对变量名和函数名进行了修改

modbus.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.0.3, 2025-07-30T09:27:42. -->
+<!-- Written by QtCreator 4.0.3, 2025-07-30T17:14:20. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>

mymodbus.cpp

@@ -20,9 +20,9 @@
 MyModbus::MyModbus()
 {
     this->stationAddress_ = 1;         // 默认站地址
-        this->functionCode_ = 0x01;    // 默认功能码(读线圈)
-        this->startAdress_ = 256;      // 默认起始地址
-        this->length_ = 1;             // 默认数据长度
+    this->functionCode_ = 0x01;    // 默认功能码(读线圈)
+    this->startAdress_ = 256;      // 默认起始地址
+    this->length_ = 1;             // 默认数据长度
 }
 
 /**

mymodbus.h

@@ -35,14 +35,6 @@
 
 class MyModbus
 {
-private:
-    quint16 stationAddress_;   // 从站地址
-    quint16 functionCode_;     // 功能码
-    quint16 startAdress_;      // 起始地址
-    quint16 length_;           // 数据长度
-    QByteArray sendCommand_;   // 待发送的命令报文
-    QByteArray receive_;       // 接收到的响应报文
-
 public:
     /**
      * @brief 默认构造函数
@@ -123,6 +115,14 @@ public:
      */
     bool CrcCheck(const QByteArray &data);
 
+private:
+    quint16 stationAddress_;   // 从站地址
+    quint16 functionCode_;     // 功能码
+    quint16 startAdress_;      // 起始地址
+    quint16 length_;           // 数据长度
+    QByteArray sendCommand_;   // 待发送的命令报文
+    QByteArray receive_;       // 接收到的响应报文
+
 };
 
 #endif // MYMODBUS_H

serialcommunicator.cpp

@@ -48,7 +48,19 @@ SerialCommunicator::SerialCommunicator(QObject *parent) : QObject(parent)
  */
 SerialCommunicator::~SerialCommunicator()
 {
+    //停止所有定时器，避免在对象销毁后触发定时器事件
+    if (recvTimer_->isActive())
+    {
+        recvTimer_->stop();
+    }
+    if (resendTimer_->isActive())
+    {
+        resendTimer_->stop();
+    }
     close();
+    delete recvTimer_;
+    delete resendTimer_;
+    delete serialPort_;
 }
 
 /**
@@ -61,10 +73,10 @@ SerialCommunicator::~SerialCommunicator()
  *
  * @note 此方法应在打开串口前调用，设置值将在下次open()时生效
  */
-void SerialCommunicator::setPortParams(const QString &portName, qint32 baudRate,
-                                     QSerialPort::DataBits dataBits,
-                                     QSerialPort::Parity parity,
-                                     QSerialPort::StopBits stopBits)
+void SerialCommunicator::setPortParams(QString portName, qint32 baudRate,
+                                       QSerialPort::DataBits dataBits,
+                                       QSerialPort::Parity parity,
+                                       QSerialPort::StopBits stopBits)
 {
     this->portName_ = portName;
     this->baudRate_ = baudRate;
@@ -228,12 +240,12 @@ void SerialCommunicator::onReadyRead()
 }
 
 /**
- * @brief 接收完成超时处理
+ * @brief 数据接收完成处理
  *
  * @details 执行流程：
- *          1. 发送dataReceived信号包含完整数据
- *          2. 清空接收缓冲区
- *          3. 停止重发定时器（表示已收到响应）
+ *          1. 停止重发定时器（表示已收到响应）
+ *          2. 发送dataReceived信号包含完整数据
+ *          3. 清空接收缓冲区
  */
 void SerialCommunicator::onRecvTimeout()
 {

serialcommunicator.h

@@ -60,7 +60,7 @@ public:
      * @param stopBits 停止位(通常为QSerialPort::OneStop)
      * @note 此方法应在打开串口前调用
      */
-    void setPortParams(const QString &portName_, qint32 baudRate_,
+    void setPortParams(QString portName_, qint32 baudRate_,
                       QSerialPort::DataBits dataBits_,
                       QSerialPort::Parity parity_,
                       QSerialPort::StopBits stopBits_);

widget.cpp

@@ -42,6 +42,14 @@ Widget::Widget(QWidget *parent) :
     serialComm_->setResendTimeout(1000);  // 重发间隔1s
 
