新功能：网络接口信息模块功能开发

    1、修改SimpleTcpServer中client的释放方法;
    2、增加获取所有网络接口名称功能。

QMNetwork/NetInterface/NetInterface.pri

+#---------------------------------------------------------
+# 功能：       获取设备网络信息
+# 编译器：
+#
+# @开发者     mhf
+# @邮箱       1603291350@qq.com
+# @时间       2022/04/21
+# @备注
+#---------------------------------------------------------
+
+FORMS += \
+    $$PWD/netproperty.ui
+
+HEADERS += \
+    $$PWD/netproperty.h
+
+SOURCES += \
+    $$PWD/netproperty.cpp

QMNetwork/NetInterface/netproperty.cpp

+#include "netproperty.h"
+#include "ui_netproperty.h"
+
+#include <qnetworkinterface.h>
+
+NetProperty::NetProperty(QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::NetProperty)
+{
+    ui->setupUi(this);
+    init();
+}
+
+NetProperty::~NetProperty()
+{
+    delete ui;
+}
+
+void NetProperty::init()
+{
+    // 获取所有网络接口
+    const QList<QNetworkInterface> interfaces = QNetworkInterface::allInterfaces();
+
+    ui->com_Interface->clear();
+    for(auto interface : interfaces)
+    {
+        qDebug() << interface.humanReadableName() << interface.name() << interface.type();
+        ui->com_Interface->addItem(interface.humanReadableName());       // 显示所有网络接口名称
+    }
+}

QMNetwork/NetInterface/netproperty.h

+#ifndef NETPROPERTY_H
+#define NETPROPERTY_H
+
+#include <QWidget>
+
+namespace Ui {
+class NetProperty;
+}
+
+class NetProperty : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit NetProperty(QWidget *parent = nullptr);
+    ~NetProperty();
+
+private:
+
+    void init();
+
+private:
+    Ui::NetProperty *ui;
+};
+
+#endif // NETPROPERTY_H

QMNetwork/NetInterface/netproperty.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>NetProperty</class>
+ <widget class="QWidget" name="NetProperty">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <widget class="QWidget" name="">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>30</y>
+     <width>341</width>
+     <height>22</height>
+    </rect>
+   </property>
+   <layout class="QHBoxLayout" name="horizontalLayout">
+    <item>
+     <widget class="QLabel" name="label">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
+      <property name="text">
+       <string>网络接口：</string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QComboBox" name="com_Interface"/>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

QMNetwork/SimpleNetWidget/simpletcpserver.cpp

@@ -73,9 +73,8 @@ void SimpleTcpServer::on_disconnected()
     disconnect(m_client, &QTcpSocket::disconnected, this, &SimpleTcpServer::on_disconnected);          // 断开绑定的信号槽
     disconnect(m_client, &QTcpSocket::readyRead, this, &SimpleTcpServer::on_readyRead);
     //delete m_client;                // 这里不能用delete，否则在vs里会报错 0x00007FFBF870A1CE (Qt5Networkd.dll)处(位于 QMNetwork.exe 中)引发的异常: 0xC0000005: 读取位置 0xFFFFFFFFFFFFFFFF 时发生访问冲突。
-    QTcpSocket* tcpSocket = m_client;
-    m_client = nullptr;              // 先将m_client置空，因为deleteLater不会置空
-    tcpSocket->deleteLater();        // 移除已经断开连接的Client（注意这里不能使用delete，否则在vs中会报错），但这种方式不会置为 空
+    m_client->deleteLater();        // 移除已经断开连接的Client（注意这里不能使用delete，否则在vs中会报错），但这种方式不会置为 空
+    m_client = nullptr;              
 }
 
 /**

QMNetwork/widget.cpp

@@ -28,6 +28,12 @@ Widget::~Widget()
  */
 void Widget::on_pushButton_clicked()
 {
+    if(m_netProperty)
+    {
+        delete m_netProperty;
+        m_netProperty = nullptr;
+    }
+
     // 简易版
     while (m_simpleTcpClients.count())
     {
@@ -144,3 +150,15 @@ void Widget::on_but_simpleUdpGroup_clicked()
     m_simpleUdpGroups.last()->show();
 }
 
+/**
+ * @brief 打开网络属性窗口
+ */
+void Widget::on_but_property_clicked()
+{
+    if(!m_netProperty)
+    {
+        m_netProperty = new NetProperty();
+    }
+    m_netProperty->show();
+}
+

QMNetwork/widget.h

@@ -11,7 +11,7 @@
 #include "simpleudpsocket1.h"
 #include "simpleudpsocket2.h"
 #include "simpleudpgroup.h"
-
+#include "netproperty.h"
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class Widget; }
@@ -44,8 +44,11 @@ private slots:
 
     void on_but_simpleUdpGroup_clicked();
 
+    void on_but_property_clicked();
+
 private:
     Ui::Widget *ui;
+    NetProperty* m_netProperty = nullptr;           // 网络属性窗口
     /******************简易版网络通信Demo********************/
     QList<SimpleTcpClient*> m_simpleTcpClients;     // 可打开任意多个TCP客户端
     QList<SimpleTcpServer*> m_simpleTcpServers;     // 可打开任意多个TCP服务端

QMNetwork/widget.ui

@@ -129,13 +129,26 @@
      <string>HTTP</string>
     </property>
    </widget>
+   <widget class="QPushButton" name="but_property">
+    <property name="geometry">
+     <rect>
+      <x>290</x>
+      <y>80</y>
+      <width>75</width>
+      <height>23</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>网络属性</string>
+    </property>
+   </widget>
   </widget>
   <widget class="QGroupBox" name="groupBox_2">
    <property name="geometry">
     <rect>
      <x>20</x>
      <y>160</y>
-     <width>461</width>
+     <width>471</width>
      <height>111</height>
     </rect>
    </property>