我会尽力详细解释我的问题。随意问你是否需要更多细节。从Java中的套接字BufferedReader.readLine()卡住
我有一个多客户端/服务器连接通过Java套接字进行线程化。所有交易所都按照协议进行简单的案例分析。 searchFlight(destination,date)方法查询SQL数据库(抱歉,我无法提供它)并返回ResultSet变量。然后,方法displaySelected(ResultSet)将ResultSet作为字符串逐行发送到客户端。
直到服务器向客户端发送“小时”,通信才能正常工作。我监视了服务器上的值,看起来服务器向客户端发送了正确的字符串(应该是“Flight hour(HH:MM):”),但客户端只打印前一个字符串。具体来说,它是这样卡住:
(1) Make reservation | (2) Cancel reservation
1
Choose the departure date (YYYY-MM-DD):
2012-01-01
(1) Go to Encampment | (2) Go to City:
2
+------|-----------|------------|-------------|----------|-------+
| Code | Company | Dest | Date | Hour | Seats |
+------+-----------+------------+-------------+----------+-------+
| AER2 | Aerocamp | City | 2012-01-01 | 07:00:00 | 5 /6 |
| COP2 | CopterFly | City | 2012-01-01 | 09:00:00 | 5 /6 |
| AER1 | Aerocamp | City | 2012-01-01 | 10:00:00 | 3 /6 |
| H001 | HeliAir | City | 2012-01-01 | 11:00:00 | 6 /6 |
| COP1 | CopterFly | City | 2012-01-01 | 11:00:00 | 6 /6 |
| AER2 | Aerocamp | City | 2012-01-01 | 13:00:00 | 4 /6 |
| COP2 | CopterFly | City | 2012-01-01 | 15:00:00 | 2 /6 |
| AER1 | Aerocamp | City | 2012-01-01 | 16:00:00 | 6 /6 |
| COP1 | CopterFly | City | 2012-01-01 | 17:00:00 | 2 /6 |
| COP3 | CopterFly | City | 2012-01-01 | 20:00:00 | 3 /6 |
+------|-----------|------------|-------------|----------|-------+
Flight code (XXX#):
AER1
Flight code (XXX#):
Flight code (XXX#):
我困住了这个问题几天了,我真的不知道如何解决它。 我尝试了很多替代方案,但没有成功。我希望有人比我更熟练使用Java可以帮助我。
预先感谢您。
你可以看到我的所有代码波纹管。
客户端
public class Client {
static Socket clientSocket = null;
public static void main(String[]args) throws IOException{
PrintWriter out = null;
BufferedReader in = null;
try {
clientSocket = new Socket("localhost", 1024);
out = new PrintWriter(clientSocket.getOutputStream(), true);
in = new BufferedReader(new InputStreamReader(clientSocket.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 stdIn = new BufferedReader(new InputStreamReader(System.in));
String fromServer;
String fromClient = null;
try {
while (((fromServer = in.readLine()) != null)) {
System.out.println(fromServer);
System.out.flush();
if(!fromServer.endsWith(" ")){
fromClient = stdIn.readLine();
}
if (fromClient != null) {
out.println(fromClient);
out.flush();
}
}
out.close();
in.close();
stdIn.close();
clientSocket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
呀
Hour
输入!非常感谢!它现在正在完美地工作=) – Julien