From 10eacb1558212416c07f9df670e07a94361abe3c Mon Sep 17 00:00:00 2001
From: "ZTZHANG\\ztzhang" <zhangziteng@xinje.com>
Date: Fri, 25 Jul 2025 14:42:32 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=9E=E7=8E=B0=E4=B8=B2=E5=8F=A3=E8=BF=9E?=
 =?UTF-8?q?=E6=8E=A5=E6=8C=89=E9=92=AE=E7=9A=84=E5=8A=9F=E8=83=BD?=
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---
 Modbus/include/modbus.h |  7 +++--
 Modbus/src/modbus.cpp   | 68 +++++++++++++++++++++++++++++++++++------
 2 files changed, 63 insertions(+), 12 deletions(-)

diff --git a/Modbus/include/modbus.h b/Modbus/include/modbus.h
index 6a6e681..677281f 100644
--- a/Modbus/include/modbus.h
+++ b/Modbus/include/modbus.h
@@ -18,13 +18,16 @@ class Modbus : public QMainWindow
 public:
     Modbus(QWidget *parent = nullptr);
     ~Modbus();
-
+    // 创建串口对象指针
+    QSerialPort* serial;
+    // 获取可用串口列表
     QStringList get_avail_serialport();
 
 public slots:
     // 显示可用串口
     void init_serialport_client();
-
+    // 使用按钮打开串口
+    void serial_button_clicked();
 
 private:
     Ui::ModbusClass *ui;
diff --git a/Modbus/src/modbus.cpp b/Modbus/src/modbus.cpp
index 45e92b4..0e60d53 100644
--- a/Modbus/src/modbus.cpp
+++ b/Modbus/src/modbus.cpp
@@ -5,14 +5,33 @@ Modbus::Modbus(QWidget *parent)
     , ui(new Ui::ModbusClass())
 {
     ui->setupUi(this);
+
+    // 初始化串口指针
+    serial = new QSerialPort(this);
+    // 下拉框显示串口
     init_serialport_client();
+    // 连接按钮信号
+    connect(
+        ui->serialOpenButton, 
+        &QPushButton::clicked,
+        this,
+        &Modbus::serial_button_clicked
+    );
 }
 
 Modbus::~Modbus()
 {
+    // 删除串口指针
+    if (serial->isOpen())
+    {
+        serial->close();
+    }
+    delete serial;
+
     delete ui;
 }
 
+
 // 实现下拉框显示串口
 void Modbus::init_serialport_client()
 {
@@ -23,20 +42,49 @@ void Modbus::init_serialport_client()
 QStringList Modbus::get_avail_serialport()
 {
     // 下拉框串口
-    QStringList list_avail_serialport;
+    QStringList listAvailSerialPort;
 
     // 遍历可用串口
-    foreach(const QSerialPortInfo & info, QSerialPortInfo::availablePorts())
+    foreach(const QSerialPortInfo& info, QSerialPortInfo::availablePorts())
     {
-        // 串口
-        QSerialPort serial;
-        serial.setPort(info);
-        // 显示串口名
-        if (serial.open(QIODevice::ReadWrite))
+        serial->setPort(info);
+        // 使用ReadWrite模式打开串口成功，则加入列表
+        if (serial->open(QIODevice::ReadWrite))
         {
-            list_avail_serialport.append(serial.portName());
-            serial.close();
+            listAvailSerialPort.append(serial->portName());
+            serial->close();
         }
     }
-    return list_avail_serialport;
+    return listAvailSerialPort;
 }
+
+// 使用按钮打开串口
+void Modbus::serial_button_clicked()
+{
+    // 获取选中的串口号
+    QString portSelected = ui->serialBox->currentText();
+
+    // 判断是否打开
+    if (serial->isOpen())
+    {
+        serial->close();
+    }
+
+    // 配置串口参数
+    serial->setPortName(portSelected);
+    serial->setBaudRate(QSerialPort::Baud9600);
+    serial->setDataBits(QSerialPort::Data8);
+    serial->setParity(QSerialPort::EvenParity);
+    serial->setStopBits(QSerialPort::OneStop);
+    serial->setFlowControl(QSerialPort::NoFlowControl);
+
+    // 尝试打开串口
+    if (serial->open(QIODevice::ReadWrite))
+    {
+        ui->serialLogLabel->setText("Success");
+    }
+    else
+    {
+        ui->serialLogLabel->setText("Failure");
+    }
+}
\ No newline at end of file