1、client端
package demo.socket;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;
public class ClientTest {
public static void main(String[] args) {
try{
Socket socket = new Socket("127.0.0.1",8081);
OutputStream os = socket.getOutputStream();
PrintWriter pw = new PrintWriter(os);
// 获取输入流
InputStream is = socket.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is));
// 进行写操作
String info = "用户名:Tom,密码:123456";
pw.write(info);
pw.flush();
socket.shutdownOutput();
// 接收服务端响应
String reply = null;
while (!((reply = br.readLine()) == null)) {
System.out.println("我是客户端,服务端响应是:" + reply);
}
// 关闭流
br.close();
is.close();
pw.close();
os.close();
socket.close();
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
2、server端:
package demo.socket;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
public class ServerSocketTest {
public static void main(String[] args) {
try {
// 建立一个服务器绑定指定端口Socket(ServerSocket)并开始监听
ServerSocket serverSocket = new ServerSocket(8081);
// 使用accept()方法阻塞等待监听,获得新的连接
Socket socket = serverSocket.accept();
// 获得输入流
InputStream is = socket.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is));
// 获得输出流
OutputStream os = socket.getOutputStream();
PrintWriter pw = new PrintWriter(os);
// 读取用户输入信息
String info = null;
while (!((info = br.readLine()) == null)) {
System.out.println("我是服务器,用户信息为:" + info);
}
// 响应信息
String reply = "welcome";
pw.write(reply);
pw.flush();
// 关闭流
pw.close();
os.close();
br.close();
is.close();
socket.close();
serverSocket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
输出内容:
客户端:我是客户端,服务端响应是:welcome
服务端:我是服务器,用户信息为:用户名:Tom,密码:123456