client:
package com.xiao.socket;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;
public class Client1 {
public static void main(String[] args) throws Exception {
//1.创建一个socket连接
Socket socket = new Socket(InetAddress.getByName("127.0.0.1"),9000);
//2.创建一个输出流
OutputStream outputStream = socket.getOutputStream();
//3.读取文件
FileInputStream fileInputStream = new FileInputStream("D:\\照片\\xiao.jpg");
byte[] buffer = new byte[1024];
int lenth;
while ((lenth=fileInputStream.read(buffer))!=-1){
outputStream.write(buffer,0,lenth);
}
//通知服务器，我已经结束了
socket.shutdownOutput();
//确认服务器接收完毕，才能够断开连接
InputStream inputStream = socket.getInputStream();
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
byte[] buffer1 = new byte[1024];
int lenth1;
while ((lenth1=inputStream.read(buffer1))!=-1){
byteArrayOutputStream.write(buffer1,0,lenth1);
}
System.out.println(byteArrayOutputStream.toString());
fileInputStream.close();
outputStream.close();
socket.close();
}
}server:
package com.xiao.socket;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
public class Server1 {
public static void main(String[] args) throws Exception {
//1.先创建一个端口号
ServerSocket serverSocket = new ServerSocket(9000);
//2.等待连接
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 inputStream = socket.getInputStream();
FileOutputStream fileOutputStream = new FileOutputStream("receive.jpg");
byte[] buffer = new byte[1024];
int lenth;
while((lenth=inputStream.read(buffer))!=-1){
fileOutputStream.write(buffer,0,lenth);
}
//通知客户端我接收完毕
OutputStream outputStream = socket.getOutputStream();
outputStream.write("我接收完毕".getBytes());
fileOutputStream.close();
inputStream.close();
socket.close();
}
}
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