【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

2.2 aboutQt

2.3 critical

2.4 information

2.5 question

2.6 warning

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);