echarts--图表中markpoint图标的位置

ech.png

option = {
  xAxis: {
    type: "category",
    data: ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"]
  },
  yAxis: {},
  series: [{
    data: [820, 932, 901, 934, 1290, 1330, 1320],
   type: "line",
    markPoint: {
      data: [{
        type: "max"
      }],
      symbol: "rect",
      symbolOffset: [0, -30] // 设置markpoint图标的位置
    }
  }]
}