Asp.net 代码对文件进行压缩和解压缩

最新推荐文章于 2024-06-25 07:00:00 发布

chenjianyong94

最新推荐文章于 2024-06-25 07:00:00 发布

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分类专栏： asp.net c# 文章标签： asp.net button exception object string server

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本文介绍如何在ASP.NET应用中使用WinRAR进行文件的压缩与解压缩操作。通过注册表读取WinRAR路径，并利用Process类启动WinRAR实现自动化处理。

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1.前台设计页面

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Agent_Default2" %>

<!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 id="Head1" runat="server">
    <title>服务器端解压缩 </title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="压缩" />
        <asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="解压缩" /></div>
    </form>
</body>
</html>

2.后台.cs页面

引入空间

using System.IO;
using System.Runtime.InteropServices;
using Microsoft.Win32;
using System.Diagnostics;

protected void Button1_Click(object sender, EventArgs e)
    {
        //压缩
        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");
            //调用winner命令,此句不可更改

the_Obj = the_Reg.GetValue("");
//得到winner的对象。此句不可更改

the_rar = the_Obj.ToString();
//将此对象转换为实体。表示实际的对象。

            Response.Write(the_rar+"<br>");
           //值为"C:/Program Files/WinRAR/WinRAR.exe" "%1"
            the_Reg.Close();

            the_rar = the_rar.Substring(1, the_rar.Length - 7);
            //获取winner对象的实体的类型

            Response.Write(the_rar);
            //值为:C:/Program Files/WinRAR/WinRAR.exe

the_Info = " a " + " 1.rar " + " "+ @"C:/1/1.txt";
//得到转换文件的对象，格式： //命令(不可更改) + 压缩后文件名 + 被压缩的文件或者路径

the_StartInfo = new ProcessStartInfo();
//初始化进程对象

the_StartInfo.FileName = the_rar;
//得到初始化进程对象文件名

the_StartInfo.Arguments = the_Info;
//传入对象的参数

            the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
            //指定系统启动进程是的窗口状态
            the_StartInfo.WorkingDirectory =@"C:/1";

            //获取或设置要启动的进程的初始目录。

            the_Process = new Process();
           //进程初始化开始对象实例
            the_Process.StartInfo = the_StartInfo;
            //传递进程的属性

the_Process.Start();
//开始压缩

            Response.Write("压缩成功");
        }
        catch (Exception ex)
        {
            Response.Write(ex.ToString());
        }
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        //解压缩
        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";
//得到转换文件的对象，格式： //命令(不可更改) + 压缩后文件名 + 被压缩的文件或者路径

            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("解压缩成功");
        }
        catch (Exception ex)
       {
            Response.Write(ex.ToString());
           }
    }