最简单的Http服务器之java版

只支持单线程,只能接收一个请求

我想加以改进，让它可以接收多个请求

注释我就不加了

可以参考用winsock版，好像java的更简单

?

import java.io.*;

import java.net.*;

import java.util.*;

public class WebServer{

? public static void main(String []args)throws Exception{

??? String requestMessageLine;

??? String fileName;

??? ServerSocket listenSocket=new ServerSocket(80);

??? Socket connectSocket=listenSocket.accept();

??? BufferedReader inFormClient=new BufferedReader(new

??????? InputStreamReader(connectSocket.getInputStream()));

??? DataOutputStream outToClient=new

??????? DataOutputStream(connectSocket.getOutputStream());

??? requestMessageLine=inFormClient.readLine();

??? StringTokenizer tokenizedLine=new StringTokenizer(requestMessageLine);

??? if(tokenizedLine.nextToken().equals("GET")){

????? fileName=tokenizedLine.nextToken();

????? if(fileName.startsWith("/")==true){

??????? fileName=fileName.substring(1);

????? }

????? String filePath=new String("D:\\Java\\httpserver\\classes\\");

????? File file=new File(filePath+ fileName);

????? int numOfBytes=(int)file.length();

????? FileInputStream inFile=new FileInputStream(filePath+fileName);

????? byte []fileInBytes=new byte[numOfBytes];

????? inFile.read(fileInBytes);

????? outToClient.writeBytes("HTTP/1.0 200 Document Follows\r\n");

????? if(fileName.endsWith(".jpg")){

???????? outToClient.writeBytes("Conten-Type: image/jpeg\r\n");

????? }

????? else if(fileName.endsWith(".gif")){

???????? outToClient.writeBytes("Conten-Type: image/gif\r\n");

????? }

????? outToClient.writeBytes("Content-Length: " + numOfBytes + "\r\n");

????? outToClient.writeBytes("\r\n");

????? outToClient.write(fileInBytes,0,numOfBytes);

????? connectSocket.close();

??? }

??? else{

????? System.out.println("No support for other request except GET!");

??? }

? }

}