class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.boy = Human("Boy", 16)
self.boy.nameChanged.connect(self.do_nameChanged)
self.boy.ageChanged.connect(self.do_ageChanged_int)
self.boy.ageChanged[str].connect(self.do_ageChanged_str)
## 由connectSlotsByName() 自动与组件的信号连接的槽函数
def on_sliderSetAge_valueChanged(self, value):
self.boy.setAge(value)
def on_btnSetName_clicked(self):
hisName = self.ui.editNameInput.text()
self.boy.setName(hisName)
## 自定义槽函数
def do_nameChanged(self, name):
self.ui.editNameHello.setText("Hello," + name)
@pyqtSlot(int)
def do_ageChanged_int(self, age):
self.ui.editAgeInt.setText(str(age))
@pyqtSlot(str)
def do_ageChanged_str(self, info):
self.ui.editAgeStr.setText(info)
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
pass
## ========由connectSlotsByName() 自动连接的槽函数=================
def on_radio_Percent_clicked(self): ##“显示格式--百分比”
pass
def on_radio_Value_clicked(self): ##“显示格式--当前值”
pass
@pyqtSlot(bool) ##“textVisible”复选框
def on_chkBox_Visible_clicked(self, checked):
pass
@pyqtSlot(bool) ##"InvertedAppearance"复选框
def on_chkBox_Inverted_clicked(self, checked):
pass
## ========自定义槽函数====================================
def do_valueChanged(self, value): ##slider和scrollBar的valueChanged信号的响应
pass
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
## =================自定义功能函数=================================
## ==========由connectSlotsByName() 自动连接的槽函数===============
@pyqtSlot() ##播放文件
def on_btnEffect_File_clicked(self):
url = QUrl.fromLocalFile("Ak47.wav")
player = QSoundEffect(self)
player.setLoopCount(2) #播放循环次数
player.setSource(url) #设置源文件
player.play()
@pyqtSlot() ##播放资源文件的内容
def on_btnEffect_Resource_clicked(self):
url = QUrl.fromLocalFile(":/Wave/sound/blast.wav")
player = QSoundEffect(self)
player.setLoopCount(2)
player.setSource(url)
player.play() #无法播放资源文件
@pyqtSlot() ##播放文件
def on_btnSound_File_clicked(self):
QSound.play("fire2.wav")
QSound.play("machinegun.wav")
@pyqtSlot() ##播放资源文件
def on_btnSound_Resource_clicked(self):
QSound.play(":/Wave/sound/machinegun.wav") #不能播放
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.ui.slider.setMaximum(200)
self.ui.scrollBar.setMaximum(200)
self.ui.progressBar.setMaximum(200)
self.ui.slider.valueChanged.connect(self.do_valueChanged)
self.ui.scrollBar.valueChanged.connect(self.do_valueChanged)
## ========由connectSlotsByName() 自动连接的槽函数=================
def on_radio_Percent_clicked(self): ##“显示格式--百分比”
self.ui.progressBar.setFormat("%p%")
def on_radio_Value_clicked(self): ##“显示格式--当前值”
self.ui.progressBar.setFormat("%v")
@pyqtSlot(bool) ##“textVisible”复选框
def on_chkBox_Visible_clicked(self, checked):
self.ui.progressBar.setTextVisible(checked)
@pyqtSlot(bool) ##"InvertedAppearance"复选框
def on_chkBox_Inverted_clicked(self, checked):
self.ui.progressBar.setInvertedAppearance(checked)
## ========自定义槽函数====================================
def do_valueChanged(self, value): ##slider和scrollBar的valueChanged信号的响应
self.ui.progressBar.setValue(value)
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui=Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
## =================自定义功能函数=================================
## ==========由connectSlotsByName() 自动连接的槽函数===============
@pyqtSlot() ##播放文件
