http服务器于浏览器简单的沟通，发送图片

在yg帮助下用Java做的，读取本地一张图片，发给浏览器（Client）

import javax.imageio.stream.FileImageInputStream;
import java.io.* ;
import java.net.* ;

public class Phttpd{
    public static void main(String[] args) throws  IOException{
        ServerSocket servsock;
        Socket sock ;
        OutputStream out ;
        BufferedReader in ;
        FileInputStream infile = null;
        byte[] buff = new byte[1024];
        boolean cont;
        int i ;
        File file=new File("/Users/hwg/Desktop/大三上/EX2_NETWORK/web/a.html");
        try{
            servsock = new ServerSocket(8099);
            while(true){
                sock = servsock.accept();
                try{
                    infile = new FileInputStream(file) ;
                }
                catch(FileNotFoundException e){
                    System.err.println("No found the file!!") ;
                    e.printStackTrace();
                }
                in = new BufferedReader(new InputStreamReader(sock.getInputStream()));
                out = sock.getOutputStream() ;

                for(i=0;i<2;i++) {
                    System.out.println(in.readLine());
                }
                cont = true ;
                //响应报文
                out.write("http/1.1 200 OKrn".getBytes());
                out.write("Content-Type: image/jpeg;rncontent-length: 144759rn".getBytes());
                out.write("rn".getBytes());
                
                String img="/Users/hwg/Desktop/IMG_2111.jpeg";
                FileInputStream fiis=new FileInputStream(new File(img));
                int it=0;
                while ((it=fiis.read(buff))!=-1){
                    out.write(buff);
                }
                out.flush();
                fiis.close();
                sock.close() ;
                infile.close() ;
            }
        }catch(IOException e){
            e.printStackTrace();
            System.exit(1) ;
        }
    }
}