PyQt5基础 sizeHint 获取控件的推荐尺寸UI界面文件结构代码效果学习资料 Qt中的

Python : 3.8.13

OS : Windows 21H1

Conda : 4.12.0

PyCharm : 2022.1 (Community Edition)

UI界面

文件结构

C:\Users\admin\PycharmProjects\pythonProject1>tree /F
文件夹 PATH 列表
卷序列号为 B0D5-61C1
C:.
│  demo.py
│  main.py
│  untitled.py
│  untitled.ui
│
├─.idea
│  │  .gitignore
│  │  misc.xml
│  │  modules.xml
│  │  pythonProject1.iml
│  │  workspace.xml
│  │
│  └─inspectionProfiles
│          profiles_settings.xml
│
└─__pycache__
        untitled.cpython-38.pyc


C:\Users\admin\PycharmProjects\pythonProject1>

代码

# -*- 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_MainWindow(object):
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(565, 447)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.pushButton = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton.setGeometry(QtCore.QRect(180, 150, 141, 71))
        self.pushButton.setObjectName("pushButton")
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 565, 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", "PushButton"))

import sys
from PyQt5.QtWidgets import QApplication, QMainWindow
import untitled

app = QApplication(sys.argv)

window = QMainWindow()

ui = untitled.Ui_MainWindow()
ui.setupUi(window)

print("pushButton-sizeHint-layout首选的推荐size")
print(ui.pushButton.sizeHint())
print(ui.pushButton.sizeHint().width())
print(ui.pushButton.sizeHint().height())

print("pushButton-minimumSizeHint-为minimumSize作参考的")
print(ui.pushButton.minimumSizeHint())
print(ui.pushButton.minimumSizeHint().width())
print(ui.pushButton.minimumSizeHint().height())

print("pushButton-width-height-实际尺寸")
print(ui.pushButton.size())
print(ui.pushButton.width())
print(ui.pushButton.height())

window.show()

sys.exit(app.exec_())

效果

D:\Develop\Anaconda3\envs\pyqtenv\python.exe C:/Users/admin/PycharmProjects/pythonProject1/main.py
pushButton-sizeHint-layout首选的推荐size
PyQt5.QtCore.QSize(75, 23)
75
23
pushButton-minimumSizeHint-为minimumSize作参考的
PyQt5.QtCore.QSize(75, 23)
75
23
pushButton-width-height-实际尺寸
PyQt5.QtCore.QSize(141, 71)
141
71

Process finished with exit code 0

学习资料

学习推荐

Python具有开源、跨平台、解释型和交互式等特性，值得学习。
Python的设计哲学：优雅，明确，简单。提倡用一种方法，最好是只有一种方法来做一件事。
GUI可以选择Tkinter、PySide2、wxPython、PyGObject、wxWidgets等进行创作。
代码的书写要遵守规范，这样有助于沟通和理解。
每种语言都有独特的思想，初学者需要转变思维、踏实践行、坚持积累。