PySide6 GUI 编程（25）：QMessageBox的简单使用

QMessageBox的创建以及按钮

示例代码

代码语言：python代码运行次数：0复制

def new_message_box():
    message_box = QMessageBox()
    message_box.setWindowTitle('这是一个 QMessageBox 实例')

    # 设置文本
    message_box.setText(f'{get_time_str()}')

    # 设置按钮
    message_buttons = QMessageBox.StandardButton.Ok
    for i in QMessageBox.StandardButton:
        message_buttons = message_buttons | i
    message_box.setStandardButtons(message_buttons)

    # 对话框运行
    ret = message_box.exec()

    # 获取按钮值
    print('message box clicked: ', QMessageBox.StandardButton(ret).name)

运行效果

QMessageBox常见的标准窗口

示例代码

代码语言：python代码运行次数：0复制

from __future__ import annotations

import sys
from datetime import datetime

from PySide6.QtWidgets import QApplication, QMainWindow, QMessageBox, QPushButton, QVBoxLayout, QWidget


def get_time_str() -> str:
    return datetime.now().isoformat(sep = ' ')


def new_message_box():
    message_box = QMessageBox()
    message_box.setWindowTitle('这是一个 QMessageBox 实例')

    # 设置文本
    message_box.setText(f'{get_time_str()}')

    # 设置按钮
    message_buttons = QMessageBox.StandardButton.Ok
    for i in QMessageBox.StandardButton:
        message_buttons = message_buttons | i
    message_box.setStandardButtons(message_buttons)

    # 对话框运行
    ret = message_box.exec()

    # 获取按钮值
    print('message box clicked: ', QMessageBox.StandardButton(ret).name)


class MyMainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setWindowTitle('QMessageBox类型')
        self.button = QPushButton('生成QMessageBox')
        self.button.clicked.connect(new_message_box)

        self.about_button = QPushButton('生成QMessageBox.about')
        self.about_button.clicked.connect(self.new_about_box)

        self.critical_button = QPushButton('生成QMessageBox.critical')
        self.critical_button.clicked.connect(self.new_critical_box)

        self.information_button = QPushButton('生成QMessageBox.information')
        self.information_button.clicked.connect(self.new_information_box)

        self.question_button = QPushButton('生成 QMessageBox.question')
        self.question_button.clicked.connect(self.new_question_box)

        self.warning_button = QPushButton('生成 QMessageBox.warning')
        self.warning_button.clicked.connect(self.new_warning_box)

        v_layout = QVBoxLayout()
        v_layout.addWidget(self.button)
        v_layout.addWidget(self.about_button)
        v_layout.addWidget(self.critical_button)
        v_layout.addWidget(self.information_button)
        v_layout.addWidget(self.question_button)
        v_layout.addWidget(self.warning_button)

        container = QWidget()
        container.setLayout(v_layout)

        self.setCentralWidget(container)

    def new_about_box(self):
        QMessageBox.about(self, '这是一个 About 窗口', f'About 窗口: {get_time_str()}')

    def new_critical_box(self):
        ret = QMessageBox.critical(self, '这是一个 Critical 窗口', f'Critical 窗口: {get_time_str()}')
        print('critical box clicked:', QMessageBox.StandardButton(ret).name)

    def new_information_box(self):
        QMessageBox.information(self, '这是一个 Information 窗口', f'Information 窗口: {get_time_str()}')

    def new_question_box(self):
        ret = QMessageBox.question(self, '这是一个 Question 窗口', f'Question 窗口: {get_time_str()}')
        print('question box clicked:', QMessageBox.StandardButton(ret).name)

    def new_warning_box(self):
        ret = QMessageBox.warning(self, '这是一个 Warning 窗口', f'Warning 窗口: {get_time_str()}')
        print('warning box clicked:', QMessageBox.StandardButton(ret).name)


if __name__ == "__main__":
    app = QApplication(sys.argv)
    ins = MyMainWindow()
    ins.show()
    sys.exit(app.exec())

运行效果

触发按钮列表

about窗口

critical窗口

information窗口

question窗口

warning窗口

pythonPySide6 GUI编程 Python3

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