NetworkUtil接管

SmartGreenhouse.pro

@@ -15,12 +15,14 @@ DEFINES += QT_DEPRECATED_WARNINGS
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
 SOURCES += \
+    cnetworkutil.cpp \
     main.cpp \
     mainmenu.cpp \
     sql.cpp \
     submenu.cpp
 
 HEADERS += \
+    cnetworkutil.h \
     mainmenu.h \
     sql.h \
     submenu.h

SmartGreenhouse.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.11.1, 2022-01-20T14:36:46. -->
+<!-- Written by QtCreator 4.11.1, 2022-01-20T16:57:37. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
@@ -287,19 +287,19 @@
     </valuelist>
     <value type="int" key="PE.EnvironmentAspect.Base">2</value>
     <valuelist type="QVariantList" key="PE.EnvironmentAspect.Changes"/>
-    <value type="QString" key="ProjectExplorer.CustomExecutableRunConfiguration.Executable"></value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">Qt4ProjectManager.Qt4RunConfiguration:C:/Users/sn04058/Desktop/qt/smart-greenhouse/SmartGreenhouse.pro</value>
-    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.CustomExecutableRunConfiguration</value>
+    <value type="QString" key="ProjectExplorer.RunConfiguration.BuildKey">C:/Users/sn04058/Desktop/qt/smart-greenhouse/SmartGreenhouse.pro</value>
-    <value type="QString" key="ProjectExplorer.RunConfiguration.BuildKey"></value>
     <value type="QString" key="RunConfiguration.Arguments"></value>
     <value type="bool" key="RunConfiguration.Arguments.multi">false</value>
     <value type="QString" key="RunConfiguration.OverrideDebuggerStartup"></value>
     <value type="bool" key="RunConfiguration.UseCppDebugger">false</value>
     <value type="bool" key="RunConfiguration.UseCppDebuggerAuto">true</value>
+    <value type="bool" key="RunConfiguration.UseLibrarySearchPath">true</value>
     <value type="bool" key="RunConfiguration.UseMultiProcess">false</value>
     <value type="bool" key="RunConfiguration.UseQmlDebugger">false</value>
     <value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
     <value type="QString" key="RunConfiguration.WorkingDirectory"></value>
-    <value type="QString" key="RunConfiguration.WorkingDirectory.default"></value>
+    <value type="QString" key="RunConfiguration.WorkingDirectory.default">C:/Users/sn04058/Desktop/qt/build-SmartGreenhouse-Desktop_Qt_5_14_2_MinGW_64_bit-Debug</value>
    </valuemap>
    <value type="int" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
   </valuemap>

cnetworkutil.cpp

@@ -0,0 +1,89 @@
+#include "cnetworkutil.h"
+
+
+/*
+* TODO:
+*   1、receive buffer
+*   2、receive callback（connect signal & slot）
+*   3、buffer reader
+*/
+
+
+//这是一个全局变量
+CNetWorkUtil *networkUtil = new CNetWorkUtil;
+
+//构造函数是空的
+CNetWorkUtil::CNetWorkUtil()
+{
+
+}
+
+//以默认参数连接 ip 127.0.0.1 port 8080
+void CNetWorkUtil::connect()
+{
+    //qDebug(this->m_ip.toUtf8());
+    this->m_tcpSocket.connectToHost(this->m_ip,this->m_port);
+}
+
+//连接指定参数网址
+void CNetWorkUtil::connect(QString ip, int port)
+{
+    this->setIp(ip);
+    this->setPort(port);
+    this->connect();
+}
+
+//设置连接的ip
+void CNetWorkUtil::setIp(QString ip)
+{
+    this->m_ip = ip;
+}
+
+//获取当前连接的ip
+QString CNetWorkUtil::getIp()
+{
+    return this->m_ip;
+}
+
+//设置端口号
+void CNetWorkUtil::setPort(int port)
+{
+    this->m_port = port;
+}
+
+//获取当前连接的端口号
+int CNetWorkUtil::getPort()
+{
+    return this->m_port;
+}
+
+//判断当前是否连接
+bool CNetWorkUtil::isConnected()
+{
+    return this->m_tcpSocket.state() == QAbstractSocket::ConnectingState;
+}
+
+//断开网络
+void CNetWorkUtil::disconnect()
+{
+    //断开连接断开关联
+    this->m_tcpSocket.disconnect(&this->m_tcpSocket, SIGNAL(connected()), nullptr, nullptr);
+    this->m_tcpSocket.disconnect(&this->m_tcpSocket, SIGNAL(disconnected()), nullptr, nullptr);
+
+    this->m_tcpSocket.disconnectFromHost();
+    this->m_tcpSocket.close();
+}
+
+
+//获取tcpSocket对象
+QTcpSocket &CNetWorkUtil::getTcpSocket()
+{
+    return this->m_tcpSocket;
+}
+
+
+//发送消息
+void CNetWorkUtil::sendMsg(QString msg)
+{
+    this->m_tcpSocket.write(msg.toUtf8(),strlen(msg.toUtf8()));
+}

