Qt Quick 底部导航+路径动画_qt路径动画

写一百次底部导航,有100次不同的写法,我也醉了 ,因此在此记录各种不同的写法

FooterItem.Qml:
import QtQuick 2.7
import QtQuick.Controls 2.0
import QtQuick.Layouts 1.0
import QtQuick.Controls.Material 2.0
import  "./GoogleColor.js"   as  GColor

Rectangle{
    signal  click();
    property string mtxt: ""
    width: parent.width/4
    height: parent.height
    border.width: 1
    border.color: "#cccccc"
    Behavior on color{
        PropertyAnimation{duration: 1000}
    }

    Text{
        text:mtxt
        anchors.centerIn: parent
        font.pixelSize: 18
        color:"#ffffff"
        font.bold: true
    }
    MouseArea{
        anchors.fill: parent
        onClicked: {
            click();
        }
    }
}
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MyFooterItem.qml:
import QtQuick 2.7
import QtQuick.Controls 2.0
import QtQuick.Layouts 1.0
import QtQuick.Controls.Material 2.0
import  "./GoogleColor.js"   as  GColor


Item {
    property int  curindex: 0
    property int mw: 0
    property int mh: 0
    property int mx: 0
    property int my: 0

    Component.onCompleted: {
        curindex=0
    }



    Rectangle{
        id:bks
        width: mw
        height: mh
        color: GColor.浅绿色["700"]
        z:parent.z+1
        opacity: 0.21
    }


    PathAnimation{
        id:p
        loops: 1
        target:bks
        duration: 555
        path: Path{
                PathLine{
                    x:mx
                    y:my
                }
        }
    }


    function  setorg(it)
    {
        mw=it.width
        mh=it.height
        mx=it.x
        my=it.y
        p.restart()
    }

    Row{
        anchors.fill: parent
        FooterItem{
            mtxt: "首页"
            color:curindex==0?GColor.浅绿色["500"]:GColor.浅蓝色["500"]
            onClick: {
                curindex=0
                setorg(this)


            }
        }
        FooterItem{
            mtxt: "附近"
            color:curindex==1?GColor.浅绿色["500"]:GColor.浅蓝色["500"]
            onClick: {
                curindex=1
                 setorg(this)
            }
        }
        FooterItem{
            mtxt: "消息"
            color:curindex==2?GColor.浅绿色["500"]:GColor.浅蓝色["500"]
            onClick: {
                curindex=2
                 setorg(this)
            }
        }
        FooterItem{
            mtxt: "个人中心"
            color:curindex==3?GColor.浅绿色["500"]:GColor.浅蓝色["500"]
            onClick: {
                curindex=3
                 setorg(this)
            }
        }
    }


}
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MAIN.QML:


import QtQuick 2.7
import QtQuick.Controls 2.0
import QtQuick.Layouts 1.0
import QtQuick.Controls.Material 2.0
import  "./GoogleColor.js"   as  GColor
ApplicationWindow {
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    footer:MyFooter{
        width: parent.width
        height: 60
        onCurindexChanged: {
            console.log(curindex)
        }
    }
}
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