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#1 2020-02-19 11:11:27

pythinker
会员
注册时间: 2019-02-12
累计积分: 214

python3.7 使用 pip 命令安装 PySide2 Qt5 软件包了, 也可以手动安装.

E:>E:\Python37\python.exe -m pip install PySide2
Collecting PySide2
  Using cached https://files.pythonhosted.org/packages/a0/d3/5e8811ddc6c0e794c26
c87eb9c32e66930a46d6b19e61cbce79e5c5f6865/PySide2-5.14.1-5.14.1-cp35.cp36.cp37.c
p38-none-win_amd64.whl
Requirement already satisfied: shiboken2==5.14.1 in E:\python37\lib\site-
packages (from PySide2) (5.14.1)
Installing collected packages: PySide2
Successfully installed PySide2-5.14.1

也可以手动下载安装: PySide2-5.14.1-5.14.1-cp35.cp36.cp37.cp38-none-win_amd64.whl

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#2 2020-02-19 11:14:09

pythinker
会员
注册时间: 2019-02-12
累计积分: 214

Re: python3.7 使用 pip 命令安装 PySide2 Qt5 软件包了, 也可以手动安装.

# This Python file uses the following encoding: utf-8
import sys,os
import PySide2
from PySide2.QtWidgets import QApplication, QMainWindow


class MainWindow(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)


if __name__ == "__main__":
    app = QApplication([])
    window = MainWindow()
    window.show()
    sys.exit(app.exec_())

不知道是不是由于安装了 PyQt5 冲突的缘故, 报如下错误:

qt.qpa.plugin: Could not find the Qt platform plugin "windows" in ""
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

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#3 2020-02-19 11:18:36

pythinker
会员
注册时间: 2019-02-12
累计积分: 214

Re: python3.7 使用 pip 命令安装 PySide2 Qt5 软件包了, 也可以手动安装.

找到解决方案了: https://blog.csdn.net/ouening/article/details/81093697

# This Python file uses the following encoding: utf-8
import sys,os
import PySide2

dirname = os.path.dirname(PySide2.__file__)
plugin_path = os.path.join(dirname, 'plugins', 'platforms')
os.environ['QT_QPA_PLATFORM_PLUGIN_PATH'] = plugin_path

from PySide2.QtWidgets import QApplication, QMainWindow


class MainWindow(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)


if __name__ == "__main__":
    app = QApplication([])
    window = MainWindow()
    window.show()
    sys.exit(app.exec_())

2020-02-19_111801.gif

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