学习日志（一）安装PySide2遇到的问题及其解决办法

 1 import sys
 2 import random
 3 from PySide2 import QtCore, QtWidgets, QtGui
 4 
 5 
 6 class MyWidget(QtWidgets.QWidget):
 7     def __init__(self):
 8         super().__init__()
 9 
10         self.hello = ["Hallo Welt", "Hei maailma", "Hola Mundo", "Привет мир"]
11 
12         self.button = QtWidgets.QPushButton("Click me!")
13         self.text = QtWidgets.QLabel("Hello World")
14         self.text.setAlignment(QtCore.Qt.AlignCenter)
15 
16         self.layout = QtWidgets.QVBoxLayout()
17         self.layout.addWidget(self.text)
18         self.layout.addWidget(self.button)
19         self.setLayout(self.layout)
20 
21         self.button.clicked.connect(self.magic)
22 
23 
24     def magic(self):
25         self.text.setText(random.choice(self.hello))
26 
27 
28 if __name__ == "__main__":
29     app = QtWidgets.QApplication([])
30 
31     widget = MyWidget()
32     widget.resize(800, 600)
33     widget.show()
34 
35     sys.exit(app.exec_())