Java学习笔记——Socket实现文件传输

我越是逃离,却越是靠近你。

我越是背过脸，却越是看见你。

我从你开始，

我在你结束。

需求：实现局域网下socket传输文件.

客户端步骤：

1、建立与服务器的连接

2、创建client输出流

3、创建输入流，绑定本地文件

4、读取文件后输出给服务器

服务器端步骤：

1、启动服务器

2、创建accept输入流

3、创建输出流绑定本地文件

4、读取客户端信息写入本地文件

1.字节流传输文件.

 public class Client {

     public static void main(String[] args) throws IOException {
         Socket client = new Socket("192.168.0.112", );
         OutputStream os = client.getOutputStream();
         FileInputStream fis = new FileInputStream("/home/yanshaochen/public/2017-05-06 15-12-02屏幕截图.png");
         byte[] bytes = new byte[];
         int data;
         while((data = fis.read(bytes))!= -){
             os.write(bytes, , data);
         }
         fis.close();
         client.close();
         System.out.println("发送成功!");
     }
 }

 public class Server {

     public static void main(String[] args) throws Exception {
         ServerSocket server = new ServerSocket();
         System.out.println("listening..");
         Socket accept = server.accept();
         InputStream is = accept.getInputStream();
         FileOutputStream fos = new FileOutputStream("d:\\download\\屏幕截图.png");
         byte[] bytes = new byte[];
         int data;
         while((data = is.read(bytes))!=-){
             fos.write(bytes, , data);
         }
         fos.close();
         server.close();
 }

2.字符流传输文件txt.

 public class Client {

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

         Socket client = new Socket("192.168.0.112", );
         OutputStream os = client.getOutputStream();
         Reader fr = new FileReader("/home/yanshaochen/public/zfsm.txt");
         BufferedReader br = new BufferedReader(fr);
         String buffer;
         while((buffer = br.readLine())!= null){
             buffer += "\r\n";
             os.write(buffer.getBytes());
         }
         br.close();
         client.close();
         System.out.println("发送成功!");
     }
 }

 public class Server {

     public static void main(String[] args) throws Exception {

         ServerSocket server = new ServerSocket();
         System.out.println("listening..");
         Socket accept = server.accept();
         InputStream is = accept.getInputStream();
         FileWriter fw = new FileWriter("d:\\download\\zfsm.txt");
         byte[] bytes = new byte[];
         int data;
         while((data = is.read(bytes)) != -){
             fw.write(new String(bytes, , data));
         }
         fw.close();
         server.close();
     }

 }