我有以下问题,我的应用程序中有一个简单的 TCP 类,它向设备发送消息以进行查询,然后设备以消息响应但是没有任何描述的行尾字符,因为它来自一个串行转换器,在最初尝试使用 readline 功能并发现它需要 eol 字符后才输出在扫描仪功能上设置超时,以便它断开连接并继续前进,或者有更好的方法来做到这一点?我的代码如下:
public String Send_TCP ( InetAddress IPAddress, int POrt, String InData) throws IOException
{
Socket socket = null;
PrintWriter out = null;
BufferedReader in = null;
try {
socket = new Socket(IPAddress, POrt);
out = new PrintWriter(socket.getOutputStream(), true);
in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
} catch (UnknownHostException e) {
System.err.println("Don't know about host");
System.exit(1);
} catch (IOException e) {
System.err.println("Couldn't get I/O for the connection");
System.exit(1);
}
BufferedReader read = new BufferedReader(new InputStreamReader(System.in));
;
System.out.print("Connected, Sending:"+ InData);
out.println(InData);
System.out.println("Equals");
String str1 = new Scanner(in).useDelimiter(">").next() + ">";
System.out.println(str1);
System.out.println("Equals");
out.close();
in.close();
read.close();
socket.close();
return str1;
}
}