QML —— RadioButton的两个经典示例（附完整源码）

示例1-效果

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示例2-效果

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实例1 - 源码

import QtQuick 2.12
import QtQuick.Window 2.12

import QtQuick.Layouts 1.12
import QtQuick.Controls 2.5

Window
{
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    Text
    {
        id: className
        text: qsTr("--")
        anchors.horizontalCenter: parent.horizontalCenter
        anchors.verticalCenter: parent.verticalCenter
        anchors.verticalCenterOffset: parent.height/4
        font.pixelSize: 25
        font.family: "微软雅黑"
    }

    Column
    {
        anchors.top: parent.top
        anchors.topMargin: 10
        anchors.left: parent.left
        anchors.leftMargin: 10
        spacing: 10
        Text
        {
            text: qsTr("选择你喜欢的课程:")
            font.pixelSize: 20
            font.family: "微软雅黑"
        }
        
        Grid
        {
            anchors.left: parent.left
            anchors.leftMargin: 30
            rowSpacing: 10
            columnSpacing: 40
            columns: 3

            Repeater
            {
                id: radioButtonList
                model:["语文","数学","英语","物理","化学","政治","历史","美术","音乐"]
                RadioButton
                {
                    text: modelData
                    autoExclusive:false
                }
            }
        }

        Button
        {
            text: "选择确定"
            onClicked:
            {
                let str="";
                for (var i = 0; i < radioButtonList.count; i++)
                {
                    if(radioButtonList.itemAt(i).checked)
                    {
                        if(str.length!==0){str +=","}
                        str += radioButtonList.itemAt(i).text
                    }
                }
                className.text = str.length===0?"--":str
            }
        }
    }
}

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实例2 - 源码

import QtQuick 2.12
import QtQuick.Window 2.12

import QtQuick.Layouts 1.12
import QtQuick.Controls 2.5

Window
{
    id: rootId
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    Text
    {
        id: className
        text: qsTr("--")
        anchors.horizontalCenter: parent.horizontalCenter
        anchors.verticalCenter: parent.verticalCenter
        anchors.verticalCenterOffset: parent.height/4
        font.pixelSize: 25
        font.family: "微软雅黑"
    }

    Column
    {
        anchors.top: parent.top
        anchors.topMargin: 10
        anchors.left: parent.left
        anchors.leftMargin: 10
        spacing: 10
        Text
        {
            text: qsTr("选择你喜欢的课程:")
            font.pixelSize: 20
            font.family: "微软雅黑"
        }

        Grid
        {
            anchors.left: parent.left
            anchors.leftMargin: 30
            rowSpacing: 10
            columnSpacing: 40
            columns: 3

            Repeater
            {
                id: radioButtonList
                model:["语文","数学","英语","物理","化学","政治","历史","美术","音乐"]
                RadioButton
                {
                    text: modelData
                    autoExclusive:false
                    onCheckedChanged:
                    {
                        rootId.sltCheckedChanged(text,checked)
                    }
                }
            }
        }
    }

    property var classNameList:[];
    function sltCheckedChanged(txt,isChecked)
    {
        if(isChecked){classNameList.push(txt)}
        else{classNameList.splice(classNameList.indexOf(txt),1)}

        let str="";
        for (var i = 0; i < classNameList.length; i++)
        {
            if(str.length!==0){str +=","}
            str += classNameList[i]
        }
        className.text = str.length===0?"--":str
    }
}

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关注

笔者 - jxd

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