新功能：增加QT网络通信模块

    1、具体功能待完成。

QMDemo.pro

@@ -13,6 +13,8 @@ SUBDIRS += QMWidget                       # qt自定义窗口
 SUBDIRS += DeviceManagement               # 串口、鼠标、键盘热插拔检测模块
 SUBDIRS += QLog                           # 自定义日志系统
 SUBDIRS += QMPlayer                       # 视频播放器界面
+SUBDIRS += QMNetwork                      # Qt网络通信程序Demo
+
 win32 {
 SUBDIRS += TestCrashHandler               # windows下Qt程序崩溃问题定位Demo（只在msvc编译下有效）
 }

QMNetwork/QMNetwork.pro

+#---------------------------------------------------------
+# 功能：       Qt网络通信程序Demo
+# 编译器：
+#
+# @开发者     mhf
+# @邮箱       1603291350@qq.com
+# @时间       2022/04/07
+# @备注
+#---------------------------------------------------------
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++11
+
+# You can make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+    main.cpp \
+    widget.cpp
+
+HEADERS += \
+    widget.h
+
+FORMS += \
+    widget.ui
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target

QMNetwork/main.cpp

+#include "widget.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    Widget w;
+    w.show();
+    return a.exec();
+}

QMNetwork/widget.cpp

+#include "widget.h"
+#include "ui_widget.h"
+
+Widget::Widget(QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::Widget)
+{
+    ui->setupUi(this);
+}
+
+Widget::~Widget()
+{
+    delete ui;
+}
+

QMNetwork/widget.h

+#ifndef WIDGET_H
+#define WIDGET_H
+
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class Widget; }
+QT_END_NAMESPACE
+
+class Widget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    Widget(QWidget *parent = nullptr);
+    ~Widget();
+
+private:
+    Ui::Widget *ui;
+};
+#endif // WIDGET_H

QMNetwork/widget.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Widget</class>
+ <widget class="QWidget" name="Widget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>588</width>
+    <height>466</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Widget</string>
+  </property>
+  <widget class="QPushButton" name="pushButton">
+   <property name="geometry">
+    <rect>
+     <x>40</x>
+     <y>30</y>
+     <width>75</width>
+     <height>23</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>TCP客户端</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_2">
+   <property name="geometry">
+    <rect>
+     <x>120</x>
+     <y>30</y>
+     <width>75</width>
+     <height>23</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>TCP服务端</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_3">
+   <property name="geometry">
+    <rect>
+     <x>40</x>
+     <y>70</y>
+     <width>75</width>
+     <height>23</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>UDP客户端</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_4">
+   <property name="geometry">
+    <rect>
+     <x>120</x>
+     <y>70</y>
+     <width>75</width>
+     <height>23</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>UDP服务端</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_5">
+   <property name="geometry">
+    <rect>
+     <x>40</x>
+     <y>110</y>
+     <width>75</width>
+     <height>23</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>UDP组播</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_6">
+   <property name="geometry">
+    <rect>
+     <x>40</x>
+     <y>150</y>
+     <width>75</width>
+     <height>23</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>MQTT</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_7">
+   <property name="geometry">
+    <rect>
+     <x>40</x>
+     <y>180</y>
+     <width>75</width>
+     <height>23</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>HTTP</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>