一、界面预览
二、实现源码
from PyQt6 import QtCore, QtGui, QtWidgets
from PyQt6 import QtSerialPort
import PyQt6
from PyQt6.QtCore import QIODevice,QIODeviceBase
from PyQt6.QtCore import QDate, QTime, QDateTime, Qt
class Ui_Form(object):
def setupUi(self, Form):
Form.setObjectName("Form")
Form.resize(791, 627)
self.form = Form
self.gridLayout_3 = QtWidgets.QGridLayout(Form)
self.gridLayout_3.setObjectName("gridLayout_3")
self.verticalLayout_3 = QtWidgets.QVBoxLayout()
self.verticalLayout_3.setObjectName("verticalLayout_3")
self.horizontalLayout_4 = QtWidgets.QHBoxLayout()
self.horizontalLayout_4.setObjectName("horizontalLayout_4")
self.groupBox_2 = QtWidgets.QGroupBox(Form)
self.groupBox_2.setObjectName("groupBox_2")
self.gridLayout_4 = QtWidgets.QGridLayout(self.groupBox_2)
self.gridLayout_4.setObjectName("gridLayout_4")
self.textBrowser = QtWidgets.QTextBrowser(self.groupBox_2)
self.textBrowser.setObjectName("textBrowser")
self.gridLayout_4.addWidget(self.textBrowser, 0, 0, 1, 1)
self.horizontalLayout_4.addWidget(self.groupBox_2)
self.groupBox = QtWidgets.QGroupBox(Form)
self.groupBox.setObjectName("groupBox")
self.gridLayout = QtWidgets.QGridLayout(self.groupBox)
self.gridLayout.setObjectName("gridLayout")
self.horizontalLayout_2 = QtWidgets.QHBoxLayout()
self.horizontalLayout_2.setObjectName("horizontalLayout_2")
self.label_2 = QtWidgets.QLabel(self.groupBox)
self.label_2.setObjectName("label_2")
self.horizontalLayout_2.addWidget(self.label_2)
self.comboBoxBaudrate = QtWidgets.QComboBox(self.groupBox)
self.comboBoxBaudrate.setObjectName("comboBoxBaudrate")
self.horizontalLayout_2.addWidget(self.comboBoxBaudrate)
self.horizontalLayout_2.setStretch(0, 1)
self.horizontalLayout_2.setStretch(1, 3)
self.gridLayout.addLayout(self.horizontalLayout_2, 1, 0, 1, 1)
self.horizontalLayout = QtWidgets.QHBoxLayout()
self.horizontalLayout.setObjectName("horizontalLayout")
self.label = QtWidgets.QLabel(self.groupBox)
self.label.setObjectName("label")
self.horizontalLayout.addWidget(self.label)
self.comboBoxSerialPort = QtWidgets.QComboBox(self.groupBox)
self.comboBoxSerialPort.setObjectName("comboBoxSerialPort")
self.horizontalLayout.addWidget(self.comboBoxSerialPort)
self.horizontalLayout.setStretch(0, 1)
self.horizontalLayout.setStretch(1, 3)
self.gridLayout.addLayout(self.horizontalLayout, 0, 0, 1, 1)
self.horizontalLayout_3 = QtWidgets.QHBoxLayout()
self.horizontalLayout_3.setObjectName("horizontalLayout_3")
self.label_3 = QtWidgets.QLabel(self.groupBox)
self.label_3.setObjectName("label_3")
self.horizontalLayout_3.addWidget(self.label_3)
self.btnOpenClose = QtWidgets.QPushButton(self.groupBox)
self.btnOpenClose.setObjectName("btnOpenClose")
self.horizontalLayout_3.addWidget(self.btnOpenClose)
self.horizontalLayout_3.setStretch(0, 1)
self.horizontalLayout_3.setStretch(1, 3)
self.gridLayout.addLayout(self.horizontalLayout_3, 2, 0, 1, 1)
spacerItem = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Policy.Minimum, QtWidgets.QSizePolicy.Policy.Expanding)
self.gridLayout.addItem(spacerItem, 3, 0, 1, 1)
self.horizontalLayout_4.addWidget(self.groupBox)
self.horizontalLayout_4.setStretch(0, 5)
self.horizontalLayout_4.setStretch(1, 3)
self.verticalLayout_3.addLayout(self.horizontalLayout_4)
self.groupBox_3 = QtWidgets.QGroupBox(Form)
self.groupBox_3.setObjectName("groupBox_3")
self.gridLayout_2 = QtWidgets.QGridLayout(self.groupBox_3)
self.gridLayout_2.setObjectName("gridLayout_2")
self.horizontalLayout_5 = QtWidgets.QHBoxLayout()
self.horizontalLayout_5.setObjectName("horizontalLayout_5")
self.textEdit = QtWidgets.QTextEdit(self.groupBox_3)
self.textEdit.setObjectName("textEdit")
self.horizontalLayout_5.addWidget(self.textEdit)
self.verticalLayout = QtWidgets.QVBoxLayout()
self.verticalLayout.setObjectName("verticalLayout")
