class DateTimeEditDemo(QWidget): """主窗口""" def __init__(self, parent=None): super().__init__(parent=parent) self.setWindowTitle("QDateTimeEdit 使用") self.resize(320, 100) date_time = QDateTime.currentDateTime() self.datetime_edit = QDateTimeEdit(date_time) # 初始化时设置初始值为当前日期时间 # self.datetime_edit.setDateTime(date_time) self.datetime_edit.setDisplayFormat("yyyy-MM-dd HH:mm:ss") # 设置显示格式 self.datetime_edit.setDateTimeRange(date_time.addYears(-1), date_time.addYears(1)) # 设置时间范围 self.datetime_edit.setCalendarPopup(True) # 允许使用Calendar self.datetime_edit.dateTimeChanged.connect( self.datetime_change) # 会向槽函数传递QDateTime self.datetime_edit.dateChanged.connect( self.date_change) # 会向槽函数传递QDate self.datetime_edit.timeChanged.connect( self.time_change) # 会向槽函数传递QTime self.button = QPushButton() self.button.setText("获得日期和时间") self.button.clicked.connect(self.btn_click) self.status_bar = QStatusBar() vbox = QVBoxLayout(self) vbox.addWidget(self.datetime_edit) vbox.addWidget(self.button) vbox.addWidget(self.status_bar) def datetime_change(self, date_time): self.status_bar.showMessage(date_time.__str__()) def date_change(self, date): self.status_bar.showMessage(date.__str__()) def time_change(self, time): self.status_bar.showMessage(time.__str__()) def btn_click(self, event): date_time = self.datetime_edit.dateTime() max_date_time = self.datetime_edit.maximumDateTime() max_date = self.datetime_edit.maximumDate() max_time = self.datetime_edit.maximumTime() min_date_time = self.datetime_edit.minimumDateTime() min_date = self.datetime_edit.minimumDate() min_time = self.datetime_edit.minimumTime() format_str = f"max_date_time: {max_date_time}\nmax_date: {max_date}\nmax_time: {max_time}\n\ min_date_time: {min_date_time}\nmin_time: {min_time}\nmin_time: {min_time}\n{event}" _ = QMessageBox.information(self, "显示QDateTime中的一些数据", format_str)
class MainWin(QWidget): def __init__(self, parent=None): super(MainWin, self).__init__(parent) layout = QVBoxLayout(self) self.dateEdit = QDateTimeEdit(QDateTime.currentDateTime(), self) self.dateEdit.setDisplayFormat('yyyy-MM-dd HH:mm:ss') self.dateEdit.setMinimumDate(QDate.currentDate().addDays(-365)) self.dateEdit.setMaximumDate(QDate.currentDate().addDays(365)) self.dateEdit.setCalendarPopup(True) self.dateEdit.dateChanged.connect(self.onDateChanged) self.dateEdit.dateTimeChanged.connect(self.onDateTimeChanged) self.dateEdit.timeChanged.connect(self.onTimeChanged) self.btn = QPushButton('取得日期和時間') self.btn.clicked.connect(self.onButtonClick) layout.addWidget(self.dateEdit) layout.addWidget(self.btn) self.resize(300, 90) self.setWindowTitle('DateTimeEdit2') def onDateChanged(self, date): print(date) def onDateTimeChanged(self, dateTime): print(dateTime) def onTimeChanged(self, time): print(time) def onButtonClick(self): dateTime = self.dateEdit.dateTime() maxDate = self.dateEdit.maximumDate() maxDateTime = self.dateEdit.maximumDateTime() maxTime = self.dateEdit.maximumTime() minDate = self.dateEdit.minimumDate() minDateTime = self.dateEdit.minimumDateTime() minTime = self.dateEdit.minimumTime() print('\n選擇的日期時間') print('dateTime = %s') print('maxDate = %s' % str(maxDate)) print('maxDateTime = %s' % str(maxDateTime)) print('maxTime = %s' % str(maxTime)) print('minDate = %s' % str(minDate)) print('minDateTime = %s' % str(minDateTime)) print('minTime = %s' % str(minTime))
