QT 简易项目 网络调试器(未实现连接唯一性) QT5.12.3环境 C++实现

#include "widget.h" #include "ui_widget.h" Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget) { ui->setupUi(this); tcp_sock = new QTcpSocket(this); this->setWindowTitle("网络调试器客户端"); connect(tcp_sock,&QTcpSocket::readyRead,this,&Widget::ready_read_slot); } Widget::~Widget() { delete ui; } void Widget::on_start_button_clicked() { QString ip = ui->ip_edit->text(); QString port = ui->port_edit->text(); if(ui->start_button->text() == "连接"){ tcp_sock->connectToHost(ip,port.toUShort()); // 连接 if(tcp_sock->waitForConnected()){ ui->plainTextEdit->setPlainText("连接服务器成功..."); ui->start_button->setText("断开"); } else{ ui->plainTextEdit->setPlainText("连接服务器失败..."); } } else if(ui->start_button->text() == "断开"){ tcp_sock->close(); ui->plainTextEdit->appendPlainText("客户端断开成功...."); ui->start_button->setText("连接"); } } void Widget::ready_read_slot(){ QByteArray buf = tcp_sock->readAll(); QString data = QString::fromLocal8Bit(buf); ui->plainTextEdit->appendPlainText(QString("服务端发来数据 %1").arg(data)); } void Widget::on_send_button_clicked() { QString buf = ui->send_edit->text(); // 获取数据 tcp_sock->write(buf.toLocal8Bit()); ui->plainTextEdit->appendPlainText(QString("服务端发送数据 %1").arg(buf)); }