C# 自动更新 功能 Dome
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
主界面
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;
}
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();
}
