Qt Remote Object（QtRO）动态Replica实现进程间通信Demo

#include "mainwidget.h" #include "ui_mainwidget.h" MainWidget::MainWidget(QWidget *parent) : QWidget(parent), ui(new Ui::MainWidget) { ui->setupUi(this); this->setWindowTitle("This is Client"); init(); ui->textEdit->setReadOnly(true); } MainWidget::~MainWidget() { delete ui; } void MainWidget::init() { m_pRemoteNode = new QRemoteObjectNode(this); m_pRemoteNode->connectToNode(QUrl("local:interfaces")); // m_pInterface = m_pRemoteNode->acquire<CommonInterfaceReplica>(); m_pInterface = m_pRemoteNode->acquireDynamic("Interfaces1");//动态获取 //只有Replica初始化好了才能真正使用它，要不然connect无效 connect(m_pInterface, &QRemoteObjectDynamicReplica::initialized, this, &MainWidget::onInitConnect); } /** * @brief MainWidget::onReceiveMsg * @param msg * 接收服务器下发的消息 */ void MainWidget::onReceiveMsg(QString msg) { ui->textEdit->append(QString("Server:") + msg); } void MainWidget::on_pushButton_clicked() { QString msg = ui->lineEdit->text(); if(!msg.isEmpty()){ // m_pInterface->onMessage(msg); //调用槽发送消息给服务器 emit sigSendMsg(msg); } ui->textEdit->append(QString("Client:") + msg); ui->lineEdit->clear(); } void MainWidget::on_lineEdit_returnPressed() { on_pushButton_clicked(); } void MainWidget::onInitConnect() { qDebug() << "--->>>Lynn<<<---" << __FUNCTION__; connect(m_pInterface,SIGNAL(sigMessage(QString)), this,SLOT(onReceiveMsg(QString))); connect(this,SIGNAL(sigSendMsg(QString)), m_pInterface,SLOT(onMessage(QString))); }