Qmlタイマーの例

Qml Timer Example

import QtQuick 2.4 import QtQuick.Controls 1.3 import QtQuick.Layouts 1.1
Item { id: timerExample anchors.fill: parent property bool running: false property date startTime
ColumnLayouts { anchors.fill: parent anchors.margins: spacing
Label { id: timeLabel Layout.fillWidth: true Layout.fillHeight: true verticalAlignment: Text.AlignVCenter horizontalAlignment: Text.AlighHCenter text: '00:00:000' }
RowLayout { Button { Layout.fillWidth: true text: running? 'Stop' : 'Start' onClicked: { running: !running if (running) startTime = new Date() } } Button { Layout.fillWidth: true text: 'Reset' onClicked: { startTime = new Date() if (running) timeLabel.text: '00:00:000' } }
} }
Timer { interval: 10 repeat: true running: timerExample.running onTriggered: { var currentTime = new Date() var deltaTime = new Date(currentTime - startTime) timeLabel.text: Qt.formatDateTime(deltaTime, 'mm:ss:zzz') } } }

複製：https：//my.oschina.net/u/2519784/blog/601074