server3.java

java关于.net编程的一些简单实例

import java.net.*;
import java.io.*;
public class Server3 {
	private DataInputStream reader;
	private DataOutputStream writer;
	private ServerSocket server;
	private Socket socket;
	void startServer(){
		try{
			server=new ServerSocket(7777);
			while(true){
				System.out.println("等待客户机连接...");
				socket=server.accept();
				reader=new DataInputStream(socket.getInputStream());
				writer=new DataOutputStream(socket.getOutputStream());
				getcommand();
			}
		}catch(Exception e){}		
	}
	void getcommand(){
		try{
			while(true){
				String filename=reader.readUTF();
				writer.writeUTF(getFileInfo(filename));
				writer.flush();
			}
		}catch(Exception e){}
		finally{
			try{
				if(reader!=null)reader.close();
				if(socket!=null)socket.close();
				if(writer!=null)writer.close();
			}catch(Exception e){}
		}
	}
	String getFileInfo(String f){
		String finfo="";
		try{
			FileReader fr=new FileReader(f);
			BufferedReader br=new BufferedReader(fr);
			String temp;
			while((temp=reader.readLine())!=null)
				finfo+=temp+"\n";
		}catch(Exception e){}
		return finfo;
	}

	
	public static void main(String[] args) {
		Server3 serverObj=new Server3();
		serverObj.startServer();

	}

}