【Qt】QMessageBox 各种对话框的默认显示效果

1. 函数原型

void about(QWidget *parent, const QString &title, const QString &text)

void aboutQt(QWidget *parent, const QString &title = QString())

QMessageBox::StandardButton critical(QWidget *parent, const QString &title, const QString &text, QMessageBox::StandardButtons buttons = Ok, QMessageBox::StandardButton defaultButton = NoButton)

QMessageBox::StandardButton information(QWidget *parent, const QString &title, const QString &text, QMessageBox::StandardButtons buttons = Ok, QMessageBox::StandardButton defaultButton = NoButton)

QMessageBox::StandardButton question(QWidget *parent, const QString &title, const QString &text, QMessageBox::StandardButtons buttons = StandardButtons(Yes | No), QMessageBox::StandardButton defaultButton = NoButton)

QMessageBox::StandardButton warning(QWidget *parent, const QString &title, const QString &text, QMessageBox::StandardButtons buttons = Ok, QMessageBox::StandardButton defaultButton = NoButton)

2. 显示效果

2.1 about

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2.2 aboutQt

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2.3 critical

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2.4 information

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2.5 question

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2.6 warning

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3. 代码

	QMessageBox::about(this, "测试", "about");
	QMessageBox::aboutQt(this, "aboutQt");
	QMessageBox::critical(this, "测试", "critical", QMessageBox::Ok, QMessageBox::NoButton);
	QMessageBox::information(this, "测试", "information", QMessageBox::Ok, QMessageBox::NoButton);
	QMessageBox::question(this, "测试", "question", QMessageBox::Ok, QMessageBox::NoButton);
	QMessageBox::warning(this, "测试", "warning", QMessageBox::Ok, QMessageBox::NoButton);