摘要:
##实现了__get__ and __set__ 的描述符称为数据描述符##只实现__get__的描述符称为非数据描述符## 描述符类 <定义另一个类特性可能访问方式的类>class upper_string(object): def __init__(self): self._value = '' def __get__(self,instance,klass): return self._value def __set__(self,instance,value): self._value = value.upper()class mine(object): a 阅读全文
摘要:
1 import sys 2 from PyQt4 import QtGui,QtCore 3 4 class Time(QtGui.QLCDNumber): 5 def __init__(self,parent=None): 6 QtGui.QLCDNumber.__init__(self,parent) 7 #self.setFixedSize(200,200) 8 self.setSegmentStyle(QtGui.QLCDNumber.Filled) 9 timer = QtCore.QTimer(self)10 timer.timeout.connect(self.show_ti. 阅读全文
摘要:
class Dialog(QtGui.QDialog): def __init__(self): QtGui.QDialog.__init__(self) self.setFixedSize(200,200) self.spinbox = QtGui.QSpinBox() self.spinbox.setRange(0,100) self.spinbox.setValue(50) self.slider = QtGui.QSlider(QtCore.Qt.Horizontal) self.slider.setRange(0,100) self.lcd = QtGui.QLCDNumber(5) 阅读全文
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