Python3 GUI开发（PyQt）安装和配置

Python3 GUI开发（PyQt5）安装和配置:

• 下载安装好Miniconda3, 并且安装好jupyter 注意：最好关闭360杀毒软件或者把cmd加入信任，否则运行activate会有问题。
• 进入工作区，下载安装PyQt5，需要用镜像，不然下载网络非常不给力。

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple PyQt5

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple PyQt5-tools

• 启动运行Qt designer:

E:\Miniconda3\envs\SkyPy3\Lib\site-packages\pyqt5-tools>designer.exe

• 拖下窗口和按钮
• 点File->Save
• 此时保存的是.ui文件，需要转换成.py文件，运行以下命令:

python -m PyQt5.uic.pyuic -o E:\PythonWorkSpace\PyQT\frist.py E:\PythonWorkSpace\PyQT\test.ui

• 发现生成了first.py文件

• 打开first.py文件，并复制到jupyter

import sys
from PyQt5 import QtCore, QtGui, QtWidgets

class Ui_MainWindow(object):
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(800, 600)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.textBrowser = QtWidgets.QTextBrowser(self.centralwidget)
        self.textBrowser.setGeometry(QtCore.QRect(30, 20, 256, 192))
        self.textBrowser.setObjectName("textBrowser")
        self.pushButton = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton.setGeometry(QtCore.QRect(380, 40, 75, 23))
        self.pushButton.setObjectName("pushButton")
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 23))
        self.menubar.setObjectName("menubar")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)

        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
        self.pushButton.setText(_translate("MainWindow", "Click"))

if __name__ == '__main__':
    app = QtWidgets.QApplication(sys.argv)
    MainWindow = QtWidgets.QMainWindow()
    ui = Ui_MainWindow()

    ui.setupUi(MainWindow)
    MainWindow.show()
    sys.exit(app.exec_())

• 启动程序

窗口出现，配置完成！