PyQt5-QSlide - ⎝⎛CodingNote.cc ⎞⎠

PyQt5–QSlide

2020 年 1 月 19 日
笔记

 1 # -*- coding:utf-8 -*-   2 '''   3 Created on Sep 20, 2018   4   5 @author: SaShuangYiBing   6   7 Comment:   8 '''   9 import sys  10 from PyQt5.QtCore import Qt  11 from PyQt5.QtGui import QPixmap  12 from PyQt5.QtWidgets import QApplication,QWidget,QSlider,QLabel  13  14 class New_test(QWidget):  15     def __init__(self):  16         super().__init__()  17         self.initUI()  18  19     def initUI(self):  20         sld = QSlider(Qt.Horizontal,self)  21         sld.setFocusPolicy(Qt.NoFocus)  22         sld.setGeometry(30,55,100,30)  23         sld.valueChanged.connect(self.changeValue)  24  25         self.label = QLabel(self)  26         self.label.setPixmap(QPixmap('mute.ico'))  27         self.label.setGeometry(160,40,80,60)  28  29         self.setGeometry(300,300,280,170)  30         self.setWindowTitle('QSlider')  31         self.show()  32  33     def changeValue(self,value):  34         if value == 0:  35             self.label.setPixmap(QPixmap('mute.ico'))  36         elif value > 0 and value <= 30:  37             self.label.setPixmap(QPixmap('min.ico'))  38         elif value > 30 and value < 80:  39             self.label.setPixmap(QPixmap('mid.ico'))  40         else:  41             self.label.setPixmap(QPixmap('max.ico'))  42  43 if __name__ == '__main__':  44     app = QApplication(sys.argv)  45     ex  = New_test()  46     sys.exit(app.exec_())  47

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