网络client和server交互

package test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.Socket;
import java.net.UnknownHostException;

public class DailyAdviceClient {

public void go(){
try {
Socket s = new Socket("127.0.0.1",5000);
InputStreamReader ir = new InputStreamReader(s.getInputStream());
BufferedReader br = new BufferedReader(ir);
String Advice = br.readLine();
System.out.println(Advice);
br.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void main(String[] args) {
DailyAdviceClient d = new DailyAdviceClient();
d.go();
}
}

 

package test;

import java.io.IOException;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.rmi.server.SocketSecurityException;

public class DailyAdviceServer {

static String[] words = {"aaaaa","bbbbb","ccccc"};

public static void go(){
try {
ServerSocket ss = new ServerSocket(5000);
while(true){
Socket s = ss.accept();
PrintWriter pw = new PrintWriter(s.getOutputStream());
String Advice = getAdvice();
pw.println(Advice);
pw.close();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

private static String getAdvice() {
int random =(int)( Math.random() * words.length);
return words[random];
}

}