def on_btnEffect_File_clicked(self):
pass
@pyqtSlot() ##播放资源文件的内容
def on_btnEffect_Resource_clicked(self):
pass
@pyqtSlot() ##播放文件
def on_btnSound_File_clicked(self):
pass
@pyqtSlot() ##播放资源文件
def on_btnSound_Resource_clicked(self):
pass
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数,创建窗体
self.ui = Ui_Widget() #创建Ui对象
self.ui.setupUi(self) #构造UI
##==========自定义功能函数==========
##==========事件处理函数===========
##==========由connectSlotsByName()自动关联的槽函数====
def on_btnGetTime_clicked(self):
'''
curDateTime获取系统时间,值为PyQt5.QtCore.QDateTime(2020, 3, 25, 15, 48, 17, 173)
curDateTime.time()/curDateTime.date()是QDateTime中的时间部分和日期部分
curDateTime.toString()是将QDateTime时间格式
:return:
'''
curDateTime = QDateTime.currentDateTime()
print(curDateTime)
self.ui.timeEdit.setTime(curDateTime.time())
self.ui.editTime.setText(curDateTime.toString("hh:mm:ss")) #设置字符串显示格式
self.ui.dateEdit.setDate(curDateTime.date())
self.ui.editDate.setText(
curDateTime.toString("yyyy-MM-dd")) #设置字符串显示格式
self.ui.dateTimeEdit.setDateTime(curDateTime)
self.ui.editDateTime.setText(
curDateTime.toString("yyyy-MM-dd hh:mm:ss")) #设置字符串显示格式
def on_calendarWidget_selectionChanged(self):
'''
设置日历组件
data类型是PyQt5.QtCore.QDate(2020, 3, 3)
:return:
'''
data = self.ui.calendarWidget.selectedDate()
print(data)
self.ui.editCalendar.setText(
data.toString("yyyy年MM月dd日")) #设置字符串在QLineEdit组件中的显示格式
def on_btnSetTime_clicked(self):
tmStr = self.ui.editTime.text() #得到的是一个字符串
#fromString(str, str)
#fromString(str, format: Qt.DateFormat = Qt.TextDate)
tm = QTime.fromString(tmStr,
"hh:mm:ss") #格式化获取的QlineEdit中的时间,格式要与目标函数的格式一致
self.ui.timeEdit.setTime(tm)
def on_btnSetDate_clicked(self):
dtStr = self.ui.editDate.text()
dt = QDate.fromString(dtStr, "yyyy-MM-dd")
self.ui.dateEdit.setDate(dt)
def on_btnSetDateTime_clicked(self):
dttmStr = self.ui.editDateTime.text()
dttm = QDateTime.fromString(dttmStr, "yyyy-MM-dd hh:mm:ss")
self.ui.dateTimeEdit.setDateTime(dttm)
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
## ==========由connectSlotsByName() 自动连接的槽函数====================
def on_btnIniItems_clicked(self): ##“初始化列表”按钮
pass
def on_btnClearItems_clicked(self): ##“清除列表”按钮
pass
@pyqtSlot(bool) ##“可编辑” CheckBox
def on_chkBoxEditable_clicked(self, checked):
pass
@pyqtSlot(str) ##“简单的ComboBox”的当前项变化
def on_comboBox_currentIndexChanged(self, curText):
pass
def on_btnIni2_clicked(self): ##有用户数据的comboBox2的初始化
pass
@pyqtSlot(str) ##当前项变化
def on_comboBox2_currentIndexChanged(self, curText):
pass
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
## =================自定义功能函数=================================
## ==========由connectSlotsByName() 自动连接的槽函数===============
def on_btnCalculate_clicked(self): ##"计算总价"按钮
num = int(self.ui.editCount.text())
price = float(self.ui.editPrice.text())
total = num * price
self.ui.editTotal.setText("%.2f" % total)
@pyqtSlot(int) ##"数量"SpinBox
def on_spinCount_valueChanged(self, count):
price = self.ui.spinPrice.value()
self.ui.spinTotal.setValue(count * price)
@pyqtSlot(float) ##"单价" DoubleSpinBox
def on_spinPrice_valueChanged(self, price):
count = self.ui.spinCount.value()
self.ui.spinTotal.setValue(count * price)
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数,创建窗体
self.ui = Ui_Widget() #创建Ui对象
self.ui.setupUi(self) #构造UI