class Window(QWidget): def __init__(self): super(Window, self).__init__() self.createSpinBoxes() self.createDateTimeEdits() self.createDoubleSpinBoxes() layout = QHBoxLayout() layout.addWidget(self.spinBoxesGroup) layout.addWidget(self.editsGroup) layout.addWidget(self.doubleSpinBoxesGroup) self.setLayout(layout) self.setWindowTitle("Spin Boxes") def createSpinBoxes(self): self.spinBoxesGroup = QGroupBox("Spinboxes") integerLabel = QLabel("Enter a value between %d and %d:" % (-20, 20)) integerSpinBox = QSpinBox() integerSpinBox.setRange(-20, 20) integerSpinBox.setSingleStep(1) integerSpinBox.setValue(0) zoomLabel = QLabel("Enter a zoom value between %d and %d:" % (0, 1000)) zoomSpinBox = QSpinBox() zoomSpinBox.setRange(0, 1000) zoomSpinBox.setSingleStep(10) zoomSpinBox.setSuffix('%') zoomSpinBox.setSpecialValueText("Automatic") zoomSpinBox.setValue(100) priceLabel = QLabel("Enter a price between %d and %d:" % (0, 999)) priceSpinBox = QSpinBox() priceSpinBox.setRange(0, 999) priceSpinBox.setSingleStep(1) priceSpinBox.setPrefix('$') priceSpinBox.setValue(99) spinBoxLayout = QVBoxLayout() spinBoxLayout.addWidget(integerLabel) spinBoxLayout.addWidget(integerSpinBox) spinBoxLayout.addWidget(zoomLabel) spinBoxLayout.addWidget(zoomSpinBox) spinBoxLayout.addWidget(priceLabel) spinBoxLayout.addWidget(priceSpinBox) self.spinBoxesGroup.setLayout(spinBoxLayout) def createDateTimeEdits(self): self.editsGroup = QGroupBox("Date and time spin boxes") dateLabel = QLabel() dateEdit = QDateEdit(QDate.currentDate()) dateEdit.setDateRange(QDate(2005, 1, 1), QDate(2010, 12, 31)) dateLabel.setText("Appointment date (between %s and %s):" % (dateEdit.minimumDate().toString(Qt.ISODate), dateEdit.maximumDate().toString(Qt.ISODate))) timeLabel = QLabel() timeEdit = QTimeEdit(QTime.currentTime()) timeEdit.setTimeRange(QTime(9, 0, 0, 0), QTime(16, 30, 0, 0)) timeLabel.setText("Appointment time (between %s and %s):" % (timeEdit.minimumTime().toString(Qt.ISODate), timeEdit.maximumTime().toString(Qt.ISODate))) self.meetingLabel = QLabel() self.meetingEdit = QDateTimeEdit(QDateTime.currentDateTime()) formatLabel = QLabel("Format string for the meeting date and time:") formatComboBox = QComboBox() formatComboBox.addItem('yyyy-MM-dd hh:mm:ss (zzz \'ms\')') formatComboBox.addItem('hh:mm:ss MM/dd/yyyy') formatComboBox.addItem('hh:mm:ss dd/MM/yyyy') formatComboBox.addItem('hh:mm:ss') formatComboBox.addItem('hh:mm ap') formatComboBox.activated[str].connect(self.setFormatString) self.setFormatString(formatComboBox.currentText()) editsLayout = QVBoxLayout() editsLayout.addWidget(dateLabel) editsLayout.addWidget(dateEdit) editsLayout.addWidget(timeLabel) editsLayout.addWidget(timeEdit) editsLayout.addWidget(self.meetingLabel) editsLayout.addWidget(self.meetingEdit) editsLayout.addWidget(formatLabel) editsLayout.addWidget(formatComboBox) self.editsGroup.setLayout(editsLayout) def setFormatString(self, formatString): self.meetingEdit.setDisplayFormat(formatString) if self.meetingEdit.displayedSections() & QDateTimeEdit.DateSections_Mask: self.meetingEdit.setDateRange(QDate(2004, 11, 1), QDate(2005, 11, 30)) self.meetingLabel.setText("Meeting date (between %s and %s):" % (self.meetingEdit.minimumDate().toString(Qt.ISODate), self.meetingEdit.maximumDate().toString(Qt.ISODate))) else: self.meetingEdit.setTimeRange(QTime(0, 7, 20, 0), QTime(21, 0, 0, 0)) self.meetingLabel.setText("Meeting time (between %s and %s):" % (self.meetingEdit.minimumTime().toString(Qt.ISODate), self.meetingEdit.maximumTime().toString(Qt.ISODate))) def