聊天室-服务端线程处理客户端信息

public class ServerThread extends  Thread {
    //需要处理的socket
    private Socket socket;
    //该线程对应的用户信息
    private User user;
    //新建读取信息缓存区
    public BufferedReader bufferedReader;
    //新建写入字符流
    public PrintWriter printWriter;

    //通过构造方法，初始化socket
    public ServerThread(Socket socket){
        this.socket=socket;
    }
    //该线程运行内容
    public void run(){

        try{
            //获得输入流，将数据载入缓存区
            bufferedReader=new BufferedReader(new InputStreamReader(socket.getInputStream()));
            //输出流,true为开启自动释放flush
            printWriter=new PrintWriter(socket.getOutputStream(),true);
            //欢迎词
            sentMessage(printWriter,"欢迎登入聊天室"+",当前在线用户个数："+ServerSide.clinets.size());
            System.out.println("-----------------进入用户登录阶段-----------------");
            //进行登录操作
            user=Login(bufferedReader,printWriter);
            //登录成功之后，再加入到线程列表中
            ServerSide.clinets.add(this);
            System.out.println("-----------------进入用户信息转发阶段-----------------");
            //登录完成后，进入该用户信息转发阶段
            forwardMessage(bufferedReader,user);
            System.out.println("-----------------进入用户退出阶段-----------------");

            //sentMessage(printWriter,"退出成功！");
            bufferedReader.close();
            printWriter.close();
            this.socket.close();
            //从列表删除该线程
            ServerSide.clinets.remove(this);
        }catch (Exception e){
            e.printStackTrace();
        }
    }


    /**
     * 信息转发阶段
     * @param bufferedReader
     * @return
     */
    public void forwardMessage(BufferedReader bufferedReader,User user){
        String clinetMessage=readMessage(bufferedReader);
        //Config.ExitCode为退出指令，为‘886’
        while (!Config.ExitCode.equals(clinetMessage)){
            for(int i=0;i<ServerSide.clinets.size();i++){
                ServerThread serverThread=ServerSide.clinets.get(i);
                //自身不需要发送数据
                if(serverThread!=this){
                    //获得对应的printWriter，发送短信
                    sentMessage(serverThread.printWriter,user.getName()+":"+clinetMessage);
                }
            }
            //等待下条数据
            clinetMessage=readMessage(bufferedReader);
        }
    }

    /**
     * 初始化登录环节
     * @param bufferedReader
     * @param printWriter
     * @return
     */
    public User Login(BufferedReader bufferedReader,PrintWriter printWriter){
        User user=new User();
        Boolean flag=false;
        while (!flag){
            sentMessage(printWriter,"请输入初始用户名：");
            String name=readMessage(bufferedReader);
            user.setName(name);
            sentMessage(printWriter,"请输入初始密码：");
            String psw=readMessage(bufferedReader);
            user.setPsw(psw);
            //校验账号密码
            flag=checkUser(user);
            //登录失败，返回结果
            if(!flag){
                sentMessage(printWriter,Config.LoginErrCode);
            }
        }
        //登录成功后，设置身份标示
        user.setId(UUID.randomUUID().toString());
        sentMessage(printWriter,Config.LoginSuccessCode);
        System.out.println(user.toString()+",登录成功！"+",当前在线用户个数："+ServerSide.clinets.size());
        return user;
    }

    /**
     * 检查用户是否正确
     * 这里固定了两个用户
     * @param user
     * @return
     */
    public Boolean checkUser(User user){
        if(("admin".equals(user.getName())&&"123456".equals(user.getPsw()))||
                ("root".equals(user.getName())&&"123456".equals(user.getPsw()))||
                     ("czg".equals(user.getName())&&"123456".equals(user.getPsw()))){
            return true;
        }
        return false;
    }

    /**
     * 读取信息
     * @param bufferedReader
     */
    public String readMessage(BufferedReader bufferedReader) {
        String clinetMessage="";
        try {
            clinetMessage= bufferedReader.readLine();
            String username=(user==null?"未登录用户":user.getName());
            System.out.println(username+"："+clinetMessage);
        }catch (Exception e){
            e.printStackTrace();
        }
        return clinetMessage;
    }

    /**
     * 发送信息
     * @param printWriter
     * @param message
     */
    public void sentMessage(PrintWriter printWriter,String message){
        printWriter.println(message);
        printWriter.flush();
    }
}

