asp.net利用RAR实现文件压缩解压缩(转）
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asp.net利用RAR实现文件压缩解压缩(转）
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如果服務器上安裝了RAR程序，那么asp.net可以調用RAR實現文件壓縮與解壓縮。
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），所以如果要想實現讓用戶把本地文件用網頁解壓縮只有把文件上傳到服務器上再調用服務器上的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器解壓再拿回來。
本文講怎么在服務器端的目錄解壓縮文件！
效果圖：
<%...@?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());
????????}
????}
}
?
服務器端目錄：
客戶端解壓縮的變通方法：
轉載于:https://www.cnblogs.com/gjahead/archive/2007/06/18/788120.html
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