self.ui.slider.setMaximum(200) #设置输入的最大范围，setMinimum是最小范围
self.ui.scrollBar.setMaximum(200)
self.ui.progressBar.setMaximum(200)
self.ui.slider.valueChanged.connect(self.do_valueChanged) #自定义连接
self.ui.scrollBar.valueChanged.connect(self.do_valueChanged)
##==========自定义功能函数==========
def do_valueChanged(self, value):
self.ui.progressBar.setValue(value)
##==========事件处理函数===========
##==========由connectSlotsByName()自动关联的槽函数====
def on_radio_Percent_clicked(self): #显示百分比
self.ui.progressBar.setFormat('%p%')
def on_radio_Value_clicked(self):
self.ui.progressBar.setFormat('%v')
@pyqtSlot(bool)
def on_chkBox_Visible_clicked(self, checked):
self.ui.progressBar.setTextVisible(checked)
@pyqtSlot(bool)
def on_chkBox_Inverted_clicked(self, checked):
self.ui.progressBar.setInvertedAppearance(checked)
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
pass
## 由connectSlotsByName() 自动与组件的信号连接的槽函数
def on_sliderSetAge_valueChanged(self, value):
pass
def on_btnSetName_clicked(self):
pass
## 自定义槽函数
def do_nameChanged(self, name):
pass
@pyqtSlot(int)
def do_ageChanged_int(self, age):
pass
@pyqtSlot(str)
def do_ageChanged_str(self, info):
pass
def __init__(self, parent=None):
super().__init__(parent)
self.ui = Ui_Widget()
self.ui.setupUi(self)
self.ui.listSource.installEventFilter(self) #安装事件过滤器
self.ui.listWidget.installEventFilter(self)
self.ui.treeWidget.installEventFilter(self)
self.ui.tableWidget.installEventFilter(self)
self.ui.listSource.setAcceptDrops(True)
self.ui.listSource.setDragDropMode(QAbstractItemView.DragDrop)
self.ui.listSource.setDragEnabled(True)
self.ui.listSource.setDefaultDropAction(Qt.CopyAction)
self.ui.listWidget.setAcceptDrops(True)
self.ui.listWidget.setDragDropMode(QAbstractItemView.DragDrop)
self.ui.listWidget.setDragEnabled(True)
self.ui.listWidget.setDefaultDropAction(Qt.MoveAction)
self.ui.treeWidget.setAcceptDrops(True)
self.ui.treeWidget.setDragDropMode(QAbstractItemView.DragDrop)
self.ui.treeWidget.setDragEnabled(True)
self.ui.treeWidget.setDefaultDropAction(Qt.MoveAction)
self.ui.tableWidget.setAcceptDrops(True)
self.ui.tableWidget.setDragDropMode(QAbstractItemView.DragDrop)
self.ui.tableWidget.setDragEnabled(True)
self.ui.tableWidget.setDefaultDropAction(Qt.MoveAction)
self.__itemView = None #用于设置属性的当前组件
self.on_radio_Source_clicked() #调用一次槽函数，初始化界面
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
pass
## =================自定义功能函数=================================
def __getDropActionIndex(self, actionType):
pass
def __getDropActionType(self, index):
pass
def __refreshToUI(self): ##属性显示到界面
pass
## ==================event处理函数=================================
def eventFilter(self, watched, event):
pass
return super().eventFilter(watched, event)
## ==========由connectSlotsByName()自动连接的槽函数===============
@pyqtSlot()
def on_radio_Source_clicked(self): ##listSource
pass
@pyqtSlot()
def on_radio_List_clicked(self): ##listWidget
pass
@pyqtSlot()
def on_radio_Tree_clicked(self): ##treeWidget
pass
@pyqtSlot()
def on_radio_Table_clicked(self): ##tableWidget
pass
##============用于属性设置的4个组件的槽函数===================
@pyqtSlot(bool)
def on_chkBox_AcceptDrops_clicked(self, checked):
pass
@pyqtSlot(bool)
def on_chkBox_DragEnabled_clicked(self, checked):
pass
@pyqtSlot(int)
