服务器端
package top.ltyzqhh.Net;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
public class TCPServiceDemo02 {
public static void main(String[] args) throws Exception {
//1.创建一个端口
ServerSocket serverSocket = new ServerSocket(9000);
//2.监听客户端的连接
Socket socket = serverSocket.accept();//阻塞式监听,会一直等待客户端连接
//3.获取输入流
InputStream is = socket.getInputStream();
//4.文件输出
FileOutputStream fos = new FileOutputStream(new File("receive.png"));
byte[] buffer = new byte[1024];
int len;
while((len=is.read(buffer))!=-1)
{
fos.write(buffer,0,len);
}
//通知客户端接收完毕了
OutputStream os = socket.getOutputStream();
os.write("我接受完毕了,你可以断开了".getBytes());
//5.关闭资源
fos.close();
is.close();
socket.close();
serverSocket.close();
}
}
客户端
package top.ltyzqhh.Net;
import java.io.*;
import java.net.InetAddress;
import java.net.Socket;
public class TCPCilentDemo02 {
public static void main(String[] args) throws Exception {
//创建一个soket连接
Socket socket = new Socket(InetAddress.getByName("127.0.0.1"), 9000);
//2.创建一个输出流
OutputStream os = socket.getOutputStream();
//3.文件流
FileInputStream fileis = new FileInputStream(new File("readdead.png"));
//4.写出文件
byte[] buffer = new byte[1024];
int len;
while ((len=fileis.read(buffer))!=-1)
{
os.write(buffer,0,len);
}
//通知服务器, 我已经结束了
socket.shutdownOutput();//我已经传完了
//确定服务器接收完毕,才能够断开连接
InputStream inputStream = socket.getInputStream();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] buffer2 = new byte[2014];
int len2;
while ((len2=inputStream.read(buffer2))!=-1)
{
baos.write(buffer2,0,len2);
}
System.out.println(baos.toString());
//5.关闭资源
baos.close();
inputStream.close();
fileis.close();
os.close();
socket.close();
}
}