4.9 时间轴的一份配置

主要关注时间轴位置，星号标记

timeline: {
    show: true,
    enable: true,
    bottom: "50%",*
    pTopPercent: 80,*
    widthPercent: 50,*
    heightPercent: 40,*
    label: {
      normal: {
        position: -20,*
        rotate: 90,
        interval: 0,
        textStyle: {
          color: "#000"
        }
      },
      align: "center",
      fontSize: 10,
      height: 40
    },
    lineStyle: {
      color: "rgb(37,155,255)"
    },
    itemStyle: {
      normal: {
        color: "rgb(37,155,255)"
      }
    },
    checkpointStyle: {
      symbol: "emptyCircle",
      color: "rgb(37,155,255)",
      borderColor: "rgb(37,155,255)",
      borderWidth: 1,
      symbolSize: 8
    },
    axisType: "category",
    autoPlay: true,
    rewind: false,
    rewindSort: false,
    orient: "horizontal",
    loop: true,
    symbol: "circle",
    symbolSize: 6,
    playInterval: 2000,
    left: 0,
    pLeftPercent: 0,
    right: "6%",
    top: 0,
    padding: [
      1,
      0,
      0,
      1
    ],
    controlStyle: {
      normal: {
        color: "#000"
      },
      showPrevBtn: false,
      showNextBtn: false
    }
  },