     // 连接信号槽（串口->界面）
+    connect(ui_->btn_connect, &QPushButton::clicked, this, &Widget::btnConnectClicked);
+    connect(ui_->btn_write, &QPushButton::clicked, this, &Widget::onBtnWriteClicked);
+    connect(ui_->btn_read, &QPushButton::clicked, this, &Widget::onBtnReadClicked);
+    connect(ui_->btn_clear_read, &QPushButton::clicked, this, &Widget::onBtnClearreadClicked);
+    connect(ui_->btn_clear_date, &QPushButton::clicked, this, &Widget::onBtnCleardateClicked);
+    connect(ui_->btn_save_date, &QPushButton::clicked, this, &Widget::onBtnSavedateClicked);
+    connect(ui_->btn_read_date, &QPushButton::clicked, this, &Widget::onBtnReaddateClicked);
+    connect(ui_->btn_refresh, &QPushButton::clicked, this, &Widget::onBtnRefreshClicked);
     //当串口接收到完整数据后，SerialCommunicator会发出dataReceived信号
     connect(serialComm_, &SerialCommunicator::dataReceived, this, &Widget::onSerialDataReceived);
     //当串口状态改变时，SerialCommunicator会发出statusChanged信号
@@ -50,9 +58,9 @@ Widget::Widget(QWidget *parent) :
     connect(serialComm_, &SerialCommunicator::timeoutOccurred, this, &Widget::onSerialTimeout);
     //当串口连接出现错误时(例如串口突然断开)，SerialCommunicator会发出physicalDisconnected信号
     connect(serialComm_, &SerialCommunicator::physicalDisconnected, this, [=](){
-        ui_->btnConnect->setText("连接");
+        ui_->btn_connect->setText("连接");
         ui_->btn_read->setEnabled(false);
-        ui_->pushWrite->setEnabled(false);
+        ui_->btn_write->setEnabled(false);
         QMessageBox::warning(this, "警告", "串口已断开连接");
     });
 
@@ -62,8 +70,8 @@ Widget::Widget(QWidget *parent) :
     ui_->comboBox_xiaoyan->setCurrentIndex(2);
 
     //串口未连接前锁定读取和写入按钮
-    ui_->btn_read->setEnabled(0);
-    ui_->pushWrite->setEnabled(0);
+    ui_->btn_read->setEnabled(false);
+    ui_->btn_write->setEnabled(false);
 
     //检查当前可用串口
     QList<QSerialPortInfo> serialList = QSerialPortInfo::availablePorts();
@@ -92,9 +100,9 @@ Widget::~Widget()
  * 连接时读取界面配置的串口参数并尝试打开串口。
  * 成功连接后启用读写按钮，断开后禁用读写按钮。
  */
-void Widget::on_btnConnect_clicked()
+void Widget::btnConnectClicked()
 {
-    if (ui_->btnConnect->text() == "连接")
+    if (ui_->btn_connect->text() == "连接")
     {
         // 获取界面配置的串口参数
         QString portName = ui_->comboBox_serialNum->currentText();
@@ -114,9 +122,9 @@ void Widget::on_btnConnect_clicked()
         serialComm_->setPortParams(portName, baudRate, dataBits, parity, stopBits);
         if (serialComm_->open())
         {
-            ui_->btnConnect->setText("断开");
+            ui_->btn_connect->setText("断开");
             ui_->btn_read->setEnabled(true);
-            ui_->pushWrite->setEnabled(true);
+            ui_->btn_write->setEnabled(true);
         }
         else
         {
@@ -127,9 +135,9 @@ void Widget::on_btnConnect_clicked()
     {
         // 断开串口
         serialComm_->close();
-        ui_->btnConnect->setText("连接");
+        ui_->btn_connect->setText("连接");
         ui_->btn_read->setEnabled(false);
-        ui_->pushWrite->setEnabled(false);
+        ui_->btn_write->setEnabled(false);
     }
 
