using System;
using System.Web;
using System.IO;
using System.Net;
using System.Xml;
using System.Collections;
using System.Windows.Forms;
using System.ComponentModel;namespace AutoUpdate
{
/// <summary>
/// updater 的摘要说明。
/// </summary>
public class AppUpdater:IDisposable
{
#region 成员与字段属性
private string _updaterUrl;
private bool disposed = false;
private IntPtr handle;
private Component component = new Component();
[System.Runtime.InteropServices.DllImport("Kernel32")]
private extern static Boolean CloseHandle(IntPtr handle);
public string UpdaterUrl
{
set{_updaterUrl = value;}
get{return this._updaterUrl;}
}
#endregion /// <summary>
/// AppUpdater构造函数
/// </summary>
public AppUpdater()
{
this.handle = handle;
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
private void Dispose(bool disposing)
{
if(!this.disposed)
{
if(disposing)
{
component.Dispose();
}
CloseHandle(handle);
handle = IntPtr.Zero;
}
disposed = true;
} ~AppUpdater()
{
Dispose(false);
}
/// <summary>
/// 检查更新文件
/// </summary>
/// <param name="serverXmlFile"></param>
/// <param name="localXmlFile"></param>
/// <param name="updateFileList"></param>
/// <returns></returns>
public int CheckForUpdate(string serverXmlFile,string localXmlFile,out Hashtable updateFileList)
{
updateFileList = new Hashtable();
if(!File.Exists(localXmlFile) || !File.Exists(serverXmlFile))
{
return -1;
}
XmlFiles serverXmlFiles = new XmlFiles(serverXmlFile);
XmlFiles localXmlFiles = new XmlFiles(localXmlFile);
XmlNodeList newNodeList = serverXmlFiles.GetNodeList("AutoUpdater/Files");
XmlNodeList oldNodeList = localXmlFiles.GetNodeList("AutoUpdater/Files"); int k = 0;
for(int i = 0;i < newNodeList.Count;i++)
{
string [] fileList = new string[3]; string newFileName = newNodeList.Item(i).Attributes["Name"].Value.Trim();
string newVer = newNodeList.Item(i).Attributes["Ver"].Value.Trim();
ArrayList oldFileAl = new ArrayList();
for(int j = 0;j < oldNodeList.Count;j++)
{
string oldFileName = oldNodeList.Item(j).Attributes["Name"].Value.Trim();
string oldVer = oldNodeList.Item(j).Attributes["Ver"].Value.Trim();
oldFileAl.Add(oldFileName);
oldFileAl.Add(oldVer); }
int pos = oldFileAl.IndexOf(newFileName);
if(pos == -1)
{
fileList[0] = newFileName;
fileList[1] = newVer;
updateFileList.Add(k,fileList);
k++;
}
else if(pos > -1 && newVer.CompareTo(oldFileAl[pos+1].ToString())>0 )
{
fileList[0] = newFileName;
fileList[1] = newVer;
updateFileList.Add(k,fileList);
k++;
}
}
return k;
}
/// <summary>
/// 检查更新文件
/// </summary>
/// <param name="serverXmlFile"></param>
/// <param name="localXmlFile"></param>
/// <param name="updateFileList"></param>
/// <returns></returns>
public int CheckForUpdate()
{
string localXmlFile = Application.StartupPath + "\\UpdateList.xml";
if(!File.Exists(localXmlFile))
{
return -1;
} XmlFiles updaterXmlFiles = new XmlFiles(localXmlFile );
string tempUpdatePath = Environment.GetEnvironmentVariable("Temp") + "\\"+ "_"+ updaterXmlFiles.FindNode("//Application").Attributes["applicationId"].Value+"_"+"y"+"_"+"x"+"_"+"m"+"_"+"\\";
this.UpdaterUrl = updaterXmlFiles.GetNodeValue("//Url") + "/UpdateList.xml";
this.DownAutoUpdateFile(tempUpdatePath); string serverXmlFile = tempUpdatePath +"\\UpdateList.xml";
if(!File.Exists(serverXmlFile))
{
return -1;
}
XmlFiles serverXmlFiles = new XmlFiles(serverXmlFile);
XmlFiles localXmlFiles = new XmlFiles(localXmlFile);
XmlNodeList newNodeList = serverXmlFiles.GetNodeList("AutoUpdater/Files");
XmlNodeList oldNodeList = localXmlFiles.GetNodeList("AutoUpdater/Files"); int k = 0;
for(int i = 0;i < newNodeList.Count;i++)
{
string [] fileList = new string[3]; string newFileName = newNodeList.Item(i).Attributes["Name"].Value.Trim();
string newVer = newNodeList.Item(i).Attributes["Ver"].Value.Trim();
ArrayList oldFileAl = new ArrayList();
for(int j = 0;j < oldNodeList.Count;j++)
{
string oldFileName = oldNodeList.Item(j).Attributes["Name"].Value.Trim();
string oldVer = oldNodeList.Item(j).Attributes["Ver"].Value.Trim();
oldFileAl.Add(oldFileName);
oldFileAl.Add(oldVer); }
int pos = oldFileAl.IndexOf(newFileName);
if(pos == -1)
{
fileList[0] = newFileName;
fileList[1] = newVer;
k++;
}
else if(pos > -1 && newVer.CompareTo(oldFileAl[pos+1].ToString())>0 )
{
fileList[0] = newFileName;
fileList[1] = newVer;
k++;
}
}
return k;
}
/// <summary>
/// 返回下载更新文件的临时目录
/// </summary>
/// <returns></returns>
public void DownAutoUpdateFile(string downpath)
{
if(!System.IO.Directory.Exists(downpath))
System.IO.Directory.CreateDirectory(downpath);
string serverXmlFile = downpath+@"/UpdateList.xml"; try
{
WebRequest req = WebRequest.Create(this.UpdaterUrl);
WebResponse res = req.GetResponse();
if(res.ContentLength >0)
{
try
{
WebClient wClient = new WebClient();
wClient.DownloadFile(this.UpdaterUrl,serverXmlFile);
}
catch
{
return;
}
}
}
catch
{
return;
}
//return tempPath;
}
}
}
现在主要是要手动点完成才能完成自动更新 我想让他自动完成 不用我点按钮 代码放不完 谁能帮帮我 我给他10QB QQ283553162 谢谢了
最后补充一句,我对QB不感兴趣