Java 无法断开插座
这是我的tcpClient类:Java 无法断开插座,java,sockets,tcpclient,Java,Sockets,Tcpclient,这是我的tcpClient类: import java.io.*; import java.net.*; public class tcpClient { private String _ip; private int _port; private Socket _clientSocket; public tcpClient(String IP, int Port) { _ip = IP; _port = Port; } public boolean createSocke
import java.io.*;
import java.net.*;
public class tcpClient
{
private String _ip;
private int _port;
private Socket _clientSocket;
public tcpClient(String IP, int Port)
{
_ip = IP;
_port = Port;
}
public boolean createSocket()
{
boolean retSt = false;
try
{
_clientSocket = new Socket(this._ip, this._port);
retSt = true;
}
catch (UnknownHostException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
return retSt;
}
public boolean disposeSocket()
{
boolean retSt = false;
try
{
_clientSocket.shutdownInput();
_clientSocket.shutdownOutput();
_clientSocket.close();
retSt = true;
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
return retSt;
}
public boolean isConnected()
{
return _clientSocket.isConnected();
}
}
以下是我的主要方法:
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.util.Date;
public class cos
{
public static void main(String[] args)
{
tcpClient client = new tcpClient("192.168.10.39", 1234);
client.createSocket();
System.out.println(client.isConnected());
client.disposeSocket();
System.out.println(client.isConnected());
client.createSocket();
System.out.println(client.isConnected());
client.disposeSocket();
System.out.println(client.isConnected());
}
}
以下是我的控制台输出:
true
true
true
true
为什么无法断开与服务器的连接?来自:
注意:关闭套接字不会清除其连接状态,这意味着
对于关闭的套接字,此方法将返回true(请参阅isClosed()),如果
它在关闭之前已成功连接
disposesocket正在运行并使用_clientSocket.close()关闭tcp;当retSt关闭时,您正在将其重置为true。因此,它正在返回trueno!我不会再回来了,好的!我关插座的方法对吗?首先关闭输入和输出通道,然后关闭socket.yes,尽管调用
close()
会自动关闭输入/输出流,因此不需要显式关闭它们。另请参见插座是否关闭或关闭not@petre您应该关闭围绕套接字的最外面的输出流或写入程序。你也不需要关机。