def on_combo_Mode_currentIndexChanged(self, index):
pass
@pyqtSlot(int)
def on_combo_DefaultAction_currentIndexChanged(self, index):
pass
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.ui.LabHover.installEventFilter(self)
self.ui.LabDBClick.installEventFilter(self)
qApp.processEvents()
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数
self.ui = Ui_Widget() #创建ui对象
self.ui.setupUi(self) #构造ui对象
#设置窗口背景透明
self.setWindowFlags(Qt.FramelessWindowHint)
self.setAttribute(Qt.WA_TranslucentBackground)
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setAcceptDrops(True)
self.ui.plainTextEdit.setAcceptDrops(True) #不处理drop,由父窗体处理
self.ui.LabPic.setAcceptDrops(False)
self.ui.LabPic.setScaledContents(True) #图片适应Label大小
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数,创建窗体
self.ui = Ui_Widget() #创建Ui对象
self.ui.setupUi(self) #构造UI
self.timer = QTimer() #创建定时器
self.timer.stop()
self.timer.setInterval(100) #设定周期
self.timer.timeout.connect(self.do_timer_timeout)
self.counter = QTime()
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.boy = Human("Boy", 16)
self.boy.nameChanged.connect(self.do_nameChanged)
self.boy.ageChanged.connect(self.do_ageChanged_int)
self.boy.ageChanged[str].connect(self.do_ageChanged_str)
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数,创建窗体
self.ui = Ui_Widget() #创建Ui对象
self.ui.setupUi(self) #构造UI
self.ui.slider.setMaximum(200) #设置输入的最大范围，setMinimum是最小范围
self.ui.scrollBar.setMaximum(200)
self.ui.progressBar.setMaximum(200)
self.ui.slider.valueChanged.connect(self.do_valueChanged) #自定义连接
self.ui.scrollBar.valueChanged.connect(self.do_valueChanged)
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.ui.slider.setMaximum(200)
self.ui.scrollBar.setMaximum(200)
self.ui.progressBar.setMaximum(200)
self.ui.slider.valueChanged.connect(self.do_valueChanged)
self.ui.scrollBar.valueChanged.connect(self.do_valueChanged)
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.timer = QTimer() #创建定时器
self.timer.stop() #停止
self.timer.setInterval(1000) #定时周期1000ms
self.timer.timeout.connect(self.do_timer_timeout)
self.counter = QTime() #创建计时器
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数,创建窗体
self.ui = Ui_Widget() #创建Ui对象
self.ui.setupUi(self) #构造UI
##==========自定义功能函数==========
##==========事件处理函数===========
##==========由connectSlotsByName()自动关联的槽函数====
'''
editInput：为QLineEdit组件名称
setAlignment()：设置对齐方式
'''
def on_btnAlign_Left_clicked(self): #居左
self.ui.editInput.setAlignment(Qt.AlignLeft)
def on_btnAlign_Center_clicked(self): #居中
self.ui.editInput.setAlignment(Qt.AlignCenter)
def on_btnAlign_Right_clicked(self): #居右
self.ui.editInput.setAlignment(Qt.AlignRight)
@pyqtSlot(bool)
def on_btnFont_Bold_clicked(self, checked): #粗体
font = self.ui.editInput.font() #获取字体对象
font.setBold(checked) #checked=True，即当参数为真时，setBold()将font设置为粗体
self.ui.editInput.setFont(font) #设置字体
@pyqtSlot(bool)
def on_btnFont_Italic_clicked(self, checked): #斜体
font = self.ui.editInput.font()
font.setItalic(checked)
self.ui.editInput.setFont(font)
@pyqtSlot(bool)
def on_btnFont_UnderLine_clicked(self, checked): #下划线
font = self.ui.editInput.font()
font.setUnderline(checked)
self.ui.editInput.setFont(font)
@pyqtSlot(bool)
def on_chkBox_Readonly_clicked(self, checked): #只读
