false" Inherits="UpLoadNote.UpLoad" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
 <HEAD>
  <title>文件上传</title>
  <meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
  <meta content="C#" name="CODE_LANGUAGE">
  <meta content="JavaScript" name="vs_defaultClientScript">
  <meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
 </HEAD>
 <body MS_POSITIONING="GridLayout">
  <form id="uploderform" action="Upload.aspx" method="post" runat="server">
   <table cellSpacing="2" cellPadding="2" align="center" border="1" width="580" height="400">
    <tr>
     <td><asp:Label ID="LabelError" Runat="server"></asp:Label>
     </td>
    </tr>
    <tr>
     <td>
      <table width="564">
       <tr>
        <td>选择要上传的文件:</td>
       </tr>
       <tr>
        <td><input id="myFile" type="file" name="myFile" runat="server" style="WIDTH: 480px; HEIGHT: 22px"
          size="60">
        </td>
       </tr>
       <tr>
        <td><input id="Button1" type="button" value="上 传" name="Button1" runat="server"></td>
       </tr>
      </table>
      <br>
      <table width="564">
       <tr>
        <td width="200"><b>文件资料</b></td>
        <td>&nbsp;</td>
       </tr>
       <tr>
        <td>文件名 :</td>
        <td><asp:label id="fname" runat="server" text=""></asp:label></td>
       </tr>
       <tr>
        <td>文件类型 :</td>
        <td><asp:label id="fenc" runat="server"></asp:label></td>
       </tr>
       <tr>
        <td>文件大小 :</td>
        <td><asp:label id="fsize" runat="server"></asp:label></td>
       </tr>
      </table>
     </td>
    </tr>
   </table>
  </form>
 </body>
</HTML>  

2004年11月5日9:28:02

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