createDoubleSpinBoxes(self): self.doubleSpinBoxesGroup = QGroupBox("Double precision spinboxes") precisionLabel = QLabel("Number of decimal places to show:") precisionSpinBox = QSpinBox() precisionSpinBox.setRange(0, 100) precisionSpinBox.setValue(2) doubleLabel = QLabel("Enter a value between %d and %d:" % (-20, 20)) self.doubleSpinBox = QDoubleSpinBox() self.doubleSpinBox.setRange(-20.0, 20.0) self.doubleSpinBox.setSingleStep(1.0) self.doubleSpinBox.setValue(0.0) scaleLabel = QLabel("Enter a scale factor between %d and %d:" % (0, 1000)) self.scaleSpinBox = QDoubleSpinBox() self.scaleSpinBox.setRange(0.0, 1000.0) self.scaleSpinBox.setSingleStep(10.0) self.scaleSpinBox.setSuffix('%') self.scaleSpinBox.setSpecialValueText("No scaling") self.scaleSpinBox.setValue(100.0) priceLabel = QLabel("Enter a price between %d and %d:" % (0, 1000)) self.priceSpinBox = QDoubleSpinBox() self.priceSpinBox.setRange(0.0, 1000.0) self.priceSpinBox.setSingleStep(1.0) self.priceSpinBox.setPrefix('$') self.priceSpinBox.setValue(99.99) precisionSpinBox.valueChanged.connect(self.changePrecision) spinBoxLayout = QVBoxLayout() spinBoxLayout.addWidget(precisionLabel) spinBoxLayout.addWidget(precisionSpinBox) spinBoxLayout.addWidget(doubleLabel) spinBoxLayout.addWidget(self.doubleSpinBox) spinBoxLayout.addWidget(scaleLabel) spinBoxLayout.addWidget(self.scaleSpinBox) spinBoxLayout.addWidget(priceLabel) spinBoxLayout.addWidget(self.priceSpinBox) self.doubleSpinBoxesGroup.setLayout(spinBoxLayout) def changePrecision(self, decimals): self.doubleSpinBox.setDecimals(decimals) self.scaleSpinBox.setDecimals(decimals) self.priceSpinBox.setDecimals(decimals)
class Window(QWidget): def __init__(self): super(Window, self).__init__() self.createSpinBoxes() self.createDateTimeEdits() self.createDoubleSpinBoxes() layout = QHBoxLayout() layout.addWidget(self.spinBoxesGroup) layout.addWidget(self.editsGroup) layout.addWidget(self.doubleSpinBoxesGroup) self.setLayout(layout) self.setWindowTitle("Spin Boxes") def createSpinBoxes(self): self.spinBoxesGroup = QGroupBox("Spinboxes") integerLabel = QLabel("Enter a value between %d and %d:" % (-20, 20)) integerSpinBox = QSpinBox() integerSpinBox.setRange(-20, 20) integerSpinBox.setSingleStep(1) integerSpinBox.setValue(0) zoomLabel = QLabel("Enter a zoom value between %d and %d:" % (0, 1000)) zoomSpinBox = QSpinBox() zoomSpinBox.setRange(0, 1000) zoomSpinBox.setSingleStep(10) zoomSpinBox.setSuffix('%') zoomSpinBox.setSpecialValueText("Automatic") zoomSpinBox.setValue(100) priceLabel = QLabel("Enter a price between %d and %d:" % (0, 999)) priceSpinBox = QSpinBox() priceSpinBox.setRange(0, 999) priceSpinBox.setSingleStep(1) priceSpinBox.setPrefix('$') priceSpinBox.setValue(99) spinBoxLayout = QVBoxLayout() spinBoxLayout.addWidget(integerLabel) spinBoxLayout.addWidget(integerSpinBox) spinBoxLayout.addWidget(zoomLabel) spinBoxLayout.addWidget(zoomSpinBox) spinBoxLayout.addWidget(priceLabel) spinBoxLayout.addWidget(priceSpinBox) self.spinBoxesGroup.setLayout(spinBoxLayout) def createDateTimeEdits(self): self.editsGroup = QGroupBox("Date and time spin boxes") dateLabel = QLabel() dateEdit = QDateEdit(QDate.currentDate()) dateEdit.setDateRange(QDate(2005, 1, 1), QDate(2010, 12, 31)) dateLabel.setText("Appointment date (between %s and %s):" % (dateEdit.minimumDate().toString(Qt.ISODate), dateEdit.maximumDate().toString(Qt.ISODate))) timeLabel = QLabel() timeEdit = QTimeEdit(QTime.currentTime()) timeEdit.setTimeRange(QTime(9, 0, 0, 0), QTime(16, 30, 0, 0)) timeLabel.setText("Appointment time (between %s and %s):" % (timeEdit.minimumTime().toString(Qt.ISODate), timeEdit.maximumTime().toString(Qt.ISODate))) self.meetingLabel = QLabel() self.meetingEdit = QDateTimeEdit(QDateTime.currentDateTime()) formatLabel = QLabel("Format string for the meeting date and time:") formatComboBox = QComboBox() formatComboBox.addItem('yyyy-MM-dd hh:mm:ss (zzz \'ms\')') formatComboBox.addItem('hh:mm:ss MM/dd/yyyy') formatComboBox.addItem('hh:mm:ss dd/MM/yyyy') formatComboBox.addItem('hh:mm:ss') formatComboBox.addItem('hh:mm ap') formatComboBox.activated[str].connect(self.setFormatString) self.setFormatString(formatComboBox.currentText()) editsLayout = QVBoxLayout() editsLayout.addWidget(dateLabel) editsLayout.addWidget(dateEdit) editsLayout.addWidget(timeLabel) editsLayout.addWidget(timeEdit) editsLayout.addWidget(self.meetingLabel) editsLayout.addWidget(self.meetingEdit) editsLayout.addWidget(formatLabel) editsLayout.addWidget(formatComboBox) self.editsGroup.setLayout(editsLayout) def setFormatString(self, formatString): self.meetingEdit.setDisplayFormat(formatString) if self.meetingEdit.displayedSections( ) & QDateTimeEdit.DateSections_Mask: self.meetingEdit.setDateRange(QDate(2004, 11, 1), QDate(2005, 11, 30)) self.meetingLabel.setText( "Meeting date (between %s and %s):" % (self.meetingEdit.minimumDate().toString(Qt.ISODate), self.meetingEdit.maximumDate().toString(Qt.ISODate))) else: self.meetingEdit.setTimeRange(QTime(0, 7, 20, 0), QTime(21, 0, 0, 0)) self.meetingLabel.setText( "Meeting time (between %s and %s):" % (self.meetingEdit.minimumTime().toString(Qt.ISODate), self.meetingEdit.maximumTime().toString(Qt.ISODate))) def createDoubleSpinBoxes(self): self.doubleSpinBoxesGroup = QGroupBox("Double precision spinboxes") precisionLabel = QLabel("Number of decimal places to show:") precisionSpinBox = QSpinBox() precisionSpinBox.setRange(0, 100) precisionSpinBox.setValue(2) doubleLabel = QLabel("Enter a value between %d and %d:" % (-20, 20)) self.doubleSpinBox = QDoubleSpinBox() self.doubleSpinBox.setRange(-20.0, 20.0) self.doubleSpinBox.setSingleStep(1.0) self.doubleSpinBox.setValue(0.0) scaleLabel = QLabel("Enter a scale factor between %d and %d:" % (0, 1000)) self.scaleSpinBox = QDoubleSpinBox() self.scaleSpinBox.setRange(0.0, 1000.0) self.scaleSpinBox.setSingleStep(10.0) self.scaleSpinBox.setSuffix('%') self.scaleSpinBox.setSpecialValueText("No scaling") self.scaleSpinBox.setValue(100.0) priceLabel = QLabel("Enter a price between %d and %d:" % (0, 1000)) self.priceSpinBox = QDoubleSpinBox() self.priceSpinBox.setRange(0.0, 1000.0) self.priceSpinBox.setSingleStep(1.0) self.priceSpinBox.setPrefix('$') self.priceSpinBox.setValue(99.99) precisionSpinBox.valueChanged.connect(self.changePrecision) spinBoxLayout = QVBoxLayout() spinBoxLayout.addWidget(precisionLabel) spinBoxLayout.addWidget(precisionSpinBox) spinBoxLayout.addWidget(doubleLabel) spinBoxLayout.addWidget(self.doubleSpinBox) spinBoxLayout.addWidget(scaleLabel) spinBoxLayout.addWidget(self.scaleSpinBox) spinBoxLayout.addWidget(priceLabel) spinBoxLayout.addWidget(self.priceSpinBox) self.doubleSpinBoxesGroup.setLayout(spinBoxLayout) def changePrecision(self, decimals): self.doubleSpinBox.setDecimals(decimals) self.scaleSpinBox.setDecimals(decimals) self.priceSpinBox.setDecimals(decimals)