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asp.net利用RAR實(shí)現(xiàn)文件壓縮解壓縮_ASP教程

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如果服務(wù)器上安裝了RAR程序,那么asp.net可以調(diào)用RAR實(shí)現(xiàn)文件壓縮與解壓縮。

不過(guò)要注意的是,由于Web程序不能直接調(diào)用客戶端的程序(除非用ActiveX,ActiveX幾乎被廢棄),所以如果要想實(shí)現(xiàn)讓用戶把本地文件用網(wǎng)頁(yè)解壓縮只有把文件上傳到服務(wù)器上再調(diào)用服務(wù)器上的RAR壓縮,同理要解壓縮本地的RAR文件可以把文件上傳到服務(wù)器解壓再拿回來(lái)。

本文講怎么在服務(wù)器端的目錄解壓縮文件!

效果圖

前臺(tái)代碼:

以下為引用的內(nèi)容:

<%...@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!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>服務(wù)器端解壓縮 清清月兒 http://blog.csdn.net/21aspnet/</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="壓縮" />
<asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="解壓縮" /></div>
</form>
</body>
</html>


后臺(tái)代碼:

以下為引用的內(nèi)容:

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Runtime.InteropServices;
using Microsoft.Win32;
using System.Diagnostics;
public partial class _Default : System.Web.UI.Page
...{
protected void Page_Load(object sender, EventArgs e)
...{
//清清月兒 http://blog.csdn.net/21aspnet/
}
protected void Button1_Click(object sender, EventArgs e)
...{
//壓縮
String the_rar;
RegistryKey the_Reg;
Object the_Obj;
String the_Info;
ProcessStartInfo the_StartInfo;
Process the_Process;
try
...{
the_Reg = Registry.ClassesRoot.OpenSubKey("Applications\WinRAR.exe\Shell\Open\Command");
the_Obj = the_Reg.GetValue("");
the_rar = the_Obj.ToString();
the_Reg.Close();
the_rar = the_rar.Substring(1, the_rar.Length - 7);
the_Info = " a " " 1.rar " " " "C:\1\1.txt";
the_StartInfo = new ProcessStartInfo();
the_StartInfo.FileName = the_rar;
the_StartInfo.Arguments = the_Info;
the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
the_StartInfo.WorkingDirectory = "C:\1";//獲取或設(shè)置要啟動(dòng)的進(jìn)程的初始目錄。
the_Process = new Process();
the_Process.StartInfo = the_StartInfo;
the_Process.Start();
Response.Write("壓縮成功");
}
catch (Exception ex)
...{
Response.Write(ex.ToString());
}
}
protected void Button2_Click(object sender, EventArgs e)
...{
//解壓縮
String the_rar;
RegistryKey the_Reg;
Object the_Obj;
String the_Info;
ProcessStartInfo the_StartInfo;
Process the_Process;
try
...{
the_Reg = Registry.ClassesRoot.OpenSubKey("Applications\WinRar.exe\Shell\Open\Command");
the_Obj = the_Reg.GetValue("");
the_rar = the_Obj.ToString();
the_Reg.Close();
the_rar = the_rar.Substring(1, the_rar.Length - 7);
the_Info = " X " " 1.rar " " " "C:\1";
the_StartInfo = new ProcessStartInfo();
the_StartInfo.FileName = the_rar;
the_StartInfo.Arguments = the_Info;
the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
the_Process = new Process();
the_Process.StartInfo = the_StartInfo;
the_Process.Start();
Response.Write("解壓縮成功");
}
catch (Exception ex)
...{
Response.Write(ex.ToString());
}
}
}

服務(wù)器目錄

客戶端解壓縮的變通方法:

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來(lái)源:模板無(wú)憂//所屬分類:ASP教程/更新時(shí)間:2008-08-22
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