Push-button that can be clicked to perform a command or answer a question. 更多...
| import 语句: | import QtQuick.Controls 2.2 | 
| Since: | Qt 5.7 | 
| 继承: | AbstractButton | 
| 继承者: | RoundButton and ToolButton | 
Button presents a push-button control that can be pushed or clicked by the user. Buttons are normally used to perform an action, or to answer a question. Typical buttons are OK , Apply , Cancel , Close , Yes , No ,和 帮助 .
Button inherits its API from AbstractButton . For instance, you can set text , display an icon , and react to clicks 使用 AbstractButton API.
A button emits the signal clicked() when it is activated by the user. Connect to this signal to perform the button's action. Buttons also provide the signals canceled() , doubleClicked() , pressed() , released() and pressAndHold() for long presses.
See the snippet below on how to connect to the button's signals.
RowLayout {
    Button {
        text: "Ok"
        onClicked: model.submit()
    }
    Button {
        text: "Cancel"
        onClicked: model.revert()
    }
}
					
					另请参阅 Customizing Button and 按钮控件 .
| flat : bool | 
This property holds whether the button is flat.
					A flat button typically does not draw a background unless it is pressed or checked.
						默认值为
						
false
						
						.
					
| highlighted : bool | 
This property holds whether the button is highlighted.
					A button can be highlighted in order to draw the user's attention towards it. It has no effect on keyboard interaction.
						默认值为
						
false
						
						.