 }
@@ -141,7 +149,7 @@ void Widget::on_btnConnect_clicked()
  * 验证输入数据格式，生成Modbus命令并发送。
  * 操作期间禁用读写按钮防止重复操作。
  */
-void Widget::on_pushWrite_clicked()
+void Widget::onBtnWriteClicked()
 {
     switch (ui_->comboBox_gongnengma->currentIndex())    //判断当前功能码
     {
@@ -190,8 +198,8 @@ void Widget::on_pushWrite_clicked()
 
         serialComm_->sendData(modbus_->SendCommand());  //发送生成的命令报文
         //锁定按钮
-        ui_->btn_read->setEnabled(0);
-        ui_->pushWrite->setEnabled(0);
+        ui_->btn_read->setEnabled(false);
+        ui_->btn_write->setEnabled(false);
 
         break;
     }
@@ -239,11 +247,11 @@ void Widget::on_pushWrite_clicked()
             }
             else
             {
-                // 默认按十六进制处理
+                // 若输入数值不是十进制则按十六进制处理
                 v = s.toUShort(&ok, 16);
                 if (!ok)
                 {
-                    QMessageBox::warning(this, "提示", "请输入正确的十六进制值（0-FFFF），或检查逗号格式");
+                    QMessageBox::warning(this, "提示", "请输入正确的10进制或16进制值(0-FFFF)，或检查逗号格式");
                     return;
                 }
             }
@@ -268,8 +276,8 @@ void Widget::on_pushWrite_clicked()
 
         serialComm_->sendData(modbus_->SendCommand());  //发送生成的命令报文
         //锁定按钮
-        ui_->btn_read->setEnabled(0);
-        ui_->pushWrite->setEnabled(0);
+        ui_->btn_read->setEnabled(false);
+        ui_->btn_write->setEnabled(false);
 
         break;
     }
@@ -289,7 +297,7 @@ void Widget::on_pushWrite_clicked()
  * 根据当前选择的功能码发送读线圈或读寄存器请求。
  * 生成Modbus命令并发送，操作期间禁用读写按钮。
  */
-void Widget::on_btn_read_clicked()
+void Widget::onBtnReadClicked()
 {
     //若当前操作设置错误则进行提示
     if (ui_->comboBox_gongnengma->currentIndex() == 2 ||
@@ -318,8 +326,8 @@ void Widget::on_btn_read_clicked()
 
     serialComm_->sendData(modbus_->SendCommand());  //发送生成的命令报文
     //锁定按钮
-    ui_->btn_read->setEnabled(0);
-    ui_->pushWrite->setEnabled(0);
+    ui_->btn_read->setEnabled(false);
+    ui_->btn_write->setEnabled(false);
 
 }
 
@@ -328,7 +336,7 @@ void Widget::on_btn_read_clicked()
  *
  * 调用外部函数保存通信历史到文件。
  */
-void Widget::on_btn_SaveDate_clicked()
+void Widget::onBtnSavedateClicked()
 {
     SaveDate(this,ui_->textEdit_2);
 }
@@ -338,7 +346,7 @@ void Widget::on_btn_SaveDate_clicked()
  *
  * 调用外部函数从文件加载通信历史。
  */
-void Widget::on_btn_ReadDate_clicked()
+void Widget::onBtnReaddateClicked()
 {
     ReadDate(this,ui_->textEdit_2);
 }
@@ -346,7 +354,7 @@ void Widget::on_btn_ReadDate_clicked()
 /**
  * @brief 清空状态通知文本框
  */
-void Widget::on_btn_ClearDate_clicked()
+void Widget::onBtnCleardateClicked()
 {
     ui_->textEdit_2->clear();
 }
@@ -354,7 +362,7 @@ void Widget::on_btn_ClearDate_clicked()
 /**
  * @brief 清空数据读取文本框
  */
-void Widget::on_btn_ClearRead_clicked()
+void Widget::onBtnClearreadClicked()
 {
     ui_->textEdit->clear();
 }
@@ -371,7 +379,7 @@ void Widget::onSerialDataReceived(const QByteArray &data)
     QByteArray revMessage = modbus_->Receive(data);  // 接收的原始数据交给Modbus解析
     // 启用操作按钮
     ui_->btn_read->setEnabled(true);
-    ui_->pushWrite->setEnabled(true);
+    ui_->btn_write->setEnabled(true);
     if (revMessage.isEmpty())
     {
         //若modbus检测响应报文格式错误则丢弃数据，返回值为空
@@ -445,5 +453,20 @@ void Widget::onSerialTimeout()
 {
     QMessageBox::warning(this, "提示", "等待响应超时，请检查设备");
     ui_->btn_read->setEnabled(true);
-    ui_->pushWrite->setEnabled(true);
+    ui_->btn_write->setEnabled(true);
+}
+
+/**
+ * @brief 检测当前可用串口
+ *
+ * 检查可用串口并填充到下拉框。
+ */
+void Widget::onBtnRefreshClicked()
+{
+    ui_->comboBox_serialNum->clear();
+    QList<QSerialPortInfo> serialList = QSerialPortInfo::availablePorts();
+    for(QSerialPortInfo serialInfo : serialList)
+    {
+        ui_->comboBox_serialNum->addItem(serialInfo.portName());
+    }
 }

widget.h

@@ -46,25 +46,25 @@ public:
 
 private slots:
     //连接/断开串口按钮槽函数
-    void on_btnConnect_clicked();
+    void btnConnectClicked();
 