　　参考资料链接：https://blog.csdn.net/BlueSky_USC/article/details/54414860

public class ServerThread extends  Thread {
    //需要处理的socket
private Socket socket;
    //该线程对应的用户信息
private User user;
    //新建读取信息缓存区
public BufferedReader bufferedReader;
    //新建写入字符流
public PrintWriter printWriter;

    //通过构造方法，初始化socket
public ServerThread(Socket socket){
        this.socket=socket;
    }
    //该线程运行内容
public void run(){

        try{
            //获得输入流，将数据载入缓存区
bufferedReader=new BufferedReader(new InputStreamReader(socket.getInputStream()));
            //输出流,true为开启自动释放flush
printWriter=new PrintWriter(socket.getOutputStream(),true);
            //欢迎词
sentMessage(printWriter,"欢迎登入聊天室"+",当前在线用户个数："+ServerSide.clinets.size());
            System.out.println("-----------------进入用户登录阶段-----------------");
            //进行登录操作
user=Login(bufferedReader,printWriter);
            //登录成功之后，再加入到线程列表中
ServerSide.clinets.add(this);
            System.out.println("-----------------进入用户信息转发阶段-----------------");
            //登录完成后，进入该用户信息转发阶段
forwardMessage(bufferedReader,user);
            System.out.println("-----------------进入用户退出阶段-----------------");

            //sentMessage(printWriter,"退出成功！");
bufferedReader.close();
            printWriter.close();
            this.socket.close();
            //从列表删除该线程
ServerSide.clinets.remove(this);
        }catch (Exception e){
            e.printStackTrace();
        }
    }


    /**
     * 信息转发阶段
* @param bufferedReader
* @return
*/
public void forwardMessage(BufferedReader bufferedReader,User user){
        String clinetMessage=readMessage(bufferedReader);
        //Config.ExitCode为退出指令，为‘886’
while (!Config.ExitCode.equals(clinetMessage)){
            for(int i=0;i<ServerSide.clinets.size();i++){
                ServerThread serverThread=ServerSide.clinets.get(i);
                //自身不需要发送数据
if(serverThread!=this){
                    //获得对应的printWriter，发送短信
sentMessage(serverThread.printWriter,user.getName()+":"+clinetMessage);
                }
            }
            //等待下条数据
clinetMessage=readMessage(bufferedReader);
        }
    }

    /**
     * 初始化登录环节
* @param bufferedReader
* @param printWriter
* @return
*/
public User Login(BufferedReader bufferedReader,PrintWriter printWriter){
        User user=new User();
        Boolean flag=false;
        while (!flag){
            sentMessage(printWriter,"请输入初始用户名：");
            String name=readMessage(bufferedReader);
            user.setName(name);
            sentMessage(printWriter,"请输入初始密码：");
            String psw=readMessage(bufferedReader);
            user.setPsw(psw);
            //校验账号密码
flag=checkUser(user);
            //登录失败，返回结果
if(!flag){
                sentMessage(printWriter,Config.LoginErrCode);
            }
        }
        //登录成功后，设置身份标示
user.setId(UUID.randomUUID().toString());
        sentMessage(printWriter,Config.LoginSuccessCode);
        System.out.println(user.toString()+",登录成功！"+",当前在线用户个数："+ServerSide.clinets.size());
        return user;
    }

    /**
     * 检查用户是否正确
* 这里固定了两个用户
* @param user
* @return
*/
public Boolean checkUser(User user){
        if(("admin".equals(user.getName())&&"123456".equals(user.getPsw()))||
                ("root".equals(user.getName())&&"123456".equals(user.getPsw()))||
                     ("czg".equals(user.getName())&&"123456".equals(user.getPsw()))){
            return true;
        }
        return false;
    }

    /**
     * 读取信息
* @param bufferedReader
*/
public String readMessage(BufferedReader bufferedReader) {
        String clinetMessage="";
        try {
            clinetMessage= bufferedReader.readLine();
            String username=(user==null?"未登录用户":user.getName());
            System.out.println(username+"："+clinetMessage);
        }catch (Exception e){
            e.printStackTrace();
        }
        return clinetMessage;
    }

    /**
     * 发送信息
* @param printWriter
* @param message
*/
public void sentMessage(PrintWriter printWriter,String message){
        printWriter.println(message);
        printWriter.flush();
    }
}