Java 客户端向服务端上传mp3文件数据的实例代码

客户端：

package cn.itcast.uploadpicture.demo;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.net.Socket;
import java.net.UnknownHostException;
public class UploadpicClient {
 public static void main(String[] args) throws UnknownHostException, IOException {
 
// 1、建立客户端的Socket服务
 Socket s=new Socket("192.168.1.216",10012);
 
// 2、获取图片资源
 BufferedInputStream burin=
  new BufferedInputStream(new FileInputStream("F:\CloudMusic\罗大佑,黄霑,徐克 - 沧海一声笑.mp3"));
 
// 3、获取socket输出流
 PrintStream pso=new PrintStream(s.getOutputStream(),true);
 
// 4、将数据写入到输出流
 byte[]buff=new byte[1024];
 int len=-1;
 while((len=burin.read(buff))!=-1) {
  pso.write(buff, 0, len);
 }
 s.shutdownOutput();
 
// 5、获取服务端的返回的数据
 InputStream is=s.getInputStream();
 byte[]buffin=new byte[1024];
 int lenth=is.read(buffin);
 String str=new String(buffin,0,lenth);
 System.out.println(str);
 
// 6、关闭流
 s.close();
 burin.close();
 }
}

服务端：

package cn.itcast.uploadpicture.demo;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.net.ServerSocket;
import java.net.Socket;
public class UploadpicServer {
 public static void main(String[] args) throws IOException {
 ServerSocket ss=new ServerSocket(10012);
 Socket s=ss.accept();
 
 System.out.println(s.getInetAddress().getHostAddress()+"connnected.......");
 
 BufferedInputStream burin=new BufferedInputStream(s.getInputStream());
 
 File file=new File("serve.mp3");
 if(!file.exists())
  file.mkdirs();
 PrintStream ps=new PrintStream(new FileOutputStream(file),true);
 
 byte[]buff=new byte[1024];
 int len=-1;
 while((len=burin.read(buff))!=-1) {
  ps.write(buff, 0, len);
 }
 
 PrintStream psout=new PrintStream(s.getOutputStream(),true);
 psout.println("上传成功");
 
 ss.close();
 s.close();
 ps.close();
 }
}

总结

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