phttpd.java

一些学习java的练习作业 新手向参考资料

// 偄傫偪偒HTTP僒乕僶Phttpd.java
// 偙偺僾儘僌儔儉偼億乕僩斣崋80斣偱摦嶌偡傞僒乕僶偱偡
// 巊偄曽java Phttp 僨乕僞僼傽僀儖柤
// WWW僋儔僀傾儞僩偐傜偺愙懕偵懳偟,堷悢偱巜掕偟偨僼傽僀儖傪曉偟傑偡

// 儔僀僽儔儕偺棙梡
import java .io.* ;
import java.net.* ;
import java.util.* ;

// Phttpd僋儔僗
class Phttpd{
	public static void main(String args[]){
		// 僒乕僶僜働僢僩偺弨旛
		ServerSocket servsock = null ;
		Socket sock ;
		// 擖弌椡偺弨旛
		OutputStream out ;
		BufferedReader in ;
		FileInputStream infile = null;
		byte[] buff = new byte[1024];
		// 偦偺懠偺曄悢
		boolean cont = true ;
		int i ;

		try{
			// 僒乕僶梡僜働僢僩偺嶌惉乮億乕僩斣崋80斣乯
			servsock = new ServerSocket(80,300) ;
			while(true){
				sock = servsock.accept() ;// 愙懕梫媮偺庴晅
				// 愙懕愭偺昞帵
				System.out.println("愙懕梫媮"
					+ (sock.getInetAddress()).getHostName()) ;
				// 僆僽僕僃僋僩infile傪嶌傝,僼傽僀儖傪弨旛偟傑偡
				try{
					infile = new FileInputStream(args[0]) ;
				}
				catch(Exception e){
					// 僼傽僀儖弨旛偺幐攕
					System.err.println("僼傽僀儖偑偁傝傑偣傫") ;
					System.exit(1) ;
				}
				// 撉傒彂偒梡僆僽僕僃僋僩偺惗惉
				in = new BufferedReader(new
				InputStreamReader(sock.getInputStream()));
				out = sock.getOutputStream() ;
				// 偲傝偁偊偢夵峴傪俀偮撉傒旘偽偡
				for(i = 0; i < 2;++i)
					in.readLine() ;
				// 僼傽僀儖偺弌椡
				cont = true ;
				while(cont){
					// 僼傽僀儖偐傜偺撉傒崬傒偲僱僢僩儚乕僋弌椡
					try{
						int n = infile.read(buff);
						out.write(buff,0,n) ;
					}
					catch(Exception e){
						cont = false ;
					}
				}
				// 愙懕廔椆
				sock.close() ;
				infile.close() ;
			}
		}catch(IOException e){
			System.exit(1) ;
		}
	}
}