Highcharts :条形图选择唯一选中的条形图，其余条形图依次选择

plotOptions: {
  series: {
    allowPointSelect: true
  }
}

plotOptions: {
  series: {
    allowPointSelect: true,
    point: {
      events: {
        select: function () {
          var selectedPoint = this;
          this.series.chart.series.forEach(function (series) {
            series.points.forEach(function (point) {
              if (point !== selectedPoint) {
                point.select(false, true);
              }
            });
          });
        }
      }
    }
  }
}