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WebServer.java 用JAVA编写Web服务器
//WebServer.java 用JAVA编写Web服务器import java.io.*;import .*;public class WebServer{ public static void main(String args[]) { int i=1, PORT=8080; ServerSocket server=nul
//WebServer.java 用JAVA编写Web服务器
import java.io.*;
import .*;
public class WebServer
{
public static void main(String args[])
{
int i=1, PORT=8080;
ServerSocket server=null;
Socket client=null;
try
{
server=new ServerSocket(PORT);
System.out.println(Web Server is listening on port +server.getLocalPort());
for (;;)
{
client=server.accept(); //接受客户机的连接请求
new ConnectionThread(client,i).start();
i++;
}
}
catch (Exception e) {System.out.println(e);}
}
}
/* ConnnectionThread类完成与一个Web浏览器的通信 */
class ConnectionThread extends Thread
{
Socket client; //连接Web浏览器的socket字
int counter; //计数器
public ConnectionThread(Socket cl,int c)
{
client=cl;
counter=c;
}
public void run() //线程体
{
try
{
String destIP=client.getInetAddress().toString(); //客户机IP地址
int destport=client.getPort(); //客户机端口号
System.out.println(Connection +counter+:connected to +destIP+ on port +destport+.);
PrintStream outstream=new PrintStream(client.getOutputStream());
DataInputStream instream=new DataInputStream(client.getInputStream());
String inline=instream.readLine(); //读取Web浏览器提交的请求信息
System.out.println(Received:+inline);
if (getrequest(inline))
{ //如果是GET请求
String filename=getfilename(inline);
File file=new File(filename);
if (file.exists())
{ //若文件存在，则将文件送给Web浏览器
System.out.println(filename+ requested.);
outstream.println(HTTP/1.0 200 OK);
outstream.println(MIME_version:1.0);
outstream.println(Content_Type:text/html);
int len=(int)file.length();
outstream.println(Content_Length:+len);
out
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