学习笔记(一)http通信本质(续)--相关源码

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;

public class DealwithHtml {

    public static void main(String[] args) throws IOException {
        // TODO Auto-generated method stub
        parseHtml();

    }

    /**
     * 模拟http请求
     * @throws IOException 
     */
    public static void parseHtml() throws IOException {
        ServerSocket  ss=new ServerSocket(8083);
        Socket  socket=       ss.accept();
        System.out.println("已经接收到数据....");
        if(socket!=null) {
            InputStream  input=socket.getInputStream();
            BufferedReader br=new BufferedReader(new InputStreamReader(input));
            String temp="";
            StringBuffer sb=new StringBuffer();
            while((temp=br.readLine())!=null&&temp.length()>0) {
                sb.append(temp);
                //回车换行
                sb.append("\n\r");
            };

            System.out.println(sb.toString());
            //d:\\web目录下,绝对路径
            String webRoot = "d:\\webs";
            String[] msgs = sb.toString().split(" ");

            //输出流
            OutputStream  out=  socket.getOutputStream();
            PrintWriter pw=new PrintWriter(new OutputStreamWriter(out));
            //模拟http响应
            pw.println("HTTP/1.1 200 OK ");
            pw.println("Content-Type: text/html;charset=utf-8");
            pw.flush();

            //��������
            if(msgs.length>2){
                //OutputStream out = socket.getOutputStream();
                StringBuilder strb = new StringBuilder();

                //out.write("HTTP/1.1 200 OK".getBytes());
                //out.write("Content-Type: text/html;charset=utf-8".getBytes());
                //out.write("\n".getBytes());
                FileInputStream fileIn = new FileInputStream(new File(webRoot+msgs[1]));
                byte[] buf = new byte[1024];
                int length = 0;     
                while((length=fileIn.read(buf))!=-1){
                    out.write(buf,0,length);
                }
                fileIn.close();
                out.close();
            }
           // socket.close();

        }


    }

}

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转载自blog.csdn.net/hello_delphi/article/details/80836401