talkclient.java

Java案例开发集锦,里面提供了很好的学习例子

//chp 9
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;

public class TalkClient {
        public static void main(String[] args) {
                try {
                        //创建socket
                        Socket socket = new Socket("127.0.0.1", 4700);
                        BufferedReader sin = new BufferedReader(new InputStreamReader(
                                        System.in));
                        //从键盘读入信息
                        PrintWriter os = new PrintWriter(socket.getOutputStream());
                        //打开连接socket输出流
                        BufferedReader is = new BufferedReader(new InputStreamReader(socket
                                        .getInputStream()));//打开连接socket输入流
                        String readline;
                        readline = sin.readLine();
                        while (!readline.equals("bye")) {
                                os.println(readline);//输出通过键盘的录入信息
                                os.flush();
                                //System.out.println("Client:"+readline);
                                System.out.println("Server:" + is.readLine());
                                //按照一定的协议读写
                                readline = sin.readLine();
                        }
                        os.close();
                        is.close();
                        socket.close();
                        //最后全部关闭
                } catch (UnknownHostException e) {
                        System.out.println("Cann't find server.Program end.");
                        System.exit(0);
                        e.printStackTrace();
                } catch (IOException e) {
                        System.out.println("Cann't find server.Program end.");
                        System.exit(0);
                        //e.printStackTrace();
                } catch (Exception e) {
                        e.getMessage();
                }
        }
}