asp.net利用RAR實現(xiàn)文件壓縮解壓縮

2019-11-18 16:31:23

字體：大中小

供稿：網(wǎng)友

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

不過要注意的是，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），所以如果要想實現(xiàn)讓用戶把本地文件用網(wǎng)頁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。

本文講怎么在服務(wù)器端的目錄解壓縮文件！

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "

<html xmlns="<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>

后臺代碼：

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)置要啟動的進程的初始目錄。
            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());
        }
    }
}
http://blog.csdn.net/21aspnet/archive/2007/06/13/1649810.aspx