highcharts 可拖拽动态表格示例（区间、步长、显示精度）

plotOptions: {
    series: {
      cursor: 'ns-resize',
      redraw: false,
      dragDrop: {
        draggableY: true,
        dragPrecisionY:0.1,
        dragMinY: DataParams.minValue,
        dragMaxY: DataParams.maxValue
      },
      point: {
        events: {
          //拖动事件
          drag: function (e) {

          },
          //拽(停止拖动)事件
          drop: function (e) {
            console.log('index',this.index);
            console.log('series',this.series);
            console.log('y',this.y);
          },
          //点击事件
          click: function (e) {

          }
        }
      }
    }
  },