import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.OutputStream;

import java.io.PrintWriter;

import java.net.ServerSocket;

import java.net.Socket;

/**

 * 登录服务器

 * @author Administrator

 *

 */

public class LoginServerDemo {

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        int port = 20000;

        try {

            ServerSocket  ss = new ServerSocket(port);

            System.out.println("服务器已启动");

            Socket socket = ss.accept();

            System.out.println("有客户连接进来");

            InputStream in = socket.getInputStream();

            BufferedReader br =

                    new BufferedReader(new InputStreamReader(in));

            OutputStream out = socket.getOutputStream();

            PrintWriter pw = new PrintWriter(out);

            String str = null;

            String name = "";

            String pwd = "";

            while( (str = br.readLine()) != null ){

                String tag = str.split(":")[0];

                if(tag.equals("name")){

                    name = str.split(":")[1];

                }else if(tag.equals("pwd")){

                    pwd = str.split(":")[1];

                }

                if((!name.equals(""))&&(!pwd.equals(""))){

                    //进行登录判断

                    if(name.equals("zhangsan") && pwd.equals("123456")){

                        pw.println("true");

                    }else{

                        pw.println("false");

                    }

                    pw.flush();

                    break;

                }

            }

            socket.close();//关闭连接

            ss.close();//关闭服务器

            System.out.println("服务器已关闭");

        } catch (IOException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

    }

}

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.ObjectInputStream;

import java.io.OutputStream;

import java.io.PrintWriter;

import java.net.ServerSocket;

import java.net.Socket;

public class LoginObjectServerDemo {

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        int port = 20000;

        try {

            ServerSocket  ss = new ServerSocket(port);

            System.out.println("服务器已启动");

            Socket socket = ss.accept();

            System.out.println("有客户连接进来");

            InputStream in = socket.getInputStream();

            ObjectInputStream oin = new ObjectInputStream(in);

            OutputStream out = socket.getOutputStream();

            PrintWriter pw = new PrintWriter(out);

            String str = null;

            String name = "zhangsan";

            String pwd = "123456";

            //接收客户端登录消息

            Object obj = null;

            if((obj = oin.readObject())!= null){

                UserInfo ui = (UserInfo)obj;

                if(name.equals(ui.getUsername())&&pwd.equals(ui.getPassword())){

                    pw.println("true");

                }else{

                    pw.println("false");

                }

                pw.flush();

            }

            socket.close();//关闭连接

            ss.close();//关闭服务器

            System.out.println("服务器已关闭");

        } catch (IOException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } catch (ClassNotFoundException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

    }

}

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