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Qtdeisgner, pyuic detailed use tutorial interface and function logic separation (nanny teaching)

2022-07-01 13:16:00 【Opencv+pyqt Xiaobai】

About QtDesigner Sure pip It's fine too GitHub Download the third-party version

QtDesigner Third party plug-in version https://github.com/PyQt5/QtDesigner/releases

Can generate directly PyQt Code , Omit PyUic

Video teaching QtDesigner course - Interface and function logic are separated - Modify the layout in real time _ Bili, Bili _bilibili

Start by opening QtDesigner Generate a good window , Then save the file

Here is the rest of video teaching

open PyCharm find Ui File by PyUic Turn into Py file

QtDesigner Plug in version internal It also supports direct copying of code , Just create a new file and paste it

This step is Ui Document conversion Py Just a file

Import what you need

import PyQt5
from PyQt5.QtWidgets import QMainWindow
from untitled import Ui_Form

And then create a new one Py file , Define a class inheritance inside QMainWindow And your layout class ( open UI The conversion Py You can see the class name in the file )

class MyGui(QMainWindow,Ui_Form):

Then define in the class

    def __init__(self):
        super().__init__()
        self.setupUi(self)

This initializes your window layout

Then write your main entrance at the end

while True 
 perhaps 
if __name__ == '__main__':
 You can not even write

The second way of writing is recommended

import sys
    app = PyQt5.QtWidgets.QApplication(sys.argv)
    MyUiStart = MyGui()
    MyUiStart.show()#       ui It will show 
    sys.exit(app.exec_())

Then the main process is loaded. You can understand that this program has been repeating in the window layout

here MyGui Is the class name you defined

Finally, your interface will be displayed , And realize logical separation

To update the layout, just use QtDesigner open Ui Then modify the contents of the file to overwrite the original layout code

Complete code

Layout code

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

# Form implementation generated from reading ui file 'untitled.ui'
#
# Created by: PyQt5 UI code generator 5.15.4
#
# 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


class Ui_Form(object):
    def setupUi(self, Form):
        Form.setObjectName("Form")
        Form.resize(1100, 857)
        self.textBrowser = QtWidgets.QTextBrowser(Form)
        self.textBrowser.setGeometry(QtCore.QRect(230, 210, 651, 201))
        self.textBrowser.setObjectName("textBrowser")

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

    def retranslateUi(self, Form):
        _translate = QtCore.QCoreApplication.translate
        Form.setWindowTitle(_translate("Form", "Form"))
        self.textBrowser.setHtml(_translate("Form", "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\" \"http://www.w3.org/TR/REC-html40/strict.dtd\">\n"
"<html><head><meta name=\"qrichtext\" content=\"1\" /><style type=\"text/css\">\n"
"p, li { white-space: pre-wrap; }\n"
"</style></head><body style=\" font-family:\'SimSun\'; font-size:9pt; font-weight:400; font-style:normal;\">\n"
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><span style=\" font-size:48pt; font-weight:600; font-style:italic;\">Hi My Firends</span></p></body></html>"))

Main program code

#        First, import the layout class 
import PyQt5
from PyQt5.QtWidgets import QMainWindow
from untitled import Ui_Form
#        In this way, you can inherit this window 
#        These two windows must inherit 
class MyGui(QMainWindow,Ui_Form):
    #        Initialize window 
    def __init__(self):
        super().__init__()
        self.setupUi(self)



if __name__ == '__main__':
    import sys
    app = PyQt5.QtWidgets.QApplication(sys.argv)
    MyUiStart = MyGui()
    MyUiStart.show()#       ui It will show 
    sys.exit(app.exec_())

原网站

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本文为[Opencv+pyqt Xiaobai]所创，转载请带上原文链接，感谢
https://yzsam.com/2022/02/202202160025120376.html

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