Python Qt Designer安装过程和转换ui文件

 用Qt Designer来设计GUI界面挺直观的，这篇简单介绍Qt Designer的安装和ui文件的转换。

 

Qt Designer的安装

1. 通过pip安装pyqt5，pyqt5_tools 

c:\xxx\python> pip install pyqt5
c:\xxx\python> pip install pyqt5_tools

2. 设置Path={Python安装路径}\Lib\site-packages\pyqt5_tools

 

然后，打开qt5-application下的designer.exe，路径：{Python安装路径}\Lib\site-packages\qt5_applications\Qt\bin

 

 打开后的界面：

 

将界面保存文件为source.ui

 

 

使用pyuic5转换 source.ui

pyuic5在安装python后就可以在命令行里使用了，使用方式如下：

c:\xxx\python> pyuic5 -o destination.py source.ui

 

初始内容及转换后的内容如下：

 

可以加入自己的python代码（加粗部分），也可以将自己的代码合并成一个类：

# -*- coding: utf-8 -*-

# Form implementation generated from reading ui file 'source.ui'
#
# Created by: PyQt5 UI code generator 5.15.2
#
# WARNING: Any manual changes made to this file will be lost when pyuic5 is
# run again.  Do not edit this file unless you know what you are doing.


from PyQt5 import QtCore, QtGui, QtWidgets
import sys


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.lineEdit = QtWidgets.QLineEdit(self.centralwidget)
        self.lineEdit.setGeometry(QtCore.QRect(10, 10, 771, 501))
        self.lineEdit.setObjectName("lineEdit")
        self.pushButton = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton.setGeometry(QtCore.QRect(10, 520, 231, 31))
        self.pushButton.setObjectName("pushButton")
        self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_2.setGeometry(QtCore.QRect(250, 520, 231, 31))
        self.pushButton_2.setObjectName("pushButton_2")
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 21))
        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", "PushButton"))
        self.pushButton_2.setText(_translate("MainWindow", "PushButton"))

def main():
    app = QtWidgets.QApplication(sys.argv)
    main_window = QtWidgets.QMainWindow()
    form = Ui_MainWindow()
    form.setupUi(main_window)
    form.retranslateUi(main_window)
    main_window.show()
    sys.exit(app.exec_())

if __name__ =='__main__':
    main()