使用socket发送浮点值(从Java应用程序到C#)
我试图从Java中的socket发送浮点值,并希望通过C#中的socket接收它们。下面是我使用的代码。我面临的问题是,在C#上接收到的值没有意义。例如,如果我从java以浮点形式发送2.3f,我在C#end上收到的值是8.96831E-44。我似乎无法理解这一点。任何帮助都将不胜感激
------Java代码----------------
ServerSocket serverSocket = new ServerSocket(4343, 10);
Socket socket = serverSocket.accept();
OutputStream os = socket.getOutputStream();
// Receiving part which I used from another tutorial,
// Below part is just to check if send and receive are working
byte[] lenBytes = new byte[4];
is.read(lenBytes, 0, 4);
int len = (((lenBytes[3] & 0xff) << 24) | ((lenBytes[2] & 0xff) << 16) |
((lenBytes[1] & 0xff) << 8) | (lenBytes[0] & 0xff));
byte[] receivedBytes = new byte[len];
is.read(receivedBytes, 0, len);
String received = new String(receivedBytes, 0, len);
System.out.println("Server received: " + received);
// Sending, the crucial part
DataOutputStream out = new DataOutputStream(socket.getOutputStream());
out.writeFloat(2.3f);
socket.close();
serverSocket.close();
------C#代码------------
string toSend = "Hello!";
IPEndPoint serverAddress = new IPEndPoint(IPAddress.Parse(myIP), 4343);
Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
clientSocket.Connect(serverAddress);
// Sending
int toSendLen = System.Text.Encoding.ASCII.GetByteCount(toSend);
byte[] toSendBytes = System.Text.Encoding.ASCII.GetBytes(toSend);
byte[] toSendLenBytes = System.BitConverter.GetBytes(toSendLen);
clientSocket.Send(toSendLenBytes);
clientSocket.Send(toSendBytes);
// Receiving
byte[] rcvLenBytes = new byte[32];
int k = clientSocket.Receive(rcvLenBytes);
// this line i followed from another post
float val= System.BitConverter.ToSingle(rcvLenBytes, 0);
Console.WriteLine(val);
clientSocket.Close();
Console.ReadLine();
谢谢
编辑:在java和C之间传递整数#使用socket工作得很好,我面临着这个问题,尤其是使用float和double
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