cnetworkutil.h

@@ -0,0 +1,41 @@
+#ifndef CNETWORKUTIL_H
+#define CNETWORKUTIL_H
+
+#include <QMainWindow>
+#include <QObject>
+#include <QWidget>
+
+#include <QTcpSocket>       //
+#include <QHostAddress>     //地址格式
+#include <QDebug>
+
+
+class CNetWorkUtil
+{
+    //Q_OBJECT
+
+private:
+    QTcpSocket m_tcpSocket;
+    int m_port = 8080;
+    QString m_ip = "127.0.0.1";
+
+
+public:
+    CNetWorkUtil();
+    void connect();
+    void connect(QString ip,int port);
+    void setIp(QString ip);
+    QString getIp();
+    void setPort(int port);
+    int getPort();
+    bool isConnected();
+    void disconnect();
+    QTcpSocket & getTcpSocket();
+    void sendMsg(QString msg);
+
+};
+
+
+extern CNetWorkUtil *networkUtil;
+
+#endif // CNETWORKUTIL_H

main.cpp

@@ -1,11 +1,31 @@
 #include "mainmenu.h"
 
+#include "cnetworkutil.h"
+
 #include <QApplication>
 
+void showConnected()
+{
+    if(networkUtil->isConnected())
+    {
+        qDebug("connected");
+    }
+    else
+    {
+        qDebug("unconnected");
+    }
+
+}
+
+
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
     MainMenu w;
+
+    showConnected();
+    //networkUtil->connect("192.168.72.129",8888);
+    showConnected();
     w.show();
     return a.exec();
 }

mainmenu.cpp

@@ -1,6 +1,6 @@
 #include "mainmenu.h"
 #include "ui_mainmenu.h"
-
+#include <QMetaMethod>
 MainMenu::MainMenu(QWidget *parent)
     : QMainWindow(parent)
     , ui(new Ui::MainMenu)
@@ -30,12 +30,14 @@ void MainMenu::on_pushButton_clicked()
 {
     tcpSocket = new QTcpSocket;
     QString ip = ui->lineEdit_3->text();
-    tcpSocket->connectToHost(ip,7777);
+    int port = ui->lePort->text().toInt();
+    networkUtil->connect(ip,port);
+    if(networkUtil->isConnected())
+    {
+        connect(&networkUtil->getTcpSocket(), SIGNAL(connected()), this, SLOT(show_connected()));
+        connect(&networkUtil->getTcpSocket(), SIGNAL(disconnected()), this, SLOT(show_disconnected()));
+    }
 
-
-
-    connect(tcpSocket, SIGNAL(connected()), this, SLOT(show_connected()));
-    connect(tcpSocket, SIGNAL(disconnected()), this, SLOT(show_disconnected()));
 }
 
 void MainMenu::on_checkBox_stateChanged(int arg1)
@@ -56,24 +58,21 @@ void MainMenu::on_checkBox_stateChanged(int arg1)
 }
 void MainMenu::show_connected()
 {
-    int ret = QMessageBox::information(this, tr("👨‍👩‍👦‍👦 登录成功"),tr("点击取消退出连接"),
+    int ret = QMessageBox::information(this, tr("👨‍👩‍👦‍👦 登录成功"),
+                                       tr("点击取消退出连接"),
                                        QMessageBox::Ok,
                                        QMessageBox::Cancel);
     if(ret == QMessageBox::Cancel)
     {
-        //        tcpSocket->disconnected();
+        networkUtil->disconnect();
-        delete tcpSocket;
         return;
     }
     else {
-
-
         //跳转到子界面
         submenu *SubWindow = new submenu;
-        connect(SubWindow,SIGNAL(widget_close()),this,SLOT(subWindowClosed() ));
+        connect(SubWindow,SIGNAL(widget_close()),this,SLOT(subWindowClosed()));
         SubWindow->show();
         this->hide();
-//        this->close();
     }
 
