java===TCP(多線程多用戶端同時上傳位元組資料：圖片為例)

標籤：tin   exception   add   this   java.net   start   input   res   jpg   

package net;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.net.Socket;import java.net.UnknownHostException;public class UploadPicClient {    public static void main(String[]args)throws IOException,UnknownHostException{        Socket s = new Socket("192.168.1.2",7856);        FileInputStream fis = new FileInputStream("e:\\data\\1.jpg");        OutputStream os = (s.getOutputStream());        int len = 0 ;        byte[]buf = new byte[1024];        while((len=fis.read(buf))!=-1){             os.write(buf,0,len);             os.flush();                     }         s.shutdownOutput();        InputStream in = (s.getInputStream());        byte[]bufin = new byte[1024];        while((len=in.read(bufin))!=-1){               System.out.println(new String(bufin,0,len));        }        fis.close();        s.close();  }}

package net;import java.io.*;import java.net.*;public class UploadPicServer {     public static void main(String[]args)throws IOException{         ServerSocket ss = new ServerSocket(7856);         while(true){              Socket s = ss.accept();              new Thread(new Task(s)).start();         }                     }}

package net;import java.io.File;import java.io.FileOutputStream;import java.io.InputStream;import java.io.OutputStream;import java.net.Socket;public class Task implements Runnable {    private Socket s;    public Task(Socket s){          this.s=s;    }    @Override    public void run() {        int count=0;        try{             File dir = new File("e:\\pic");             if(!dir.exists()){                  dir.mkdirs();                 }             String ip = s.getInetAddress().getHostAddress();             File file = new File(dir,ip+".jpg");             while(file.exists()){                  file = new File(dir,ip+"("+(++count)+")"+".jpg");             }           InputStream in = s.getInputStream();           FileOutputStream fos = new FileOutputStream(file);           byte[]buf = new byte[1024];           int len = 0;           while((len=in.read(buf))!=-1){                fos.write(buf,0,len);                fos.flush();                           }           OutputStream out = s.getOutputStream();           out.write("上傳成功".getBytes());           out.flush();           s.close();           fos.close();        }catch(Exception e){                }    }}

 

java===TCP(多線程多用戶端同時上傳位元組資料：圖片為例)