bio-serversocket回复response

package com.io;

import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Date;

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

        ServerSocket server = new ServerSocket(2222);
        while(true){
            try{
                Socket client = server.accept();
                InputStream in = client.getInputStream();
                byte[] buf = new byte[1024];
                in.read(buf);
                //in.close();
                System.out.println("request from client " + client.getInetAddress().getHostAddress());
                System.out.println(new String(buf));

                OutputStream out = client.getOutputStream();
                DataOutputStream outStream = new DataOutputStream(client.getOutputStream());
                //outStream.write("Hello".getBytes());
                //outStream.flush();

                BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(outStream,"UTF-8"));
                bufferedWriter.write(response());
                bufferedWriter.flush();

                client.close();
            }catch(Exception e){
                e.printStackTrace();
            }
        }
    }

    public static String response() throws Exception{
        // 请求头部
         StringBuilder responseInfo = new StringBuilder();
         final String CRLF = "\r\n";
         final String BLANK = " ";
         responseInfo.append("HTTP/1.1").append(BLANK);
         responseInfo.append("200 OK").append(CRLF);
         responseInfo.append("Date:").append(new Date()).append(CRLF);
         responseInfo.append("Server:").append("shsxt?Server/0.0.1;charset=UTF-8").append(CRLF);
         responseInfo.append("Content-type:text/html").append(CRLF);

        // 请求体
        StringBuilder responseInfoBody = new StringBuilder();
        responseInfoBody.append("<html>");
        responseInfoBody.append("<head>");
        responseInfoBody.append("<meta http-equiv=\"content-type\" content=\"text/html;charset=utf-8\">");
        responseInfoBody.append("</head>");
        responseInfoBody.append("</html>");
        responseInfoBody.append("登录页面");
        int len = responseInfoBody.toString().getBytes("utf-8").length;

        responseInfo.append("Content-length:").append(len).append(CRLF);
        responseInfo.append(CRLF);

        responseInfo.append(responseInfoBody.toString());

        return responseInfo.toString();
    }
}
bio-serversocket回复response

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