多线程NIO客户端

package night;
import java.net .InetSocketAddress;
import java.io .IOException;
import java.io .BufferedReader;
import java.io .InputStreamReader;
import java.nio.ByteBuffer;
import java.nio.channels .SocketChannel;
import java.nio.channels.*;


public class Kfd extends Thread {

/**
* @param args
*/



public static void main(String[] args) {

    // TODO Auto-generated method stub
            new Kfd();
            System.out.println("请输入:");
}




static SocketChannel sc;
String host="127.0.0.1";
int port=10000;
ByteBuffer readbuf =ByteBuffer.allocate(1024);
ByteBuffer writebuf=ByteBuffer.allocate(1024);
InetSocketAddress ad=new InetSocketAddress(host,port);
public  Kfd  (){
start();
try {sc=SocketChannel.open();
Selector sl=Selector.open();
sc.configureBlocking(false);
//连接到server;
     sc.connect(ad);
     System.out.println("客服端连接成功");
     if(!sc.finishConnect()){
    System.out.print("客户端连接失败");
     }
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}



public void run() {
while(true){
try {
BufferedReader buf=
new BufferedReader
   (new InputStreamReader(System.in));
    String str =buf.readLine();
    byte[]pack=str.getBytes();
writebuf.clear();
writebuf.put(pack);
writebuf.flip();
System.out.println("到这里");
//发送
        send(sc);
        //接受
        recive(sc);
   
}
catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
}



private void recive(SocketChannel sc)throws IOException{
while(true){
if(sc.isConnectionPending()){
sc.read(readbuf);
}
readbuf.flip();
byte[]pack=null;
pack=new byte[readbuf.limit()];
//将缓冲的数据打包到数组中
readbuf.get(pack);
System.out.println(new String(pack.toString()));
}
}


private void send(SocketChannel sc){
while(true){
while(writebuf.hasRemaining()){
try {
sc.write(writebuf);

} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();

}
}

}
}





}