ServerThread

package java_learning;

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.Socket;

/*
 * 服务器线程处理类
 */
public class ServerThread extends Thread {
    // 和本线程相关的Socket
    Socket socket = null;

    public ServerThread(Socket socket) {
        this.socket = socket;
    }

    //线程执行的操作,响应客户端的请求
    public void run(){
        InputStream is=null;
        InputStreamReader isr=null;
        BufferedReader br=null;
        OutputStream os=null;
        PrintWriter pw=null;
        try {
            //获取输入流,并读取客户端信息
            is = socket.getInputStream();
            isr = new InputStreamReader(is);
            br = new BufferedReader(isr);
            String info=null;
            while((info=br.readLine())!=null){//循环读取客户端的信息
                System.out.println("我是服务器,客户端说:"+info);
            }
            socket.shutdownInput();//关闭输入流
            //获取输出流,响应客户端的请求
            os = socket.getOutputStream();
            pw = new PrintWriter(os);
            pw.write("欢迎您,wangry!");
            pw.flush();//调用flush()方法将缓冲输出
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }finally{
            //关闭资源
            try {
                if(pw!=null)
                    pw.close();
                if(os!=null)
                    os.close();
                if(br!=null)
                    br.close();
                if(isr!=null)
                    isr.close();
                if(is!=null)
                    is.close();
                if(socket!=null)
                    socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

 

#include "mainwindow.h" #include "ui_mainwindow.h" #include "tcpservercontroller.h" #include <QMetaObject> #include <QMessageBox> #include <QListWidgetItem> #include <QTime> #include <QDebug> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { ui->setupUi(this); //打印主线程地址 qDebug() << "主线程地址:" << QThread::currentThread(); appendMessage(QString("主线程地址: 0x%1").arg(reinterpret_cast<quintptr>(QThread::currentThread()), 0, 16)); qRegisterMetaType<qintptr>("qintptr"); qRegisterMetaType<QAbstractSocket::SocketError>("QAbstractSocket::SocketError"); // 初始化服务器控制器和线程 serverController = new TcpServerController(); serverThread = new QThread(this); // 打印serverThread地址 qDebug() << "serverThread地址:" << serverThread; appendMessage(QString("serverThread地址: 0x%1").arg(reinterpret_cast<quintptr>(serverThread), 0, 16)); // 打印serverController所在线程地址(移动前) qDebug() << "serverController移动前所在线程:" << serverController->thread(); appendMessage(QString("serverController移动前所在线程: 0x%1") .arg(reinterpret_cast<quintptr>(serverController->thread()), 0, 16)); // 将服务器控制器移动到新线程 serverController->moveToThread(serverThread); // 打印serverController所在线程地址(移动后) qDebug() << "serverController移动后所在线程:" << serverController->thread(); appendMessage(QString("serverController移动后所在线程: 0x%1") .arg(reinterpret_cast<quintptr>(serverController->thread()), 0, 16)); // 连接信号槽 connect(serverController, &TcpServerController::newMessage, this, &MainWindow::appendMessage); connect(serverController, &TcpServerController::clientConnected, this, &MainWindow::clientConnected); connect(serverController, &TcpServerController::clientDisconnected, this, &MainWindow::clientDisconnected); // 启动线程 serverThread->start(); appendMessage("主线程ID: " + QString::number((quint64)QThread::currentThreadId(), 16)); } MainWindow::~MainWindow() { if(serverRunning) { on_startStopButton_clicked(); // 如果服务器正在运行,则停止它 } serverThread->quit(); serverThread->wait(); delete serverController; delete ui; } void MainWindow::on_startStopButton_clicked() { if(!serverRunning) { quint16 port = static_cast<quint16>(ui->portSpinBox->value()); // 通过线程安全的信号调用服务器启动 QMetaObject::invokeMethod(serverController, [this, port]() { if(serverController->startServer(port)) { serverRunning = true; ui->startStopButton->setText("停止服务器"); appendMessage("服务器已启动"); } }, Qt::QueuedConnection); } else { // 通过线程安全的信号调用服务器停止 QMetaObject::invokeMethod(serverController, &TcpServerController::stopServer, Qt::QueuedConnection); serverRunning = false; ui->startStopButton->setText("启动服务器"); appendMessage("服务器已停止"); // 清空客户端列表 clients.clear(); ui->clientList->clear(); } } void MainWindow::appendMessage(const QString &msg) { ui->logArea->append(QTime::currentTime().toString("[HH:mm:ss] ") + msg); } void MainWindow::clientConnected(qintptr descriptor) { QString clientInfo = QString("客户端 %1").arg(descriptor); clients[descriptor] = clientInfo; updateClientList(); appendMessage(clientInfo + " 已连接"); } void MainWindow::clientDisconnected(qintptr descriptor) { if(clients.contains(descriptor)) { QString clientInfo = clients[descriptor]; clients.remove(descriptor); updateClientList(); appendMessage(clientInfo + " 已断开"); } } void MainWindow::updateClientList() { ui->clientList->clear(); for(const QString &client : clients.values()) { ui->clientList->addItem(client); } } 解析这段代码
06-11
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