c#读蓝牙数据_C#编程连接蓝牙设备，文件收发
public partial class Form1 : Form
{
BluetoothRadio radio = null;//蓝牙适配器
string sendFileName = null;//发送文件名
BluetoothAddress sendAddress = null;//发送目的地址
ObexListener listener = null;//监听器
string recDir = null;//接受文件存放目录
Thread listenThread, sendThread;//发送/接收线程
public Form1()
{
InitializeComponent();
radio = BluetoothRadio.PrimaryRadio;//获取当前PC的蓝牙适配器
CheckForIllegalCrossThreadCalls = false;//不检查跨线程调用
if (radio == null)//检查该电脑蓝牙是否可用
{
MessageBox.Show("这个电脑蓝牙不可用！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
recDir = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
labelRecDir.Text = recDir;
}
private void buttonSelectBluetooth_Click(object sender, EventArgs e)//选择远程蓝牙设备
{
SelectBluetoothDeviceDialog dialog = new SelectBluetoothDeviceDialog();
dialog.ShowRemembered = true;//显示已经记住的蓝牙设备
dialog.ShowAuthenticated = true;//显示认证过的蓝牙设备
dialog.ShowUnknown = true;//显示位置蓝牙设备
if (dialog.ShowDialog() == DialogResult.OK)
{
sendAddress = dialog.SelectedDevice.DeviceAddress;//获取选择的远程蓝牙地址
labelAddress.Text = "地址:" + sendAddress.ToString() + " 设备名:" + dialog.SelectedDevice.DeviceName;
}
}
private void buttonSelectFile_Click(object sender, EventArgs e)//选择要发送的本地文件
{
OpenFileDialog dialog = new OpenFileDialog();
if (dialog.ShowDialog() == DialogResult.OK)
{
sendFileName = dialog.FileName;//设置文件名
labelPath.Text = Path.GetFileName(sendFileName);
}
}
private void buttonSend_Click(object sender, EventArgs e)//发送按钮
{
sendThread = new Thread(sendFile);//开启发送文件线程
sendThread.Start();
}
private void sendFile()//发送文件方法
{
ObexWebRequest request = new ObexWebRequest(sendAddress, Path.GetFileName(sendFileName));//创建网络请求
WebResponse response = null;
try
{
buttonSend.Enabled = false;
request.ReadFile(sendFileName);//发送文件
labelInfo.Text = "开始发送!";
response = request.GetResponse();//获取回应
labelInfo.Text = "发送完成!";
}
catch (System.Exception ex)
{
MessageBox.Show("发送失败！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
labelInfo.Text = "发送失败!";
}
finally
{
if (response != null)
{
response.Close();
buttonSend.Enabled = true;
}
}
}
private void buttonselectRecDir_Click(object sender, EventArgs e)//选择接受目录
{
FolderBrowserDialog dialog = new FolderBrowserDialog();
dialog.Description = "请选择蓝牙接收文件的存放路径";
if (dialog.ShowDialog() == DialogResult.OK)
{
recDir = dialog.SelectedPath;
labelRecDir.Text = recDir;
}
}
private void buttonListen_Click(object sender, EventArgs e)//开始/停止监听
{
if (listener == null || !listener.IsListening)
{
radio.Mode = RadioMode.Discoverable;//设置本地蓝牙可被检测
listener = new ObexListener(ObexTransport.Bluetooth);//创建监听
listener.Start();
if (listener.IsListening)
{
buttonListen.Text = "停止";
labelRecInfo.Text = "开始监听";
listenThread = new Thread(receiveFile);//开启监听线程
listenThread.Start();
}
}
else
{
listener.Stop();
buttonListen.Text = "监听";
labelRecInfo.Text = "停止监听";
}
}
private void receiveFile()//收文件方法
{
ObexListenerContext context = null;
ObexListenerRequest request = null;
while (listener.IsListening)
{
context = listener.GetContext();//获取监听上下文
if (context == null)
{
break;
}
request = context.Request;//获取请求
string uriString = Uri.UnescapeDataString(request.RawUrl);//将uri转换成字符串
string recFileName = recDir + uriString;
request.WriteFile(recFileName);//接收文件
labelRecInfo.Text = "收到文件" + uriString.TrimStart(new char[] { '/' });
}
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
if (sendThread != null)
{
sendThread.Abort();
}
if (listenThread != null)
{
listenThread.Abort();
}
if (listener != null && listener.IsListening)
{
listener.Stop();
}
}
}