找到一种兼容qml和c++的办法

App/App.pro

@@ -55,10 +55,12 @@ CONFIG += c++11 \
           warn_off
 
 SOURCES += \
+        commandmsg.cpp \
         main.cpp \
         mainwindow.cpp
 
 HEADERS += \
+        commandmsg.h \
         mainwindow.h
 
 # Default rules for deployment.

App/base.qml

@@ -2,7 +2,9 @@ import QtQuick 2.6
 import QtQuick.Controls 2.5
 
 //导入指令模块，这样就能发指令了
-import Drivers.LinkUI 1.0
+//import Drivers.LinkUI 1.0
+import CommandMsg 1.0
+
 
 Rectangle {
 
@@ -18,14 +20,10 @@ Rectangle {
     signal btnclicked_int(real param1, real param2, real param3, real param4, int x, int y, real z)
     signal btnclicked_long(real param1, real param2,  real param3, real param4, real param5, real param6, real param7)
 
-    /*
-    LinkUI {
-       id:linkui
-
-       setWindowTitle: "nini"
-
+    CommandMsg {
+        objectName: 'GetInfo'
+                id: data
     }
-    */
 
 
     Rectangle {
@@ -71,8 +69,8 @@ Rectangle {
             }
 
             onClicked: {
-                console.log("clicked")
                 btnclicked_int(0,0,0,0,0,0,0)
+                data.text = "ARM"
             }
         }
 
@@ -89,6 +87,9 @@ Rectangle {
         border.width:1
         color: "lightgreen"
 
+
+
+
         Text{
            anchors.centerIn: parent
            text: qsTr("TakeOff")
@@ -121,7 +122,7 @@ Rectangle {
             }
 
             onClicked: {
-                console.log("clicked")
+                data.text = "TakeOff"
             }
 
         }
@@ -172,7 +173,7 @@ Rectangle {
             }
 
             onClicked: {
-                console.log("clicked")
+                data.text = "Kill"
             }
 
         }

App/commandmsg.cpp

@@ -0,0 +1,27 @@
+#include "commandmsg.h"
+
+CommandMsg::CommandMsg()
+{
+
+}
+
+
+QString CommandMsg::text() const
+{
+    return m_text;
+}
+
+void CommandMsg::setText(const QString &text)
+{
+    m_text = text;
+    emit textChanged(m_text);
+}
+
+
+
+
+
+
+
+
+

App/commandmsg.h

@@ -0,0 +1,25 @@
+#ifndef COMMANDMSG_H
+#define COMMANDMSG_H
+
+#include <QObject>
+
+class CommandMsg : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QString text READ text WRITE setText)
+public:
+    CommandMsg();
+
+    QString text() const;
+    void setText(const QString &text);
+
+signals:
+    void textChanged(QString str);
+
+private:
+    QString m_text;
+
+
+};
+
+#endif // COMMANDMSG_H

App/main.cpp

@@ -110,9 +110,12 @@ void LoadLang(QApplication *a)
 void RegisterType(void)
 {
 
-    qmlRegisterModule("Drivers.LinkUI",1,0);
+    //qmlRegisterModule("Drivers.LinkUI",1,0);
+
+    //qmlRegisterType<LinkUI>("Drivers.LinkUI",1,0,"LinkUI");
+
+
 
-    qmlRegisterType<LinkUI>("Drivers.LinkUI",1,0,"LinkUI");
 
 }
 

App/mainwindow.cpp

@@ -70,6 +70,10 @@ MainWindow::MainWindow(QWidget *parent)
     copk = new Cockpit(this);
     copk->setGeometry(this->width() - copk->width(),0,300,340);
 
+
+    //作为一个位于本工程的类，是可以注册的
+    qmlRegisterType<CommandMsg>("CommandMsg", 1, 0, "CommandMsg");
+
     quick = new QQuickWidget(this);
     quick->setFocus();
     quick->setResizeMode(QQuickWidget::SizeRootObjectToView);
@@ -80,6 +84,19 @@ MainWindow::MainWindow(QWidget *parent)
     quick->show();
 
 
+    QObject *pRoot = (QObject*)quick->rootObject();
+    const QObjectList list = pRoot->children();
+
+    /*  这一段可以读取qml底下的第n个对象，例如CommandMsg位于第0个，所有读取第0个对象连接 */
+    m_data = static_cast<CommandMsg*>(list[0]);
+    qDebug() << list[0]->metaObject()->className();
+    qDebug() << list[0]->objectName();
+    connect(m_data, SIGNAL(textChanged(QString)), this, SLOT(textChanged(QString)));
+
+
+
+
+
     updateTimer = new QTimer();
 
     connect(updateTimer,&QTimer::timeout,
@@ -102,6 +119,22 @@ MainWindow::MainWindow(QWidget *parent)
 
 }
 
+void MainWindow::textChanged(const QString &str)
+{
+    QString currentData = QDateTime::currentDateTime().toString("hh:mm:ss") + " ";
+    currentData.append(str);
+    qDebug() << currentData;
+}
+
+
+
+
+
+
+
+
+
+
 MainWindow::~MainWindow()
 {
     map->close();

App/mainwindow.h

@@ -38,6 +38,14 @@
 #include "QQuickView"
 
 
+
+//cmd interface
+#include "commandmsg.h"
+
+
+
+
+
 QT_BEGIN_MOC_NAMESPACE
 
 #pragma execution_character_set("utf-8")
@@ -76,6 +84,12 @@ private slots:
 
     void updateUI();
 
+
+protected slots:
+    void textChanged(const QString &str);
+
+
+
 protected:
 
     Cockpit *copk;
@@ -101,6 +115,10 @@ protected:
 
     QTimer *updateTimer;
 
+
+    CommandMsg *m_data;
+
+
 };
 
 #endif // MAINWINDOW_H

dlink/dlink.h

@@ -69,6 +69,11 @@ protected:
 
 };
 
+
+
+
 QT_END_NAMESPACE
 
+
+
 #endif // DLINK_H

dlink/dlink.pro

@@ -9,8 +9,8 @@ TARGET = Dlink
 TEMPLATE = lib
 
 
-DEFINES += DLINK_LIBRARY
-
+DEFINES += DLINK_LIBRARY \
+           QtDlink
 
 CONFIG += c++11 \
           dll \
@@ -60,7 +60,7 @@ DESTDIR         = $$PWD/../thirdpart/lib
 MOC_DIR         = $$PWD/../build
 OBJECTS_DIR     = $$PWD/../build
 
-DEFINES         += QtDlink
+
 
 win32|win64  {
     src_dir = $$PWD\\*.h