appupdate.cs

机械制造业信息管理系统(含源码) 是为一个粮仪厂开发的

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

using System.IO;
using System.Text;
using System.Net;
using System.Diagnostics;

using System.Threading;

namespace UpdateEr
{
	/// <summary>
	/// AppUpdate 的摘要说明。
	/// </summary>
	public class AppUpdate : System.Windows.Forms.Form
	{
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Timer timer;
		private System.ComponentModel.IContainer components;

		public AppUpdate()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			this.timer.Start();
			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		[STAThread]
		static void Main() {
			Application.Run(new AppUpdate());
		}

		//正在更新
		private void loadFile(){

			String temp = "";

			string fileUrlPath = "http://www.ESST.cn/SoftUpdate/TZLYIMS";

			try{
				WebRequest Wrequest     = WebRequest.Create("http://www.ESST.cn/SoftUpdate/TZLYIMS/softUpdate.htm");
				WebResponse Wresponse   = Wrequest.GetResponse();
				Stream Sm               = Wresponse.GetResponseStream();
				StreamReader Sr         = new StreamReader(Sm,Encoding.GetEncoding("GB2312"));
				temp                    = Sr.ReadToEnd().ToString();
				Sr.Close();
			}catch(Exception ex){
				MessageBox.Show("升级检查时遇到错误，请关闭窗口重试。\n\n错误信息：" + ex.Message.ToString());
				return;
			}

			int    oneI    = temp.IndexOf("]");
			string dURL    = temp.Substring(oneI+2,temp.Length-1-oneI-2);
			
			try{
				string[] fileS = dURL.Split(';');
				for(int i=0;i<fileS.Length;i++){

					string fileName     = fileS[i].ToString();
					this.label2.Text    = "正在更新：" + fileName;

					//DB2005.DLL是数据库文件，不允许更新
					if(fileName != "" && !fileName.ToUpper().Equals("DB2005.DLL")){
						string remoteUri = fileUrlPath + "/" + fileS[i].ToString();
						WebClient myWebClient = new WebClient();
						myWebClient.DownloadFile(remoteUri,fileName);
					}

				}
			}catch(Exception ex){
					MessageBox.Show("下载升级文件时出错，请关闭窗口重新启动程序。\n\n错误信息：" + ex.Message.ToString());
			}

			//下载完成，重新启动原程序
			System.Diagnostics.Process p = new Process();
			p.StartInfo.FileName = Application.StartupPath + "\\Eboer.MIS.MF.WinForm.exe";
			p.Start();

			Application.Exit();
		}

		//从网址中取出最后一个文件名，前提是这个网址中包含文件名
		private string GetFileName(string urlStr){
			if(urlStr.IndexOf("/") > 0){
				string[] str = urlStr.Split('/');
				return str[str.Length - 1];
			}

			return "";
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(AppUpdate));
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.label2 = new System.Windows.Forms.Label();
			this.timer = new System.Windows.Forms.Timer(this.components);
			this.groupBox1.SuspendLayout();
			this.SuspendLayout();
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.groupBox1.Location = new System.Drawing.Point(8, 0);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(464, 40);
			this.groupBox1.TabIndex = 0;
			this.groupBox1.TabStop = false;
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(8, 16);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(440, 16);
			this.label2.TabIndex = 3;
			this.label2.Text = "准备升级中....";
			// 
			// timer
			// 
			this.timer.Interval = 30;
			this.timer.Tick += new System.EventHandler(this.timer_Tick);
			// 
			// AppUpdate
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(480, 45);
			this.Controls.Add(this.groupBox1);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.SizableToolWindow;
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.Name = "AppUpdate";
			this.Text = "系统升级....";
			this.groupBox1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 更新程序
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void timer_Tick(object sender, System.EventArgs e) {
			this.timer.Stop();
			Thread t = new Thread(new ThreadStart(this.loadFile));
			t.Start();
		}
	}
}