服务端:
package 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;
/**
*socket服务端
*
*/
public class TCPServer {
public static void main(String[] args) {
try {
// 创建一个服务端socket实例,并绑定指定端口,同时监听该端口
ServerSocket serversocket = new ServerSocket(7777);
//调用accept()启动端口监听,等待客户端请求
System.out.println("服务端已启动,正在监听......");
Socket socket = serversocket.accept();//监听7777端口
InputStream is = socket.getInputStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String info = br.readLine();
while(!"".equals(info) && info != null){
System.out.println("服务端捕获到客户端信息:######"+info);
info = br.readLine();
}
//关闭相关资源
socket.shutdownInput();
//服务端创建输出流,响应客户端请求
OutputStream os = socket.getOutputStream();
PrintWriter pw = new PrintWriter(os);
pw.write("用户名密码正确,欢迎登陆");
pw.flush();
//关闭相关资源
socket.shutdownOutput();
//关闭其他资源
pw.close();
os.close();
br.close();
isr.close();
is.close();
socket.close();
serversocket.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
输出结果:
服务端已启动,正在监听......
服务端捕获到客户端信息:######用户名:admin 密码:1234
客户端:
package 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;
import java.net.UnknownHostException;
public class TCPClient {
public static void main(String[] args) {
try {
//创建客户端socket,指定服务端地址和端口
Socket socket = new Socket("localhost", 7777);
//建立一个输出流,用于向服务端发送信息
OutputStream os = socket.getOutputStream();
//创建一个打印流并包装输出流
PrintWriter pw = new PrintWriter(os);
pw.write("用户名:admin 密码:1234");
pw.flush();//刷新缓存
//关闭资源
socket.shutdownOutput();
//创建输入流,用于读取服务端响应信息
InputStream is = socket.getInputStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String serinfo = br.readLine();
while(!"".equals(serinfo) && serinfo != null){
System.out.println("客户端获取服务端响应信息:*****"+serinfo);
serinfo = br.readLine();
}
socket.shutdownInput();
br.close();
isr.close();
is.close();
pw.close();
os.close();
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
输出结果:
客户端获取服务端响应信息:*****用户名密码正确,欢迎登陆