[网络协议] 145.tcp-服务端优化-UUID_

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[网络协议]145.tcp-服务端优化-UUID__

package com.itheima.scoketdemo8;

import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.UUID;

public class ServerDemo {
    public static void main(String[] args) throws IOException {

        ServerSocket ss=new ServerSocket(10000);
        while (true) {
            Socket accept = ss.accept();
            BufferedInputStream bis=new BufferedInputStream(accept.getInputStream());
            BufferedOutputStream bos=new BufferedOutputStream(new FileOutputStream(".\\"+ UUID.randomUUID().toString() +".png"));
            int b;
            while ((b= bis.read())!=-1){
                bos.write(b);
            }
            BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(accept.getOutputStream()));
            bw.write("上传成功");
            bw.newLine();
            bw.flush();
            bos.close();
            accept.close();
        }
        //ss.close();
    }
}

package com.itheima.scoketdemo8;

import java.io.*;
import java.net.Socket;

public class ClientDemo {
    public static void main(String[] args) throws IOException {
        Socket socket=new Socket("127.0.0.1",10000);
        BufferedInputStream bis=new BufferedInputStream(new FileInputStream(".\\1.png"));
        OutputStream os = socket.getOutputStream();
        BufferedOutputStream bos=new BufferedOutputStream(os);
        int b;
        while ((b=bis.read())!=-1){
            bos.write(b);//通过网络写道服务器
        }
        //给服务器一个结束标记，告诉服务器文件已经传输完毕
        socket.shutdownOutput();

        BufferedReader br=new BufferedReader(new InputStreamReader(socket.getInputStream()));
        String line;
        while ((line=br.readLine())!=null){
            System.out.println(line);
        }
        bis.close();
        socket.close();
    }
}

package com.itheima.scoketdemo8;

import java.util.UUID;

public class UUIDDemo {
    public static void main(String[] args) {
        UUID uuid=UUID.randomUUID();
        String s=uuid.toString().replace("-","");
        System.out.println(s);
    }
}