- import java.io.*;
- import java.net.*;
- /*
- *发送端
- */
- class picsend
- {
- public static void main(String[] args) throws Exception
- {
- if(args.length!=1)
- {
- System.out.println("请选择一张.jpg图片");
- return;
- }
- File file = new File(args[0]);
- if (!(file.exists() && file.isFile()))
- {
- System.out.println("图片有问题(不是文件或不存在)");
- return;
- }
- if(!file.getName().endsWith(".jpg"))
- {
- System.out.println("图片格式不对,请重新选择图片");
- return;
- }
- if(file.length()>1024*1024*10)
- {
- System.out.println("图片过大,无法上传");
- return;
- }
- Socket s = new Socket("192.168.33.1",10006);//建立服务
- FileInputStream fis = new FileInputStream("d:\\美女.jpg");//读取图片
- OutputStream out = s.getOutputStream();//读到的写入
- byte [] b = new byte[1024];
- int len = 0;
- while((len = fis.read(b))!= -1)
- {
- out.write(b,0,len);
- }
- s.shutdownOutput();//标记结束
- InputStream in = s.getInputStream();//读服务端返回数据
- byte [] bin = new byte[1024];
- int num = in.read(bin);
- System.out.println(new String(bin,0,num));
- fis.close();
- s.close();
- }
- }
- class picThread implements Runnable
- {
- private Socket s;
- picThread(Socket s)
- {
- this.s = s;
- }
- public void run()
- {
- int count = 1;
- String ip = s.getInetAddress().getHostAddress();//得到ip
- try
- {
- System.out.println(ip+".............connect");
- InputStream in = s.getInputStream();//读到流中数据
- File file = new File(ip+"("+(count)+")"+".jpg");
- while(file.exists())//判断文件是否存在
- file = new File(ip+"("+(count++)+")"+".jpg");
- FileOutputStream fos = new FileOutputStream(file);//写入
- byte [] b = new byte[1024];
- int len = 0;
- while((len = in.read(b))!=-1)
- {
- fos.write(b,0,len);
- }
- OutputStream out = s.getOutputStream();//写入服务端传过来数据
- out.write("上传成功!".getBytes());
- fos.close();
- s.close();
- }
- catch (Exception e)
- {
- throw new RuntimeException("上传失败");
- }
- }
- }
- /*
- *服务端
- */
- class picrece
- {
- public static void main(String[] args) throws Exception
- {
- ServerSocket ss = new ServerSocket(10006);
- while(true)
- {
- Socket s = ss.accept();//接收
- new Thread(new picThread(s)).start();
- }
- }
- }
转载:http://blog.csdn.net/chaoyu168/article/details/49902909