标签：更新 exists zip director exit on() length 存在 false
---创建一个用来更新的程序
---打开页面时进行更新
--App.config配置文件的信息
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
</startup>
<appSettings>
<!--本地版本号-->
<add key="Local_Version" value="1"/>//记录要更新程序的版本号
<!--服务器版本请求URL-->
<add key="ServerVersionUrl" value="http://112.74.26.247:808/UpdateServer/GetAssistVersion"/>//获取最新的程序版本号
<!--服务器更新文件下载URL-->
<add key="ServerUpdateFileUrl" value="http://112.74.26.247:808/UpdateServer/GetAssistUpdateFile"/>//下载最新的程序
</appSettings>
</configuration>
private void Form1_Load(object sender, EventArgs e)
{
try
{
//定位配置文件
System.AppDomain.CurrentDomain.SetData("APP_CONFIG_FILE", Application.StartupPath + "\\GS.Update.exe.config");//"\\GS.Update.exe.config");//
//获取本地版本号
string local_Ver = ConfigurationManager.AppSettings["Local_Version"];
//获取服务器版本请求URL
string ServerVerUrl = ConfigurationManager.AppSettings["ServerVersionUrl"];
//获取服务器版本信息
string serverVerTag = GetServerVer(ServerVerUrl, local_Ver);
//有新版本
if (serverVerTag.Equals("old", StringComparison.OrdinalIgnoreCase))
{
//没有新版本，直接启动程序
ToProcess("GS.Client.exe");
Application.Exit();
}
else if (serverVerTag.Equals("invalid", StringComparison.OrdinalIgnoreCase))
{
MessageBox.Show("服务器配置不正确!");
Application.Exit();
}
else
{
//获取服务器更新文件下载URL
string serverVerUrl = ConfigurationManager.AppSettings["ServerUpdateFileUrl"];
string savePath = "update.zip";//更新文件名
//下载更新文件
DownLoadUpdate(serverVerUrl, savePath);
//当前程序目录
string currentPath = Application.StartupPath + "\\";
//解压文件
UnZipFile(currentPath + savePath, currentPath);
//删除压缩文件
File.Delete(currentPath + savePath);
//更新完成修改本地XML版本号
Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
config.AppSettings.Settings["Local_Version"].Value = serverVerTag;//修改本地配置文件版本信息
//保存配置文件
config.Save();
ToProcess("GS.Client.exe");
//Application.Exit();
}
}
catch (Exception ex)
{
//获取主程序路径
MessageBox.Show(ex.Message);
ToProcess("GS.Client.exe");
}
finally
{
Application.Exit();
}
}
/// <summary>
/// 调用程序
/// </summary>
/// <param name="filePath"></param>
private void ToProcess(string filePath)
{
Process pro = new Process();
pro.StartInfo.UseShellExecute = true;
pro.StartInfo.FileName = filePath;
pro.StartInfo.CreateNoWindow = true;
pro.Start();
}
/// <summary>
/// 获取服务器版本号
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
private string GetServerVer(string url, string localVer)
{
string requestUrl = url + "?ClientVersion=" + localVer;
//创建请求对象
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(requestUrl);
webRequest.KeepAlive = false;
webRequest.Method = "GET";
webRequest.Timeout = 10000;
//发送请求
HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
StreamReader sr = new StreamReader(webResponse.GetResponseStream(), Encoding.UTF8);
return sr.ReadToEnd().Trim();
}
/// <summary>
/// 下载文件
/// </summary>
/// <param name="downloadUrl"></param>
/// <param name="savePath"></param>
private void DownLoadUpdate(string downloadUrl, string savePath)
{
WebClient webclient = new WebClient();
webclient.DownloadFile(new Uri(downloadUrl), savePath);
}
/// <summary>
/// 解压更新文件，并覆盖原文件
/// </summary>
/// <param name="zipFilePath">解压更新文件路径</param>
/// <param name="savePath">覆盖原文件路径</param>
private void UnZipFile(string zipFilePath, string savePath)
{
if (!File.Exists(zipFilePath))
{
throw new Exception("更新文件不存在！");
}
using (ZipInputStream s = new ZipInputStream(File.OpenRead(zipFilePath)))
{
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
string directoryName = Path.GetDirectoryName(theEntry.Name);
string fileName = Path.GetFileName(theEntry.Name);
// create directory
if (directoryName.Length > 0)
{
Directory.CreateDirectory(savePath + directoryName);
}
if (!directoryName.EndsWith("\\"))
{
directoryName += "\\";
}
if (fileName != String.Empty)
{
using (FileStream streamWriter = File.Create(savePath + directoryName + fileName))
{
int size = 2048;
byte[] data = new byte[2048];
while (true)
{
size = s.Read(data, 0, data.Length);
if (size > 0)
{
streamWriter.Write(data, 0, size);
}
else
{
break;
}
}
}
}
}
}
}
--Web.config配置文件的信息
<configuration>
<appSettings>
<!--更新目录路径-->
<add key="GS-Path-Assist" value="D:\\Update\\update.zip"/>//记录更新文件所在的路径
<!--更新版本号-->
<add key="GS-Version" value="D:\\Update\\"/>//记录更新文件版本号
</appSettings>
</configuration>
/// <summary>
/// 获取是否有新版本号
/// </summary>
/// <returns></returns>
public ActionResult GetAssistVersion()
{
//客户端版本号
string clientVer = Request.QueryString["ClientVersion"];
int c_Ver;
int.TryParse(clientVer, out c_Ver);
//服务器端版本号
int s_Ver;
int.TryParse(ConfigurationManager.AppSettings["GS-Version"], out s_Ver);
//判断版本号,
if (c_Ver < s_Ver)
{
return Content(s_Ver.ToString());
}
else
{
return Content("old");
}
}
/// <summary>
/// 获取更新文件
/// </summary>
/// <returns></returns>
public ActionResult GetAssistUpdateFile()
{
//更新文件路径
string path = ConfigurationManager.AppSettings["GS-Path-Assist"];
return File(path, "application/x-zip-compressed");
}
标签：更新 exists zip director exit on() length 存在 false
原文地址：http://www.cnblogs.com/wushijie/p/7102554.html