     //发送写数据命令报文按钮槽函数
-    void on_pushWrite_clicked();
+    void onBtnWriteClicked();
 
     //发送读数据命令报文按钮槽函数
-    void on_btn_read_clicked();
+    void onBtnReadClicked();
 
     //保存历史通信数据按钮槽函数
-    void on_btn_SaveDate_clicked();
+    void onBtnSavedateClicked();
 
     //读取历史通信数据按钮槽函数
-    void on_btn_ReadDate_clicked();
+    void onBtnReaddateClicked();
 
     //清空当前通信数据文本框按钮槽函数
-    void on_btn_ClearDate_clicked();
+    void onBtnCleardateClicked();
 
     //清空解析数据文本框按钮槽函数
-    void on_btn_ClearRead_clicked();
+    void onBtnClearreadClicked();
 
     /**
      * @brief 串口数据接收槽函数
@@ -81,6 +81,8 @@ private slots:
     // 串口通信超时处理槽函数
     void onSerialTimeout();
 
+    void onBtnRefreshClicked();
+
 private:
     Ui::Widget *ui_;                      // 指向用户界面的指针
     SerialCommunicator *serialComm_;      // 串口通信处理对象

widget.ui

@@ -38,7 +38,7 @@
      <string>读</string>
     </property>
    </widget>
-   <widget class="QPushButton" name="pushWrite">
+   <widget class="QPushButton" name="btn_write">
     <property name="geometry">
      <rect>
       <x>90</x>
@@ -51,12 +51,12 @@
      <string>写</string>
     </property>
    </widget>
-   <widget class="QWidget" name="">
+   <widget class="QWidget" name="layoutWidget">
     <property name="geometry">
      <rect>
       <x>10</x>
       <y>20</y>
-      <width>151</width>
+      <width>159</width>
       <height>151</height>
      </rect>
     </property>
@@ -143,154 +143,167 @@
      <x>30</x>
      <y>19</y>
      <width>181</width>
-     <height>221</height>
+     <height>231</height>
     </rect>
    </property>
    <property name="title">
     <string>串口配置</string>
    </property>
-   <layout class="QFormLayout" name="formLayout">
-    <item row="0" column="0">
-     <layout class="QGridLayout" name="gridLayout">
-      <item row="0" column="0">
-       <widget class="QLabel" name="label">
+   <widget class="QWidget" name="">
+    <property name="geometry">
+     <rect>
+      <x>10</x>
+      <y>20</y>
+      <width>161</width>
+      <height>205</height>
+     </rect>
+    </property>
+    <layout class="QGridLayout" name="gridLayout">
+     <item row="0" column="0">
+      <widget class="QLabel" name="label">
+       <property name="text">
+        <string>串口</string>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="1">
+      <widget class="QComboBox" name="comboBox_serialNum"/>
+     </item>
+     <item row="1" column="0">
+      <widget class="QLabel" name="label_2">
+       <property name="text">
+        <string>波特率</string>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="1">
+      <widget class="QComboBox" name="comboBox_baudRate">
+       <item>
         <property name="text">
-         <string>串口</string>
+         <string>1200</string>
         </property>
-       </widget>
-      </item>
-      <item row="0" column="1">
-       <widget class="QComboBox" name="comboBox_serialNum"/>
-      </item>
-      <item row="1" column="0">
-       <widget class="QLabel" name="label_2">
+       </item>
+       <item>
         <property name="text">
-         <string>波特率</string>
+         <string>2400</string>
         </property>
-       </widget>
-      </item>
-      <item row="1" column="1">
-       <widget class="QComboBox" name="comboBox_baudRate">
-        <item>
-         <property name="text">
-          <string>1200</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>2400</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>4800</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>9600</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>19200</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>38400</string>
-         </property>
-        </item>
-       </widget>
-      </item>
-      <item row="2" column="0">
-       <widget class="QLabel" name="label_3">
+       </item>
+       <item>
         <property name="text">
-         <string>数据位</string>
+         <string>4800</string>
         </property>
-       </widget>
-      </item>
-      <item row="2" column="1">
-       <widget class="QComboBox" name="comboBox_dataBit">
-        <item>
-         <property name="text">
-          <string>5</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>6</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>7</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>8</string>
-         </property>
-        </item>
-       </widget>
-      </item>
-      <item row="3" column="0">
-       <widget class="QLabel" name="label_7">
+       </item>
+       <item>
         <property name="text">