self.ui.editInput.setReadOnly(checked)
@pyqtSlot(bool)
def on_chkBox_Enable_clicked(self, checked): #锁定QLineEdit组件
self.ui.editInput.setEnabled(checked)
@pyqtSlot(bool)
def on_chkBox_ClearButton_clicked(self, checked): #聚焦后清除原有内容
self.ui.editInput.setClearButtonEnabled(checked)
def __init__(self,parent=None): super().__init__(parent)#调用父类构造函数,创建窗体 self.ui = Ui_Widget()#创建Ui对象 self.ui.setupUi(self)#构造UI ''' setAcceptDrops()是QWidget类定义的函数 用于设置窗体组件是否可以接收放置操作 可以重新定义dragEnterEvent（）和dropEvent（）等事件函数实现特定操作 ''' self.__SetSizeLabel() self.setAcceptDrops(True)#设置全局允许拖放 self.ui.label.setAcceptDrops(True)#设置允许接收 self.ui.plainTextEdit.setAcceptDrops(False) self.ui.label.setScaledContents(True)#适应label大小
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui=Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.__provinces=["北京","上海","天津","河北",
"山东","四川","重庆","广东","河南"]
self.model=QStringListModel(self)
self.model.setStringList(self.__provinces)
self.ui.listView.setModel(self.model)
## trig=(QAbstractItemView.DoubleClicked |QAbstractItemView.SelectedClicked)
## self.ui.listView.setEditTriggers(trig)
self.ui.listView.setEditTriggers(QAbstractItemView.DoubleClicked
| QAbstractItemView.SelectedClicked)
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui=Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
pass
## =================自定义功能函数=================================
## ==========由connectSlotsByName() 自动连接的槽函数===============
@pyqtSlot() ##重设模型数据内容
def on_btnList_Reset_clicked(self):
pass
@pyqtSlot() ##添加项
def on_btnList_Append_clicked(self):
pass
@pyqtSlot() ##插入项
def on_btnList_Insert_clicked(self):
pass
@pyqtSlot() ##删除当前项
def on_btnList_Delete_clicked(self):
pass
@pyqtSlot() ##清空列表
def on_btnList_Clear_clicked(self):
pass
@pyqtSlot() ##清空文本
def on_btnText_Clear_clicked(self):
pass
@pyqtSlot() ##显示数据模型的内容
def on_btnText_Display_clicked(self):
pass
def on_listView_clicked(self,index):
pass
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setAcceptDrops(True)
self.ui.plainTextEdit.setAcceptDrops(True) #不处理drop,由父窗体处理
self.ui.LabPic.setAcceptDrops(False)
self.ui.LabPic.setScaledContents(True) #图片适应Label大小
## =================自定义功能函数=================================
## ==========由connectSlotsByName() 自动连接的槽函数===============
## ==================event处理函数=================================
def dragEnterEvent(self, event):
self.ui.plainTextEdit.clear()
self.ui.plainTextEdit.appendPlainText(
"dragEnterEvent事件 mimeData()->formats()")
for strLine in event.mimeData().formats(): #mimeData().formats()
self.ui.plainTextEdit.appendPlainText(strLine)
self.ui.plainTextEdit.appendPlainText(
"\ndragEnterEvent事件 mimeData()->urls()")
for url in event.mimeData().urls(): # mimeData().urls()
self.ui.plainTextEdit.appendPlainText(url.path())
if (event.mimeData().hasUrls()):
filename = event.mimeData().urls()[0].fileName() #只有文件名
basename, ext = os.path.splitext(filename) #文件名和后缀
ext = ext.upper()
if (ext == ".JPG"): #只接收JPG文件
event.acceptProposedAction()
else:
event.ignore()
else:
event.ignore()
def dropEvent(self, event):
filename = event.mimeData().urls()[0].path() #完整文件名
cnt = len(filename)
realname = filename[1:cnt] #去掉最左边的“/”
pixmap = QPixmap(realname)
self.ui.LabPic.setPixmap(pixmap)
event.accept()
