指定时间终止线程？
public class WebForm1 : System.Web.UI.Page
{
private UdpClient server;
private IPEndPoint receivePoint; //将网络端点表示为IP地址和端口号
private IPEndPoint sendPoint; //本地网络端点
private int port = 1171; //本地的端口号
private int desPort = 20048; //远端机顶盒的端口号
private Thread startServer;
private Thread setThreadFlag; //用于设置startServer线程的
private bool threadFlag;
private StringBuilder sb = new StringBuilder();
protected System.Web.UI.WebControls.Label Label1;
private void Page_Load(object sender, System.EventArgs e)
{
if (!IsPostBack)
{
Run();
}
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <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.Load += new System.EventHandler(this.Page_Load);
}
#endregion
/// <summary>
/// 开启一个线程执行UDP服务
/// </summary>
private void Run()
{
server = new UdpClient(port);
receivePoint = new IPEndPoint(IPAddress.Broadcast, port);
sendPoint = new IPEndPoint(IPAddress.Broadcast, desPort);
//开启一个线程
startServer = new Thread(new ThreadStart(StartServer));
setThreadFlag = new Thread(new ThreadStart(SetThreadFlag));
startServer.Start();
setThreadFlag.Start();
Label1.Text = sb.ToString();
startServer.Abort();
setThreadFlag.Abort();
}
/// <summary>
/// 执行UDP服务
/// </summary>
private void StartServer()
{
threadFlag = true;
byte[] receiveData;
ASCIIEncoding encode = new ASCIIEncoding();
byte[] sendData = encode.GetBytes("Query:FFFFFF");
server.Send(sendData, sendData.Length, sendPoint);
while(threadFlag)
{
//接收从远程主机发送到本地的数据
receiveData = server.Receive(ref receivePoint);
string receiveString = encode.GetString(receiveData);
sb.Append("Data: " + receiveString);
sb.Append("<br>");
sb.Append("IP: " + receivePoint.Address);
sb.Append("<br>");
sb.Append("Port: " + receivePoint.Port);
sb.Append("<br>");
}
}
private void SetThreadFlag()
{
Thread.Sleep(1000);
threadFlag = false;
}
}
