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)