self.btnSend = QtWidgets.QPushButton(self.groupBox_3)
self.btnSend.setMinimumSize(QtCore.QSize(0, 50))
self.btnSend.setObjectName("btnSend")
self.verticalLayout.addWidget(self.btnSend)
self.btnClear = QtWidgets.QPushButton(self.groupBox_3)
self.btnClear.setMinimumSize(QtCore.QSize(0, 50))
self.btnClear.setObjectName("btnClear")
self.verticalLayout.addWidget(self.btnClear)
self.horizontalLayout_5.addLayout(self.verticalLayout)
self.horizontalLayout_5.setStretch(0, 5)
self.horizontalLayout_5.setStretch(1, 1)
self.gridLayout_2.addLayout(self.horizontalLayout_5, 0, 0, 1, 1)
self.verticalLayout_3.addWidget(self.groupBox_3)
self.verticalLayout_3.setStretch(0, 4)
self.verticalLayout_3.setStretch(1, 2)
self.gridLayout_3.addLayout(self.verticalLayout_3, 0, 0, 1, 1)
self.textBrowser.setLineWrapMode(QtWidgets.QTextBrowser.LineWrapMode.WidgetWidth)
self.paraInit()
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form)
def paraInit(self):
availablePorts = QtSerialPort.QSerialPortInfo.availablePorts()
self.comboBoxSerialPort.clear()
for port in availablePorts:
self.comboBoxSerialPort.addItem(port.portName())
baudrates = QtSerialPort.QSerialPortInfo.standardBaudRates()
self.comboBoxBaudrate.clear()
for i in baudrates:
self.comboBoxBaudrate.addItem(str(i))
self.serial = QtSerialPort.QSerialPort()
self.btnOpenClose.clicked.connect(self.btnOpenCloseClick)
self.btnSend.clicked.connect(self.btnSendClick)
self.btnClear.clicked.connect(self.btnClearClick)
self.serial.readyRead.connect(self.serialReadyRead)
def btnOpenCloseClick(self):
if(self.serial.isOpen()):
print("关闭串口")
self.btnOpenClose.setText("打开串口")
self.serial.close()
self.comboBoxBaudrate.setEnabled(True)
self.comboBoxSerialPort.setEnabled(True)
else:
print("打开串口")
self.serial.setPortName(self.comboBoxSerialPort.currentText())
self.serial.setBaudRate(int(self.comboBoxBaudrate.currentText()))
self.serial.setDataBits(QtSerialPort.QSerialPort.DataBits.Data8)
self.serial.setParity(QtSerialPort.QSerialPort.Parity.NoParity)
self.serial.setStopBits(QtSerialPort.QSerialPort.StopBits.OneStop)
self.serial.setFlowControl(QtSerialPort.QSerialPort.FlowControl.NoFlowControl)
print(self.serial.portName())
print(self.serial.baudRate())
if(self.serial.open(QIODeviceBase.OpenModeFlag.ReadWrite)):
self.btnOpenClose.setText("关闭串口")
self.comboBoxBaudrate.setEnabled(False)
self.comboBoxSerialPort.setEnabled(False)
else:
QtWidgets.QMessageBox.critical(self.form,"错误","打开串口失败:"+self.serial.errorString())
def btnSendClick(self):
text = self.textEdit.toPlainText()
textByte = text.encode("UTF-8")
self.serial.write(textByte)
def btnClearClick(self):
self.textEdit.clear()
def serialReadyRead(self):
buffer = self.serial.read(1024)
buffer = buffer.decode("UTF-8")
time = QDateTime.currentDateTime().toString("yyyy-MM-dd hh:mm:ss ")
self.textBrowser.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAlwaysOff)
tc = self.textBrowser.textCursor()
tc.movePosition(QtGui.QTextCursor.MoveOperation.End)
tc.insertText(time+buffer)
def retranslateUi(self, Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form", "Form"))
self.groupBox_2.setTitle(_translate("Form", "GroupBox"))
self.groupBox.setTitle(_translate("Form", "GroupBox"))
self.label_2.setText(_translate("Form", "波特率 ："))
self.label.setText(_translate("Form", "串口选择："))
self.label_3.setText(_translate("Form", "串口操作："))
self.btnOpenClose.setText(_translate("Form", "打开串口"))
self.groupBox_3.setTitle(_translate("Form", "GroupBox"))
self.btnSend.setText(_translate("Form", "发送"))
self.btnClear.setText(_translate("Form", "清空"))
if __name__ == '__main__':
import sys
app = QtWidgets.QApplication(sys.argv)
mainWindow = QtWidgets.QWidget()
ui = Ui_Form()
ui.setupUi(mainWindow)
mainWindow.setWindowTitle("串口调试助手")
mainWindow.show()
sys.exit(app.exec())
三、需要的软件包
