通過某些手段后臺更新軟件。首先你要有一個放置新版本信息的網站
UpdateSoftwareForm.cs
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using CCWin;using System.Net;using System.Collections;using System.IO;using System.Xml;using System.Diagnostics;using System.Threading; namespace WriteBook{ public partial class UpdateSoftwareForm : Skin_Metro { public UpdateSoftwareForm() { InitializeComponent(); } #region 一些對象和變量 //使用WebClient下載 WebClient client = new WebClient(); ArrayList downlist = new ArrayList(); //當前版本 string nowversion = null; //最新版本 string latesversion = null; #endregion #region 獲取版本號 /// <summary> /// 從服務器上獲取最新的版本號 /// </summary> public void DownloadCheckUpdateXml() { try { //第一個參數是文件的地址,第二個參數是文件保存的路徑文件名 client.DownloadFile("http://bbs.cloudtour.tk/SoftwareDownload/WriteBook/WriteBook2.xml", "WriteBook2.xml"); } catch { MessageBox.Show("沒有檢測到更新。", "提示"); this.Close(); } } /// <summary> /// 獲取本地軟件的版本號 /// </summary> private void NowVersion() { nowversion = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString() + "/n"; LocalText.Text = nowversion; } /// <summary> /// 讀取從服務器獲取的最新版本號 /// </summary> public void LatestVersion() { try { if (File.Exists("WriteBook2.xml.xml")) { XmlDocument doc = new XmlDocument(); //加載要讀取的XML doc.Load("WriteBook2.xml.xml"); //獲得根節點 XmlElement WriteBook = doc.DocumentElement; //獲得子節點 返回節點的集合 XmlNodeList Update = WriteBook.ChildNodes; foreach (XmlNode item in Update) { latesversion = item.InnerText; } LatestText.Text = latesversion; } else { MessageBox.Show("沒有檢測到更新。", "提示"); this.Close(); } } catch { this.Close(); } } #endregion #region 初始化程序 /// <summary> /// 初始化程序 /// </summary> private void InitializeandInstall() { UpdateProgressBar.Value = 20; DownloadCheckUpdateXml(); UpdateProgressBar.Value = 40; NowVersion(); UpdateProgressBar.Value = 60; LatestVersion(); UpdateProgressBar.Value = 80; DownloadInstall(); UpdateProgressBar.Value = 100; } #endregion #region 安裝and刪除 /// <summary> /// 下載安裝包 /// </summary> public void DownloadInstall() { try { if (nowversion == latesversion) { MessageBox.Show("您已經是最新版本。", "提示"); } else if (nowversion != latesversion && File.Exists("WriteBook2.xml")) { MessageBox.Show("發現新版本,即將下載更新補丁。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information); client.DownloadFile("http://bbs.cloudtour.tk/SoftwareDownload/WriteBook/WBsetup.exe", "WBsetup.exe"); if (File.Exists("Setup.exe")) { InstallandDelete(); } else { for (int i = 1; i < 3; i++) { client.DownloadFile("http://bbs.cloudtour.tk/SoftwareDownload/WriteBook/WBsetup.exe", "WBsetup.exe"); } MessageBox.Show("下載失敗,請檢查您的網絡連接是否正常。", "提示"); this.Close(); } } } catch { MessageBox.Show("更新失敗,沒有發現新版本。", "提示"); this.Close(); } } /// <summary> /// 安裝及刪除 /// </summary> private void InstallandDelete() { try { DialogResult dr = MessageBox.Show("下載更新成功,是否安裝新更新?", "提示", MessageBoxButtons.YesNoCancel); if (dr == System.Windows.Forms.DialogResult.Yes) { //啟動安裝程序 System.Diagnostics.Process.Start("WBsetup.exe"); Thread td = new Thread(JudgeInstall); td.Start(); } else { } } catch { MessageBox.Show("發生未知錯誤,更新失敗。", "提示"); this.Close(); } } /// <summary> /// 判斷安裝進程是否存在 /// </summary> public void JudgeInstall() { while (true) { Process[] processList = Process.GetProcesses(); foreach (Process process in processList) { if (process.ProcessName == "WBsetup.exe") { } else { DialogResult dr = MessageBox.Show("更新成功,是否刪除安裝包?", "提示", MessageBoxButtons.YesNo); if (dr == System.Windows.Forms.DialogResult.Yes) { File.Delete("WBsetup.exe"); File.Delete("WriteBook2.xml"); } } } } } #endregion /// <summary> /// 點擊初始化程序 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void UpdateButton_Click(object sender, EventArgs e) { InitializeandInstall(); } }}
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