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 System.Net;
using System.IO;
using System.Collections;
using System.Xml;
using System.Configuration;
namespace UpdateTicketKeyin
{
public partial class Form1 : Form
{
//定義全域變數
WebClient client = new WebClient(); //使用WebClient下載
int downfilenum = 0;
int downlistnum = 0;
ArrayList downlist = new ArrayList();
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
init(); //初始化
}
//初始化
private void init()
{
string curdir = Application.StartupPath;
string xmlPath = ConfigurationSettings.AppSettings["xmlPath"].ToString();
DownLoad(xmlPath, curdir + @"\temp\Update.xml", false); //同步下載遠端文件
string thePreUpdateDate = GetTheLastUpdateTime(curdir); //本地端版本訊息
string theLastsUpdateDate = GetTheLastUpdateTime(curdir + @"\temp\"); //遠端下載到本地端後的版本訊息
if (thePreUpdateDate == "") thePreUpdateDate = "2000-01-01";
//比較應用程式的更新日期
if (Convert.ToDateTime(thePreUpdateDate) >= Convert.ToDateTime(theLastsUpdateDate))
{
//MessageBox.Show("當前軟體已經是最新的，歡迎使用！", "系統提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
final();
}
else
{
MessageBox.Show("發現新版本，軟體即將自動升級...", "系統提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
//關閉原有應用程式的所有執行程序
System.Diagnostics.Process[] proc = System.Diagnostics.Process.GetProcessesByName("TicketKeyin");
foreach (System.Diagnostics.Process pro in proc)
{
pro.Kill();
}
downlist = GetDownFileList(curdir + @"\temp"); //獲取需要下載的文件列表
downlistnum = downlist.Count;
if (downlistnum > 0) DownLoadFile(downlist[0].ToString()); //非同步下載第一個
}
}
private void final()
{
string curdir = Application.StartupPath;
DirectoryInfo theFolder = new DirectoryInfo(curdir + @"\temp");
if (theFolder.Exists)
{
foreach (FileInfo theFile in theFolder.GetFiles())
{
//如果臨時文件夾下存在與應用程式所在目錄下的文件同名的文件，則刪除應用程式目錄下的文件
if (File.Exists(curdir + "\\" + Path.GetFileName(theFile.FullName)))
File.Delete(curdir + "\\" + Path.GetFileName(theFile.FullName));
//將臨時文件夾的文件移到應用程式所在的目錄下
File.Move(theFile.FullName, curdir + "\\" + Path.GetFileName(theFile.FullName));
}
}
if (Directory.Exists(curdir + @"\temp\")) Directory.Delete(curdir + @"\temp\", true); //刪除臨時目錄
//啟動安裝程式
this.label1.Text = "正在啟動程式....";
System.Diagnostics.Process.Start(curdir + @"\Keyin.exe");
this.Close();
}
private void client_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
//下載過程中
int a = e.ProgressPercentage;
progressBar1.Value = a;
label1.Text = a + "% 下載中... ";
}
private void client_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
//下載完成時
downfilenum++;
if (client != null) { client.CancelAsync(); }
if (downfilenum < downlistnum) DownLoadFile(downlist[downfilenum].ToString()); //下載剩餘的
if (downfilenum == downlistnum) { final(); } //完成時要處理的程序
}
//獲取本地的版本訊息
private string GetTheLastUpdateTime(string Dir)
{
string LastUpdateTime = "";
string AutoUpdaterFileName = Dir + @"\Update.xml";
if (!File.Exists(AutoUpdaterFileName))
{
return LastUpdateTime;
}
//打開xml文件
FileStream myFile = new FileStream(AutoUpdaterFileName, FileMode.Open);
//xml文件閱讀器
XmlTextReader xml = new XmlTextReader(myFile);
while (xml.Read())
{
if (xml.Name == "UpdateTime")
{
//獲取升級文件的最後一次更新日期
LastUpdateTime = xml.GetAttribute("Date");
break;
}
}
xml.Close();
myFile.Close();
return LastUpdateTime;
}
//獲取臨時文件裡的下載文件地址
private ArrayList GetDownFileList(string Dir)
{
int Count = 0;
ArrayList List = ReadXmlFile(Dir + "\\Update.xml", "UpdateFile", "FileName", ref Count);
return List;
}
//讀取XML中要更新的所有文件名
private ArrayList ReadXmlFile(string Path, string NodeName, string Name, ref int Count)
{
ArrayList List = new ArrayList();
if (!File.Exists(Path))
{
return null;
}
//打開xml文件
FileStream myFile = new FileStream(Path, FileMode.Open);
//xml文件閱讀器
XmlTextReader xml = new XmlTextReader(myFile);
while (xml.Read())
{
if (xml.Name == NodeName)
{
//獲取升級文件的最後一次更新日期
List.Add(xml.GetAttribute(Name));
}
}
xml.Close();
myFile.Close();
return List;
}
//HTTP方式下載遠端檔案並保存到本地端
private void DownLoad(string downAddress, string savePath, Boolean Async)
{
DirectoryInfo di = Directory.GetParent(savePath);
if (!di.Exists) di.Create();
WebClient client = new WebClient(); //再次 new 避免WebClient不能I/O並存
if (Async)
{
//非同步下載
client.DownloadProgressChanged += new DownloadProgressChangedEventHandler(client_DownloadProgressChanged);
client.DownloadFileCompleted += new AsyncCompletedEventHandler(client_DownloadFileCompleted);
client.DownloadFileAsync(new Uri(downAddress), savePath);
}
else
{
client.DownloadFile(new Uri(downAddress), savePath);
}
}
//下載檔案
private void DownLoadFile(string url)
{
string curdir = Application.StartupPath;
string[] arr = url.Split('/');
string filename = arr[arr.Count() - 1];
label2.Text = filename;
DownLoad(url, curdir + @"\temp\" + filename, true); //非同步下載遠端檔案
}
}
}
