client15.java

这是一个用java编写的关于WEB应用编程的简单的聊天系统的样例

package intnet;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Random;

public class Client {
	public static void main(String[] args) {
		Socket socket=null;
		try {
			socket =new Socket("192.168.100.14",6666);
		} catch (UnknownHostException e) {
			e.printStackTrace();
			System.exit(1);
		} catch (IOException e) {
			e.printStackTrace();
			System.exit(1);
		}
		PrintWriter writer =null;
		BufferedReader reader=null;
		try {
			writer =new PrintWriter(
					new OutputStreamWriter(socket.getOutputStream()));
			reader=new BufferedReader(new InputStreamReader(socket.getInputStream()));
			boolean sbye=false,cbye=false;
			String info=null;
			writer.println("login");
			writer.flush();
			Random rand=new Random();
			String[] say={"050701.java,98","050702.java,99","050703.java,100","bye."};
			while(!sbye&&!cbye){
				if(!sbye){
					info=reader.readLine();
				}
				if(info==null){
					continue;
				}
				if(info!=null&&info.compareTo("bye.")==0){
					sbye=true;
					//向服务端发结束消息
					if(!cbye){
						writer.println("bye.");
						cbye=true;
					}
				}
				System.out.println("received from server:"+info);
	     		int i=rand.nextInt(4);				
				writer.println(say[i]);
				writer.flush();
			}
		} catch (IOException e1) {
			e1.printStackTrace();
		} 		
		try {
			writer.close();
			reader.close();
			socket.close();
		} catch (IOException e) {
			System.exit(1);
		}
	}
}