在线更新软件代码,CSharp代码库,德仔网

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【CSharp】在线更新软件
作者:丁子豪 / 发布于2015/5/19/ 963
通过某些手段后台更新软件。首先你要有一个放置新版本信息的网站。

	?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 一些对象和变量
	
	 //使用WebClient下载
	 WebClient client = new WebClient();
	 ArrayList downlist = new ArrayList();
	 //当前版本
	 string nowversion = null;
	 //最新版本
	 string latesversion = null;
	
	 #endregion
	
	 #region 获取版本号
	
	 /// <summary>
	 /// 从服务器上获取最新的版本号
	 /// </summary>
	 public void DownloadCheckUpdateXml()
	 {
	 try
	 {
	 //第一个参数是文件的地址,第二个参数是文件保存的路径文件名
	 client.DownloadFile("http://bbs.cloudtour.tk/SoftwareDownload/WriteBook/WriteBook2.xml", "WriteBook2.xml");
	 }
	 catch
	 {
	 MessageBox.Show("没有检测到更新。", "提示");
	 this.Close();
	 }
	 }
	
	 /// <summary>
	 /// 获取本地软件的版本号
	 /// </summary>
	 private void NowVersion()
	 {
	 nowversion = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString() + "\n";
	 LocalText.Text = nowversion;
	 }
	
	 /// <summary>
	 /// 读取从服务器获取的最新版本号
	 /// </summary>
	 public void LatestVersion()
	 {
	 try
	 {
	 if (File.Exists("WriteBook2.xml.xml"))
	 {
	 XmlDocument doc = new XmlDocument();
	 //加载要读取的XML
	 doc.Load("WriteBook2.xml.xml");
	
	 //获得根节点
	 XmlElement WriteBook = doc.DocumentElement;
	
	 //获得子节点 返回节点的集合
	 XmlNodeList Update = WriteBook.ChildNodes;
	
	 foreach (XmlNode item in Update)
	 {
	 latesversion = item.InnerText;
	 }
	 LatestText.Text = latesversion;
	 }
	 else
	 {
	 MessageBox.Show("没有检测到更新。", "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 安装and删除
	
	 /// <summary>
	 /// 下载安装包
	 /// </summary>
	 public void DownloadInstall()
	 {
	 try
	 {
	 if (nowversion == latesversion)
	 {
	 MessageBox.Show("您已经是最新版本。", "提示");
	 }
	 else if (nowversion != latesversion && File.Exists("WriteBook2.xml"))
	 {
	 MessageBox.Show("发现新版本，即将下载更新补丁。", "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("下载失败，请检查您的网络连接是否正常。", "提示");
	 this.Close();
	 }
	 }
	 }
	 catch
	 {
	 MessageBox.Show("更新失败，没有发现新版本。", "提示");
	 this.Close();
	 }
	 }
	
	 /// <summary>
	 /// 安装及删除
	 /// </summary>
	 private void InstallandDelete()
	 {
	 try
	 {
	 DialogResult dr = MessageBox.Show("下载更新成功，是否安装新更新？", "提示", MessageBoxButtons.YesNoCancel);
	 if (dr == System.Windows.Forms.DialogResult.Yes)
	 {
	 //启动安装程序
	 System.Diagnostics.Process.Start("WBsetup.exe");
	 Thread td = new Thread(JudgeInstall);
	 td.Start();
	 }
	 else { }
	 }
	 catch
	 {
	 MessageBox.Show("发生未知错误，更新失败。", "提示");
	 this.Close();
	 }
	 }
	
	 /// <summary>
	 /// 判断安装进程是否存在
	 /// </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，是否删除安装包？", "提示", MessageBoxButtons.YesNo);
	 if (dr == System.Windows.Forms.DialogResult.Yes)
	 {
	 File.Delete("WBsetup.exe");
	 File.Delete("WriteBook2.xml");
	 }
	 }
	 }
	 }
	 }
	
	 #endregion
	
	 /// <summary>
	 /// 点击初始化程序
	 /// </summary>
	 /// <param name="sender"></param>
	 /// <param name="e"></param>
	 private void UpdateButton_Click(object sender, EventArgs e)
	 {
	 InitializeandInstall();
	 }
	 }
	}
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　在线更新　　更新　
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