winform版本自动更新

<?xml version="1.0" encoding="utf-8" ?> <Update> <Soft Name="BlogWriter"> <Verson>1.0.1.2</Verson> <DownLoad>http://www.shitong666.cn/BlogWrite.zip</DownLoad> </Soft> </Update>

using System; using System.Collections.Generic; using System.Text; using System.Reflection; using System.IO; using System.Net; using System.Xml; namespace UpdateDemo { /// <summary> /// 程序更新 /// </summary> public class SoftUpdate { private string download; private const string updateUrl = "http://www.shitong666.cn/update.xml";//升级配置的XML文件地址  #region 构造函数 public SoftUpdate() { } /// <summary> /// 程序更新 /// </summary> /// <param name="file">要更新的文件</param> public SoftUpdate(string file, string softName) { this.LoadFile = file; this.SoftName = softName; } #endregion #region 属性 private string loadFile; private string newVerson; private string softName; private bool isUpdate; /// <summary> /// 或取是否需要更新 /// </summary> public bool IsUpdate { get { checkUpdate(); return isUpdate; } } /// <summary> /// 要检查更新的文件 /// </summary> public string LoadFile { get { return loadFile; } set { loadFile = value; } } /// <summary> /// 程序集新版本 /// </summary> public string NewVerson { get { return newVerson; } } /// <summary> /// 升级的名称 /// </summary> public string SoftName { get { return softName; } set { softName = value; } } #endregion /// <summary> /// 检查是否需要更新 /// </summary> public void checkUpdate() { try { WebClient wc = new WebClient(); Stream stream = wc.OpenRead(updateUrl); XmlDocument xmlDoc = new XmlDocument(); xmlDoc.Load(stream); XmlNode list = xmlDoc.SelectSingleNode("Update"); foreach (XmlNode node in list) { if (node.Name == "Soft" && node.Attributes["Name"].Value.ToLower() == SoftName.ToLower()) { foreach (XmlNode xml in node) { if (xml.Name == "Verson") newVerson = xml.InnerText;//拿到最新版本号 else download = xml.InnerText;//拿到要更新的文件(这块不用拿的,懒得改了)  } } } Version ver = new Version(newVerson); Version verson = Assembly.LoadFrom(loadFile).GetName().Version; int tm = verson.CompareTo(ver); //版本号比较 if (tm >= 0) isUpdate = false; else isUpdate = true; } catch (Exception ex) { throw new Exception("更新出现错误，请确认网络连接无误后重试！"); } } /// <summary> /// 获取要更新的文件 /// </summary> /// <returns></returns> public override string ToString() { return this.loadFile; } } }

 public partial class Form1 : Form { public Form1() { InitializeComponent(); this.Text = "Hello(版本1.0)"; label1.Text = "Hello World 1.0"; checkUpdate();//检查更新  } public void checkUpdate() { SoftUpdate app = new SoftUpdate(Application.ExecutablePath, "BlogWriter"); try { if (app.IsUpdate && MessageBox.Show("检查到新版本，是否更新？", "Update", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes) { //更新（调用更新的exe，这个是单独的一个程序，下面再说怎么写） string fileName = Application.StartupPath+@"Updata.exe"; Process p = new Process(); p.StartInfo.UseShellExecute = false; p.StartInfo.RedirectStandardOutput = true; p.StartInfo.FileName = fileName; p.StartInfo.CreateNoWindow = true; p.StartInfo.Arguments = "你好， 西安 欢迎你！";//参数以空格分隔，如果某个参数为空，可以传入””  p.Start();

  System.Environment.Exit(System.Environment.ExitCode);   //结束主线程

 // p.WaitForExit(); //这里就不能等他结束了
 // string output = p.StandardOutput.ReadToEnd(); //this.Dispose();//关闭主程序
                
  } } catch (Exception ex) { MessageBox.Show(ex.Message); } } }

 public partial class UpdateForm : Form { public UpdateForm() { InitializeComponent(); this.button1.Enabled = false; this.button1.Click += button1_Click; this.Text = "更新..."; UpdateDownLoad(); // Update();  } void button1_Click(object sender, EventArgs e) { this.Close(); } public delegate void ChangeBarDel(System.Net.DownloadProgressChangedEventArgs e); private void UpdateDownLoad() { WebClient wc = new WebClient(); wc.DownloadProgressChanged += wc_DownloadProgressChanged; wc.DownloadFileAsync(new Uri("http://www.shitong666.cn/BlogWriter.zip"), "Update.zip");//要下载文件的路径,下载之后的命名  } // int index = 0; void wc_DownloadProgressChanged(object sender, System.Net.DownloadProgressChangedEventArgs e) { Action act = () => { this.progressBar1.Value = e.ProgressPercentage; this.label1.Text = e.ProgressPercentage + "%"; }; this.Invoke(act); if (e.ProgressPercentage == 100) { //下载完成之后开始覆盖  ZipHelper.Unzip();//调用解压的类 this.button1.Enabled = true; } } }

 public class ZipHelper { public static string zipFileFullName = "update.zip"; public static void Unzip() { string _appPath = new DirectoryInfo(Assembly.GetExecutingAssembly().ManifestModule.FullyQualifiedName).Parent.FullName; string s7z = _appPath + @"7-Zip7z.exe"; System.Diagnostics.Process pNew = new System.Diagnostics.Process(); pNew.StartInfo.FileName = s7z; pNew.StartInfo.Arguments = string.Format(" x "{0}\{1}" -y -o"{0}"", _appPath, zipFileFullName); //x "1" -y -o"2" 这段7z命令的意思： x是解压的意思 "{0}"的位置写要解压文件路径"{1}"这个1的位置写要解压的文件名 -y是覆盖的意思 -o是要解压的位置  pNew.Start(); //等待完成  pNew.WaitForExit();
 //删除压缩包
          File.Delete(_appPath + @"" + zipFileFullName); } }