VRS/UserSwitch.qml

import QtQuick 2.12
import QtQuick.Controls 2.12

  Switch {
      id: control
      text: qsTr("Switch")

      //background: Rectangle{
          //color: "lightyellow"
     //     implicitWidth: 60
     //     implicitHeight: 40
     // }

      indicator: Rectangle {
          implicitWidth: 48
          implicitHeight: 26
          x: control.leftPadding
          y: parent.height / 2 - height / 2

          radius: 13
          color: control.checked ? "green" : "#ffffff"
          border.color: control.checked ? "green" : "#cccccc"

          //小圆点
          Rectangle {
              id : smallRect
              width: 26
              height: 26
              radius: 13
              color: control.down ? "#cccccc" : "#ffffff"
              border.color: control.checked ? (control.down ? "#17a81a" : "#21be2b") : "#999999"

            //改变小圆点的位置
              NumberAnimation on x{
                  to: smallRect.width
                  running: control.checked ? true : false
                  duration: 200
              }

            //改变小圆点的位置
              NumberAnimation on x{
                  to: 0
                  running: control.checked ? false : true
                  duration: 200
              }
          }
      }

      //要显示的文本
      contentItem: Text {
          //text: control.checked.toString()
          text: control.text
          font.pixelSize: 13
          font.bold: true
          //鼠标按下时  control.down
          color: control.checked ? "green" : "gray"
          verticalAlignment: Text.AlignVCenter
          anchors.left: indicator.right
      }
}