发送端
System.out.println("上传客户端已启动....");
//1.创建Socket对象
Socket s = new So cket(InetAddress.getLocalHost().getHostAddress(), 10010);
//2.读取文本文件(读取本地文件)
BufferedReader br = new BufferedReader(new FileReader("a.txt"));
//3.准备输出流(向服务器输出)
OutputStream out = s.getOutputStream();
PrintWriter pw = new PrintWriter(out, true);
String line = null;
while((line=br.readLine())!= null) {
pw.println(line);
}
//客户端发送完毕后,要通知服务器我这边已经结束了..
//!!结束标记
s.shutdownOutput();//关闭输出流
//接收服务器返回的状态,是否上传成功
InputStream is = s.getInputStream();
byte[] b = new byte[1024];
int len = is.read(b);
System.out.println("result : " + new String(b,0,len));
//4.关闭资源
br.close();
s.close();
接收端
System.out.println("上传服务器已准备....");
//1.创建ServerSocket对象
ServerSocket ss = new ServerSocket(10010);
//2.获取Socket对象
Socket socket = ss.accept();
//3.获取输入流
InetAddress ip = socket.getInetAddress();
System.out.println(ip + "....已建立连接....");
InputStream is = socket.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is));
//创建File对象指向 upload文件夹
File dir = new File("D:\\asd");
//判断文件夹是否存在
if(!dir.exists()) {
//不存在,就创建文件夹
dir.mkdirs();
}
BufferedWriter bw = new BufferedWriter(new FileWriter(new File(dir, ip+".txt")));
String line = null;
while((line=br.readLine())!= null ) {
bw.write(line);
bw.newLine();
bw.flush();
}
System.out.println("文件上传完毕....");
//上传成功
OutputStream out = socket.getOutputStream();
PrintWriter pw = new PrintWriter(out,true);
pw.println("上传成功.");
//关闭资源
bw.close();
socket.close();
ss.close();