C# 自动更新功能 Dome

zhulong1111 2011-05-26 05:52:07

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应朋友要求，需要一个C# winform的自动更新要求本来想想很简单但实际操作也弄了一个下午（可能技术水平问题）话不多说代码奉上。如有需要Email:zhulong1111@yahoo.cn 现给新手学习
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thread+delegate实现信息提示

下载的文件（实际下载下来还要对文件解压，覆盖。。这些小功能就没去写了）

主页代码：



 public partial class Form1 : Form

    {

        Thread th = null;

      

        public Form1()

        {

            InitializeComponent();

        }

        public delegate void SetText(string text,int i); //声明委托

        /// <summary>

        /// 委托实现

        /// </summary>

        /// <param name="value">值</param>

        /// <param name="i">1表示为本地版本控件，2表示服务器版本控件，3表示提示信息控件</param>

        public void setTextVlue(string value,int i)

        {

            if (i == 1)

                lblOld.Text = value;

            else if (i == 2)

                lblNew.Text = value;

            else if (i == 3)

                lblMessage.Text = value;

            else if (i == 4)

                button1.Enabled = true;

        }

        /// <summary>

        /// 窗体加载

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void Form1_Load(object sender, EventArgs e)

        {

            th = new Thread(new ThreadStart(threadFun));

            th.Start();

            button1.Enabled = false;

        }

        public void threadFun()

        {

            lblMessage.Invoke(new SetText(setTextVlue), "获取本地版本号。。。",3);

            string enition = GetSourceList(System.AppDomain.CurrentDomain.BaseDirectory + "UpXml.xml", "Version")[0];

            lblOld.Invoke(new SetText(setTextVlue),enition,1);

            Thread.Sleep(2000);

            lblMessage.Invoke(new SetText(setTextVlue),"获服务器地版本号。。。",3);

            Thread.Sleep(2000);

            string url = GetSourceList(System.AppDomain.CurrentDomain.BaseDirectory + "UpXml.xml", "url")[0];

            enition = GetSourceList(url, "Version")[0];

            lblNew.Invoke(new SetText(setTextVlue),enition,2);

            lblMessage.Invoke(new SetText(setTextVlue), "数据获取结束", 3);

            button1.Invoke(new SetText(setTextVlue), "打开按钮状态", 4);

        }

      

        /// <summary>

        /// 读取xml获取数据

        /// </summary>

        /// <param name="xmlfilePath">xml路径</param>

        /// <param name="nodeName">点名称</param>

        /// <returns>xml值</returns>

        public static List<string> GetSourceList(string xmlfilePath, string nodeName)

        {

            XmlTextReader textReader = null;

            List<string> listStr = new List<string>();

            try

            {

                textReader = new XmlTextReader(xmlfilePath);



                while (textReader.Read())

                {

                    if (textReader.NodeType == XmlNodeType.Element && textReader.IsStartElement())

                    {

                        if (textReader.Name == nodeName)

                        {

                            listStr.Add(textReader.ReadInnerXml());

                        }

                    }

                }

               

            }

            catch(Exception ee)

            {

                textReader.Close();

                listStr.Add(ee.Message);

            }

            return listStr;

        }

下载页面代码





   private void DownList_Load(object sender, EventArgs e)

        {

            dt = getSource();

            dataGridView1.DataSource = dt;

        }

        /// <summary>

        /// 转化为DateTable 用于绑定

        /// </summary>

        /// <returns></returns>

        public DataTable getSource()

        {

            string url = Form1.GetSourceList(System.AppDomain.CurrentDomain.BaseDirectory + "UpXml.xml", "url")[0];

            List<string> list = Form1.GetSourceList(url, "UpdateFile");

            DataTable tblDatas = new DataTable("Datas");

            DataColumn dc = null;

            string url2 = Form1.GetSourceList(url, "ut")[0];

            //赋值给dc，是便于对每一个datacolumn的操作

            dc = tblDatas.Columns.Add("ID", Type.GetType("System.Int32"));

            dc.AutoIncrement = true;//自动增加

            dc.AutoIncrementSeed = 1;//起始为1

            dc.AutoIncrementStep = 1;//步长为1

            dc.AllowDBNull = false;//

            dc = tblDatas.Columns.Add("name", Type.GetType("System.String"));

            dc = tblDatas.Columns.Add("lenght", Type.GetType("System.String"));

            dc = tblDatas.Columns.Add("url", Type.GetType("System.String"));

            DataRow newRow;

            for (int i = 0; i < list.Count; i++)

            {

                newRow = tblDatas.NewRow();

                newRow["name"] = list[i];

                newRow["lenght"] = list[i].ToString().Length;

                newRow["url"] =url2+"//"+ list[i].ToString();

                tblDatas.Rows.Add(newRow);

            }

            return tblDatas;

        }

        //设置进度条

        public void setProgressBar()

        {

            progressBar1.Value = 0;

            progressBar1.Minimum = 0;

            progressBar1.Maximum = dt.Rows.Count;

            progressBar1.Step = 1;

            for (int i = 0; i < dt.Rows.Count; i++)

            {

                progressBar1.Value += 1;

                WebClient client = new WebClient();

                client.DownloadFile(dt.Rows[0]["url"].ToString(), dt.Rows[i]["name"].ToString());

                Thread.Sleep(1000);

            }

        }

        private void button1_Click(object sender, EventArgs e)

        {

            setProgressBar();

        }