在上面的示例中,我们创建了一个简单的GUI应用程序,其中包含一个文本框和两个按钮。用户可以输入姓名并点击“Save”按钮将数据保存到SQLite数据库中。用户还可以点击“Retrieve”按钮检索数据库中的所有数据。 注意:在运行这个示例之前,需要安装PyQt5和sqlite3模块。可以使用以下命令来安装这些模块: pip install PyQt5 ...
# -*- coding=utf-8 -*- from PyQt5.QtWidgets import QLabel, QLineEdit, QWidget, QPushButton, \ QMessageBox, QApplication from PyQt5.QtGui import QFont from Database import Database import sys class SignWindow(QWidget): def __init__(self): super(SignWindow, self).__init__() self...
Learn to create a desktop app with Python and Qt. Contribute to pyqt/examples development by creating an account on GitHub.
It doesn't come with advanced widgets, such as data-driven views, database interfaces, vector graphics canvas, or multimedia GUI elements. To implement any of these in your applications, you need to write them yourself. This is achievable but will add to your development & maintenance burden....
The examples in this tutorial require a basic knowledge of the SQL language, especially of the SQLite database management system. Some previous knowledge of GUI programming with Python and PyQt will also be helpful.Free Bonus: 5 Thoughts On Python Mastery, a free course for Python developers ...
Examples of some major classes in PyQt1. QMainWindow: The Foundation of GUI ApplicationsQMainWindow represents the main application window, providing a centralized hub for organizing widgets, menus, toolbars, and more. By inheriting from QMainWindow, developers can quickly create robust application ...
Install zlib on Ubuntu with: sudo apt install zlib1g-dev Zlib is required by the pyqtdeploy project $PYQT_CROM_DIR/examples/demo/demo_project/config.pdt to correctly identify the dependencies from the $PYQT_CROM_DIR/examples/demo/demo_project/sysroot.toml. 💡 Sysroot setup tips can be ob...
Create your application’s GUI. Show your application’s GUI. Run your application’s event loop, or main loop. You can download the source code for the examples that you’ll code in this section by clicking the link below: Download Code: Click here to download the code that you’ll use...
PyQt5是一个用于创建图形用户界面(GUI)的Python库。它是基于Qt框架的Python绑定,可以用于开发跨平台的桌面应用程序。 要重置QtWidgets.QGroupBox的内容,可以按照以下步骤进行操作: 首先,创建一个QtWidgets.QGroupBox对象,用于包含需要重置的内容。 代码语言:txt 复制 group_box = QtWidgets.QGroupBox("Group Box") 在...
clicked.connect(self.search) cams = Database.get_instance().get_cam_list(None) self.camera.clear() self.camera.addItems(["None"]) self.camera.addItems(id for id, cam, feed in cams) self.camera.setCurrentIndex(0) Example #2Source File: main_gui.py From IDAngr with BSD 2-Clause "...