红绿灯切换功能"/>
qml实现红绿灯切换功能
题目要求:
参考代码:
实现源码:
import QtQuick 2.12
import QtQuick.Window 2.12Window {visible: truewidth: 640height: 480color: "gray"title: qsTr("Hello World")//分配时间 221Timer{id:statechangeinterval: 1000running:truesrepeat:trueonTriggered:{sonwindow1.aNumber++if(sonwindow1.aNumber>10) sonwindow1.aNumber = 0switch(sonwindow1.aNumber%10){case 0:sonwindow1.state = "go";break
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qml实现红绿灯切换功能
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