 }
@@ -87,12 +86,6 @@ void MainMenu::show_disconnected()
     }
     if(ret == QMessageBox::No)
     {
-        //        退出处理？
-        //        if(tcpSocket)
-        //        {
-        //            delete tcpSocket;
-        //        }
-        //        Sleep(20);
         return;
     }
     else if(ret == QMessageBox::Yes)
@@ -113,5 +106,6 @@ void MainMenu::Sleep(int msec)
 void MainMenu::subWindowClosed()
 {
     show();
-    tcpSocket->close();
+    networkUtil->disconnect();
+    //tcpSocket->close();
 }

mainmenu.h

@@ -10,6 +10,7 @@
 #include <QTime>
 
 #include "submenu.h"
+#include "cnetworkutil.h"
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainMenu; }

mainmenu.ui

@@ -17,131 +17,152 @@
    <property name="focusPolicy">
     <enum>Qt::WheelFocus</enum>
    </property>
-   <layout class="QGridLayout" name="gridLayout">
+   <widget class="QWidget" name="">
-    <item row="0" column="1">
+    <property name="geometry">
-     <spacer name="verticalSpacer">
+     <rect>
-      <property name="orientation">
+      <x>9</x>
-       <enum>Qt::Vertical</enum>
+      <y>9</y>
-      </property>
+      <width>793</width>
-      <property name="sizeHint" stdset="0">
+      <height>533</height>
-       <size>
+     </rect>
-        <width>20</width>
+    </property>
-        <height>204</height>
+    <layout class="QGridLayout" name="gridLayout">
-       </size>
+     <item row="0" column="1">
-      </property>
+      <spacer name="verticalSpacer">
-     </spacer>
+       <property name="orientation">
-    </item>
+        <enum>Qt::Vertical</enum>
-    <item row="1" column="0">
+       </property>
-     <spacer name="horizontalSpacer_2">
+       <property name="sizeHint" stdset="0">
-      <property name="orientation">
+        <size>
-       <enum>Qt::Horizontal</enum>
+         <width>17</width>
-      </property>
+         <height>201</height>
-      <property name="sizeHint" stdset="0">
+        </size>
-       <size>
+       </property>
-        <width>254</width>
+      </spacer>
-        <height>20</height>
+     </item>
-       </size>
+     <item row="1" column="0">
-      </property>
+      <spacer name="horizontalSpacer_2">
-     </spacer>
+       <property name="orientation">
-    </item>
+        <enum>Qt::Horizontal</enum>
-    <item row="1" column="1">
+       </property>
-     <layout class="QVBoxLayout" name="verticalLayout_3">
+       <property name="sizeHint" stdset="0">
-      <item>
+        <size>
-       <layout class="QHBoxLayout" name="horizontalLayout_2">
+         <width>251</width>
-        <item>
+         <height>17</height>
-         <layout class="QVBoxLayout" name="verticalLayout_2">
+        </size>
-          <item>
+       </property>
-           <widget class="QLabel" name="label">
+      </spacer>
-            <property name="text">
+     </item>
-             <string>账户：</string>
+     <item row="1" column="1" rowspan="2" colspan="2">
-            </property>
+      <layout class="QVBoxLayout" name="verticalLayout_3">
-           </widget>
+       <item>
-          </item>
+        <layout class="QHBoxLayout" name="horizontalLayout_3">
-          <item>
+         <item>
-           <widget class="QLabel" name="label_2">
+          <layout class="QVBoxLayout" name="verticalLayout_2">
-            <property name="text">
+           <item>
-             <string>密码：</string>
+            <widget class="QLabel" name="label">
-            </property>
+             <property name="text">
-           </widget>
+              <string>账户：</string>
-          </item>
+             </property>
-          <item>
+            </widget>
-           <widget class="QLabel" name="label_3">
+           </item>
-            <property name="text">
+           <item>
-             <string>IP：</string>
+            <widget class="QLabel" name="label_2">
-            </property>
+             <property name="text">
-           </widget>
+              <string>密码：</string>
-          </item>
+             </property>
-         </layout>
+            </widget>
-        </item>
+           </item>
-        <item>
+           <item>
-         <layout class="QVBoxLayout" name="verticalLayout">
+            <widget class="QLabel" name="label_3">