-         <string>校验位</string>
+         <string>9600</string>
         </property>
-       </widget>
-      </item>
-      <item row="3" column="1">
-       <widget class="QComboBox" name="comboBox_xiaoyan">
-        <item>
-         <property name="text">
-          <string>无校验(N)</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>奇校验(O)</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>偶校验(E)</string>
-         </property>
-        </item>
-       </widget>
-      </item>
-      <item row="4" column="0">
-       <widget class="QLabel" name="label_8">
+       </item>
+       <item>
         <property name="text">
-         <string>停止位</string>
+         <string>19200</string>
         </property>
-       </widget>
-      </item>
-      <item row="4" column="1">
-       <widget class="QComboBox" name="comboBox_stopBit">
-        <item>
-         <property name="text">
-          <string>1</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>2</string>
-         </property>
-        </item>
-       </widget>
-      </item>
-      <item row="5" column="0" colspan="2">
-       <widget class="QPushButton" name="btnConnect">
+       </item>
+       <item>
         <property name="text">
-         <string>连接</string>
+         <string>38400</string>
         </property>
-       </widget>
-      </item>
-     </layout>
-    </item>
-   </layout>
+       </item>
+      </widget>
+     </item>
+     <item row="2" column="0">
+      <widget class="QLabel" name="label_3">
+       <property name="text">
+        <string>数据位</string>
+       </property>
+      </widget>
+     </item>
+     <item row="2" column="1">
+      <widget class="QComboBox" name="comboBox_dataBit">
+       <item>
+        <property name="text">
+         <string>5</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>6</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>7</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>8</string>
+        </property>
+       </item>
+      </widget>
+     </item>
+     <item row="3" column="0">
+      <widget class="QLabel" name="label_7">
+       <property name="text">
+        <string>校验位</string>
+       </property>
+      </widget>
+     </item>
+     <item row="3" column="1">
+      <widget class="QComboBox" name="comboBox_xiaoyan">
+       <item>
+        <property name="text">
+         <string>无校验(N)</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>奇校验(O)</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>偶校验(E)</string>
+        </property>
+       </item>
+      </widget>
+     </item>
+     <item row="4" column="0">
+      <widget class="QLabel" name="label_8">
+       <property name="text">
+        <string>停止位</string>
+       </property>
+      </widget>
+     </item>
+     <item row="4" column="1">
+      <widget class="QComboBox" name="comboBox_stopBit">
+       <item>
+        <property name="text">
+         <string>1</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>2</string>
+        </property>
+       </item>
+      </widget>
+     </item>
+     <item row="5" column="0" colspan="2">
+      <widget class="QPushButton" name="btn_connect">
+       <property name="text">
+        <string>连接</string>
+       </property>
+      </widget>
+     </item>
+     <item row="6" column="0" colspan="2">
+      <widget class="QPushButton" name="btn_refresh">
+       <property name="text">
+        <string>检测可用串口</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </widget>
   </widget>
   <widget class="QGroupBox" name="groupBox_3">
    <property name="geometry">
@@ -394,28 +407,28 @@
    </property>
    <layout class="QHBoxLayout" name="horizontalLayout">
     <item>
-     <widget class="QPushButton" name="btn_ClearRead">
+     <widget class="QPushButton" name="btn_clear_read">
       <property name="text">
        <string>清空读取信息</string>
       </property>
      </widget>
     </item>
     <item>
-     <widget class="QPushButton" name="btn_ClearDate">
+     <widget class="QPushButton" name="btn_clear_date">
       <property name="text">
        <string>清空收发信息</string>
       </property>
      </widget>
     </item>
     <item>
-     <widget class="QPushButton" name="btn_ReadDate">
+     <widget class="QPushButton" name="btn_read_date">
       <property name="text">
        <string>读取历史收发信息</string>
       </property>
      </widget>
     </item>
     <item>
-     <widget class="QPushButton" name="btn_SaveDate">
+     <widget class="QPushButton" name="btn_save_date">
       <property name="text">
        <string>保存收发信息</string>
       </property>