一段软件更新程序(使用WinRar压缩包)

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Net;
using System.Diagnostics;
namespace UpDate
{
public partial class Form1 : Form
{
private WebClient update = new WebClient();
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
string URL = @"http://www.cnblogs.com/Files/mossan/Zhongwen.rar";
int n = URL.LastIndexOf('/');
string fileName = URL.Substring(n + 1, URL.Length - n - 1);
if (!(Directory.Exists(Application.StartupPath + "//update")))
{
Directory.CreateDirectory(Application.StartupPath + "//update");
}
try { update.DownloadFile(URL, Application.StartupPath + "//update//" + fileName); }
catch (WebException ex) { MessageBox.Show(ex.Message, "Error"); }
try
{
Process UnWinrar = new Process();
UnWinrar.StartInfo.FileName = "WinRAR.exe";
UnWinrar.StartInfo.Arguments = "e -o+ /"" + Application.StartupPath + "//update//" + fileName + "/"" + " /"" + Application.StartupPath + "//update" + "/"";
UnWinrar.Start();
MessageBox.Show("解压缩完成！");
File.Copy(Application.StartupPath + "//update//" + "Zhongwen.exe", Application.StartupPath + "//Zhongwen.exe", true);
Process ProZhongwen = new Process();
ProZhongwen.StartInfo.FileName = Application.StartupPath + "//Zhongwen.exe";
ProZhongwen.Start();
}
catch (Exception ex) { MessageBox.Show(ex.Message); }
this.Close();
}
}
}
备注：本文引用自/article/4842353.html