利用TCP协议下一个简版的文件传输

发送文件客户端

1 package Package1; 2  3 import java.io.BufferedInputStream; 4 import java.io.BufferedOutputStream; 5 import java.io.File; 6 import java.io.FileInputStream; 7 import java.io.IOException; 8 import java.net.InetAddress; 9 import java.net.Socket;10 import java.net.UnknownHostException;11 12 public class 发送文件客户端 {13 14     public static void main(String[] args) throws IOException, IOException {15         try(16                 Socket s=new Socket(InetAddress.getByName("localhost"),9002);17                 BufferedInputStream  bis=new BufferedInputStream(new FileInputStream(new File("C:\\Users\\Administrator\\Desktop\\4.19.txt")));18                 BufferedOutputStream bos=new BufferedOutputStream(s.getOutputStream());19                 20                 ){21                     byte[] bt=new byte[1024];22                     int count=0;23                     while((count=bis.read(bt))!=-1) {24                         bos.write(bt,0,count);25                     }26                     bos.flush();27         }catch(Exception e) {28             e.printStackTrace();29         }30 31     }32 33 }

 

服务器端：

1 package Package1; 2  3 import java.io.BufferedInputStream; 4 import java.io.BufferedOutputStream; 5 import java.io.File; 6 import java.io.FileOutputStream; 7 import java.io.IOException; 8 import java.net.ServerSocket; 9 import java.net.Socket;10 11 public class 发送文件服务器端 {12 13     public static void main(String[] args) throws Exception {14         try(15                 ServerSocket ss=new ServerSocket(9002);16                 17                 ){18                     try(19                             Socket s=ss.accept();20                         BufferedInputStream bis=new BufferedInputStream(s.getInputStream());                        21                         BufferedOutputStream bos=new BufferedOutputStream(new FileOutputStream(new File("upload\\2.txt")));22                             23                             ){24                             byte[] bt=new byte[1024];25                             int count=0;26                             while((count=bis.read())!=-1) {27                                 bos.write(bt,0,count);28                             }29                     }30         }31 32     }33 34 }