import?java.net.*;?
import?java.io.*;?
import?java.util.*;??
public?class?WebServer{?
???public?static?void?main（String?args[]）throws?Exception?{?
???ServerSocket?listenSocket?=?new?ServerSocket（6789）;
???System.out.println（“httpServer?running?on?port?“?+?
???listenSocket.getLocalPort（））;??
?????while（true）?{??
???????try?{Socket?socket?=?listenSocket.accept（）;
???????Thread?thread?=?new?Thread（new?RequestHandler（socket））;??
???????thread.start（）;?}//啟動線程
???????catch（Exception?e）{}
????????}?
?????}?
}?
class?RequestHandler?implements?Runnable?{?
????Socket?connectionSocket;?
????OutputStream?outToClient;?
????BufferedReader?inFormClient;
????String?requestMessageLine;
	String?fileName;
????//?構造方法?
????public?RequestHandler（Socket?connectionSocket）?throws?Exception?{?
????this.connectionSocket?=?connectionSocket;?
?????}??????????????
????public?void?run（）{?//?實現Runnable?接口的run（）方法
????try?{?processRequest（）;}?
????catch（Exception?e）?{?System.out.println（e）;}?
?????}?
????private?void?processRequest（）?throws?Exception?{?
????????//讀取并顯示Web?瀏覽器提交的請求信息?
????????BufferedReader?inFormClient?=?
????????new?BufferedReader（?new?InputStreamReader（?connectionSocket.getInputStream（）?）?）;
????????DataOutputStream?outToClient?=?new?DataOutputStream（
??????????	connectionSocket.getOutputStream（））;
????????//讀取html請求報文第一行
????????requestMessageLine?=?inFormClient.readLine（）;
????????//解析請求報文文件名
????????StringTokenizer?tokenizerLine?=????//tokenizerLine對象是最初請求行
????????new?StringTokenizer（requestMessageLine）;
????????????if?（tokenizerLine.nextToken（）.equals（“GET“））{
??????????	???fileName?=?tokenizerLine.nextToken（）;
????????????if?（fileName.startsWith（“/“）==true）?fileName?=?fileName.substring（1）;
??????????	File?file?=?new?File（fileName）;
????????????int?numOfBytes?=?（int）file.length（）;
??????????	FileInputStream?inFile?=?new?FileInputStream（fileName）;
??????????	byte[]?fileInBytes?=?new?byte[numOfBytes];?
??????????	inFile.read（fileInBytes）;
????????????//構造http響應報文
????????????outToClient.writeBytes（“HTTP/1.0?200?Document?Follow\r\n“）;
????????????if（fileName.endsWith（“.jpg“））
??????????	??outToClient.writeBytes（“Content-type:image/jpeg\r\n“）;
??????????	if（fileName.endsWith（“.gif“））
??????????		outToClient.writeBytes（“Content-type:image/gif\r\n“）;
????????????????outToClient.writeBytes（“Content-type:“?+?“numOfBytes“?+?“\r\n“）;
??????????	????outToClient.writeBytes（“\r\n“）;
??????????	????outToClient.write（fileInBytes0numOfBytes）;
??????????	????connectionSocket.close（）;
???????????????}
??????????	else?System.out.println（“Bed?Request?Message“）;
????}?
}?

?屬性????????????大小?????日期????時間???名稱
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?????文件????????226??2008-11-30?15:39??多線程Web服務器\.classpath

?????文件????????397??2008-11-30?15:39??多線程Web服務器\.project

?????文件??????68053??2008-11-30?16:06??多線程Web服務器\images\123.jpg

?????文件????????173??2008-11-28?22:53??多線程Web服務器\index.html

?????文件???????2576??2008-11-30?15:53??多線程Web服務器\RequestHandler.class

?????文件???????1195??2008-11-30?15:53??多線程Web服務器\WebServer.class

?????文件???????2719??2008-12-12?12:30??多線程Web服務器\WebServer.java

?????文件??????89600??2008-12-12?12:31??多線程Web服務器\多線程web服務器.doc

?????目錄??????????0??2008-12-12?10:55??多線程Web服務器\images

?????目錄??????????0??2008-12-12?12:31??多線程Web服務器

-----------?---------??----------?-----??----

???????????????164939????????????????????10