C#实现在线更新软件
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
UpdateSoftwareForm.cs
usingSystem;
usingSystem.Collections.Generic;
usingSystem.ComponentModel;
usingSystem.Data;
usingSystem.Drawing;
usingSystem.Linq;
usingSystem.Text;
usingSystem.Windows.Forms;
usingCCWin;
usingSystem.Net;
usingSystem.Collections;
usingSystem.IO;
usingSystem.Xml;
usingSystem.Diagnostics;
usingSystem.Threading;
namespaceWriteBook
{
publicpartialclassUpdateSoftwareForm:Skin_Metro
{
publicUpdateSoftwareForm()
{
InitializeComponent();
}
#region一些对象和变量
//使用WebClient下载
WebClientclient=newWebClient();
ArrayListdownlist=newArrayList();
//当前版本
stringnowversion=null;
//最新版本
stringlatesversion=null;
#endregion
#region获取版本号
///<summary>
///从服务器上获取最新的版本号
///</summary>
publicvoidDownloadCheckUpdateXml()
{
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>
privatevoidNowVersion()
{
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>
publicvoidLatestVersion()
{
try
{
if(File.Exists("WriteBook2.xml.xml"))
{
XmlDocumentdoc=newXmlDocument();
//加载要读取的XML
doc.Load("WriteBook2.xml.xml");
//获得根节点
XmlElementWriteBook=doc.DocumentElement;
//获得子节点返回节点的集合
XmlNodeListUpdate=WriteBook.ChildNodes;
foreach(XmlNodeiteminUpdate)
{
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>
privatevoidInitializeandInstall()
{
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>
publicvoidDownloadInstall()
{
try
{
if(nowversion==latesversion)
{
MessageBox.Show("您已经是最新版本。","提示");
}
elseif(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(inti=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>
privatevoidInstallandDelete()
{
try
{
DialogResultdr=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");
Threadtd=newThread(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>
publicvoidJudgeInstall()
{
while(true)
{
Process[]processList=Process.GetProcesses();
foreach(ProcessprocessinprocessList)
{
if(process.ProcessName=="WBsetup.exe"){}
else
{
DialogResultdr=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>
///<paramname="sender"></param>
///<paramname="e"></param>
privatevoidUpdateButton_Click(objectsender,EventArgse)
{
InitializeandInstall();
}
}
}
以上所述就是本文的全部内容了，希望大家能够喜欢。