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数,创建窗体
self.ui = Ui_Widget() #创建Ui对象
self.ui.setupUi(self) #构造UI
self.resize(280, 150)
labHello = QMyLabel(self)
labHello.setText("hit me")
font = labHello.font()
font.setPointSize(14)
font.setBold(True)
labHello.setFont(font)
size = labHello.sizeHint()
labHello.setGeometry(70, 60, size.width(), size.height())
labHello.doubleClicked.connect(self.do_doubleClicked)
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
pass
## =================自定义功能函数=================================
## ==========由connectSlotsByName() 自动连接的槽函数===============
## ==================event处理函数=================================
def eventFilter(self, watched, event):
pass
return super().eventFilter(watched, event)
def __init__(self, parent=None):
super().__init__(parent=parent)
self.ui = Ui_Widget()
self.ui.setupUi(self)
self.timer = QTimer()
self.timer.stop()
self.timer.setInterval(1000)
self.timer.timeout.connect(self.do_timer_timeout)
self.lcd_dispaly(self.ui.spinBoxWork.value(), 0)
self.player = QMediaPlayer()
self.player.setVolume(30)
self.change_media_file(self.ui.lineEditAudioFile.text())
self.player.stateChanged.connect(self.do_player_stateChanged)
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui=Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.setWindowTitle("Demo5_3 event()事件拦截")
## =================自定义功能函数=================================
## ==========由connectSlotsByName() 自动连接的槽函数===============
## ==================event处理函数=================================
def event(self,event):
pass
return super().event(event)
def paintEvent(self,event): ##绘制窗口背景图片
pass
def resizeEvent(self,event): ##窗体改变大小
pass
def closeEvent(self,event): ##窗体关闭时询问
pass
## def keyPressEvent(self,event):
def keyReleaseEvent(self,event):
pass
def hideEvent(self,event): ##窗体最小化时触发
pass
def showEvent(self,event): ##窗体显示时触发
pass
def mousePressEvent(self,event): ##鼠标左键按下
pass
super().mousePressEvent(event)
class QmyWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui=Ui_Widget() #创建UI对象
self.ui.setupUi(self) #构造UI界面
## =======由connectSlotsByName() 自动连接的槽函数=======================
def on_btnAlign_Left_clicked(self): ##“居左”按钮
self.ui.editInput.setAlignment(Qt.AlignLeft)
def on_btnAlign_Center_clicked(self): ##“居中”按钮
self.ui.editInput.setAlignment(Qt.AlignCenter)
def on_btnAlign_Right_clicked(self): ##“居右”按钮
self.ui.editInput.setAlignment(Qt.AlignRight)
@pyqtSlot(bool) ##“粗体”按钮
def on_btnFont_Bold_clicked(self,checked):
font=self.ui.editInput.font()
font.setBold(checked)
self.ui.editInput.setFont(font)
@pyqtSlot(bool) ##“斜体”按钮
def on_btnFont_Italic_clicked(self,checked):
font=self.ui.editInput.font()
font.setItalic(checked)
self.ui.editInput.setFont(font)
@pyqtSlot(bool) ##“下划线”按钮
def on_btnFont_UnderLine_clicked(self,checked):
font=self.ui.editInput.font()
font.setUnderline(checked)
self.ui.editInput.setFont(font)
@pyqtSlot(bool) ##"Readonly" 复选框
def on_chkBox_Readonly_clicked(self,checked):
self.ui.editInput.setReadOnly(checked)
@pyqtSlot(bool) ##"Enabled"复选框
def on_chkbox_Enable_clicked(self,checked):
self.ui.editInput.setEnabled(checked)
@pyqtSlot(bool) ##"ClearButtonEnabled"复选框
def on_chkBox_ClearButton_clicked(self,checked):
self.ui.editInput.setClearButtonEnabled(checked)
