PyQt5--QColorDiaglog

 1 # -*- coding:utf-8 -*-
 2 '''
 3 Created on Sep 17, 2018
 4 
 5 @author: SaShuangYiBing
 6 
 7 Comment: 
 8 '''
 9 import sys
10 from PyQt5.QtGui import QColor
11 from PyQt5.QtWidgets import QApplication,QWidget,QColorDialog,QPushButton,QFrame
12 
13 class New_test(QWidget):
14     def __init__(self):
15         super().__init__()
16         self.initUI()
17     
18     def initUI(self):
19         col = QColor(0,0,0)
20         
21         btn = QPushButton('Diaglog',self)
22         btn.move(20,20)
23         btn.clicked.connect(self.showdiaglog)
24         
25         self.frm = QFrame(self)
26         self.frm.setStyleSheet('QWidget {background-color:%s}' %col.name())
27         self.frm.setGeometry(130,22,100,100)
28         self.setGeometry(300,300,250,180)
29         self.setWindowTitle('Color Diaglog')
30         self.show()
31         
32     def showdiaglog(self):
33         col = QColorDialog.getColor()
34         
35         if col.isValid():
36             self.frm.setStyleSheet('QWidget {background-color:%s}' %col.name())
37             
38 if __name__ == '__main__':
39     app = QApplication(sys.argv)
40     ex = New_test()
41     sys.exit(app.exec_())
42