标签:turn button ext range fir 练习 qml quick extc
import QtQuick 2.9 // 导入模块
import QtQuick.Window 2.2
import QtQuick.Controls 2.2 // 导入的模块
Window {
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")
/*
    // 不可见元素
    Column{
        Button {
            text: qsTr("btn text")
        }
        Label {
            text: qsTr("red")
            color: "red"
            font.pointSize: 20
        }
        RangeSlider {
            from: 1
            to: 100
            first.value: 25
            second.value: 75
        }
    }
    Button {
       text: qsTr("我是一个按钮")
       //槽函数
       onClicked: {
           console.log("btn click")
           text = qsTr("我改变了")
       }
       onTextChanged: {
           console.log("new text",text)
       }
    }
    */
    Button {
        text: qsTr("我是按钮")
        // 槽函数
        onClicked: showAddResult(add(10,20))
        // 方法
        function add(num1,num2){
            return num1+num2
        }
        function showAddResult(result){
            console.log(result)
        }
    }
}
标签:turn button ext range fir 练习 qml quick extc
原文地址:https://www.cnblogs.com/lodger47/p/14770601.html