PyQt5消息框QMessageBox

QMessageBox在PyQt5.QtWidgets下，要先导入

from PyQt5 import QtWidgets

通用参数说明

QMessageBox下的消息框一般传参如下

• 第一个参数QWidget为父窗口
• 第二个参数为消息框的窗口标题
• 第三个参数是按钮，多个按钮用|分开例如

msg_box = QtWidgets.QMessageBox
msg_box.question(self, '窗口标题', '提示信息', msg_box.Ok | msg_box.Cancel | msg_box.Yes, msg_box.Cancel)

• 第四个参数为默认高亮的按钮

QMessageBox内置的常用按钮

• QMessageBox.Ok
• QMessageBox.No
• QMessageBox.Cancel
• QMessageBox.Yes
• QMessageBox.Close
• QMessageBox.Discard

信息框QMessageBox.information

def information(self, QWidget, p_str, p_str_1, buttons, QMessageBox_StandardButtons=None, QMessageBox_StandardButton=None, *args, **kwargs): # real signature unknown; NOTE: unreliably restored from __doc__ 
        """ information(QWidget, str, str, buttons: Union[QMessageBox.StandardButtons, QMessageBox.StandardButton] = QMessageBox.Ok, defaultButton: QMessageBox.StandardButton = QMessageBox.NoButton) -> QMessageBox.StandardButton """
        pass

问答框 QMessageBox.question

def question(self, QWidget, p_str, p_str_1, buttons, QMessageBox_StandardButtons=None, QMessageBox_StandardButton=None, *args, **kwargs): # real signature unknown; NOTE: unreliably restored from __doc__ 
        """ question(QWidget, str, str, buttons: Union[QMessageBox.StandardButtons, QMessageBox.StandardButton] = QMessageBox.StandardButtons(QMessageBox.Yes|QMessageBox.No), defaultButton: QMessageBox.StandardButton = QMessageBox.NoButton) -> QMessageBox.StandardButton """
        pass

警告QMessageBox.warning

def warning(self, QWidget, p_str, p_str_1, buttons, QMessageBox_StandardButtons=None, QMessageBox_StandardButton=None, *args, **kwargs): # real signature unknown; NOTE: unreliably restored from __doc__ 
        """ warning(QWidget, str, str, buttons: Union[QMessageBox.StandardButtons, QMessageBox.StandardButton] = QMessageBox.Ok, defaultButton: QMessageBox.StandardButton = QMessageBox.NoButton) -> QMessageBox.StandardButton """
        pass

危险QMessageBox.critical

def critical(self, QWidget, p_str, p_str_1, buttons, QMessageBox_StandardButtons=None, QMessageBox_StandardButton=None, *args, **kwargs): # real signature unknown; NOTE: unreliably restored from __doc__ 
        """ critical(QWidget, str, str, buttons: Union[QMessageBox.StandardButtons, QMessageBox.StandardButton] = QMessageBox.Ok, defaultButton: QMessageBox.StandardButton = QMessageBox.NoButton) -> QMessageBox.StandardButton """
        pass

关于QMessageBox.about

def about(self, QWidget, p_str, p_str_1): # real signature unknown; restored from __doc__
        """ about(QWidget, str, str) """
        pass

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