-          <item>
+             <property name="text">
-           <widget class="QLineEdit" name="lineEdit_2"/>
+              <string>IP：</string>
-          </item>
+             </property>
-          <item>
+            </widget>
-           <widget class="QLineEdit" name="lineEdit"/>
+           </item>
-          </item>
+          </layout>
-          <item>
+         </item>
-           <widget class="QLineEdit" name="lineEdit_3">
+         <item>
-            <property name="text">
+          <layout class="QVBoxLayout" name="verticalLayout">
-             <string>172.16.3.135</string>
+           <item>
-            </property>
+            <widget class="QLineEdit" name="lineEdit_2"/>
-           </widget>
+           </item>
-          </item>
+           <item>
-         </layout>
+            <widget class="QLineEdit" name="lineEdit"/>
-        </item>
+           </item>
-       </layout>
+           <item>
-      </item>
+            <layout class="QHBoxLayout" name="horizontalLayout_2">
-      <item>
+             <item>
-       <layout class="QHBoxLayout" name="horizontalLayout">
+              <widget class="QLineEdit" name="lineEdit_3">
-        <item>
+               <property name="text">
-         <widget class="QPushButton" name="pushButton">
+                <string>127.0.0.1</string>
-          <property name="text">
+               </property>
-           <string>登录</string>
+              </widget>
-          </property>
+             </item>
-         </widget>
+             <item>
-        </item>
+              <widget class="QLineEdit" name="lePort">
-        <item>
+               <property name="text">
-         <widget class="QCheckBox" name="checkBox">
+                <string>8888</string>
-          <property name="layoutDirection">
+               </property>
-           <enum>Qt::RightToLeft</enum>
+              </widget>
-          </property>
+             </item>
-          <property name="text">
+            </layout>
-           <string>显示密码</string>
+           </item>
-          </property>
+          </layout>
-         </widget>
+         </item>
-        </item>
+        </layout>
-       </layout>
+       </item>
-      </item>
+       <item>
-     </layout>
+        <layout class="QHBoxLayout" name="horizontalLayout">
-    </item>
+         <item>
-    <item row="1" column="2">
+          <widget class="QPushButton" name="pushButton">
-     <spacer name="horizontalSpacer">
+           <property name="text">
-      <property name="orientation">
+            <string>登录</string>
-       <enum>Qt::Horizontal</enum>
+           </property>
-      </property>
+          </widget>
-      <property name="sizeHint" stdset="0">
+         </item>
-       <size>
+         <item>
-        <width>254</width>
+          <widget class="QCheckBox" name="checkBox">
-        <height>20</height>
+           <property name="layoutDirection">
-       </size>
+            <enum>Qt::RightToLeft</enum>
-      </property>
+           </property>
-     </spacer>
+           <property name="text">
-    </item>
+            <string>显示密码</string>
-    <item row="2" column="1">
+           </property>
-     <spacer name="verticalSpacer_2">
+          </widget>
-      <property name="orientation">
+         </item>
-       <enum>Qt::Vertical</enum>
+        </layout>
-      </property>
+       </item>
-      <property name="sizeHint" stdset="0">
+      </layout>
-       <size>
+     </item>
-        <width>20</width>
+     <item row="2" column="3">
-        <height>204</height>
+      <spacer name="horizontalSpacer">
-       </size>
+       <property name="orientation">
-      </property>
+        <enum>Qt::Horizontal</enum>
-     </spacer>
+       </property>
-    </item>
+       <property name="sizeHint" stdset="0">
-   </layout>
+        <size>
+         <width>254</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item row="3" column="2">
+      <spacer name="verticalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>20</width>
+         <height>204</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </widget>
   </widget>
   <widget class="QMenuBar" name="menubar">
    <property name="geometry">