echarts 柱状配置项内容和展示

      option = {
  tooltip: {
    trigger: 'axis',
    axisPointer: {
      type: 'cross',
      crossStyle: {
        color: '#999'
      }
    }
  },
  legend: {
    data: ['Evaporation', 'Precipitation', 'Temperature']
  },
  xAxis: [
    {
      type: 'category',
      data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
    }
  ],
  yAxis: [
    {
      type: 'value',
      name: 'Precipitation',
    }
  ],
  series: [
    {
      name: 'Evaporation',
      type: 'bar',
      data: [
        2.0, 4.9, 7.0, 23.2, 25.6, 76.7, 135.6, 162.2, 32.6, 20.0, 6.4, 3.3
      ]
    },
    {
      name: 'Precipitation',
      type: 'bar',
      data: [
        2.6, 5.9, 9.0, 26.4, 28.7, 70.7, 175.6, 182.2, 48.7, 18.8, 6.0, 2.3
      ]
    },
    {
      name: 'Temperature',
      type: 'bar',
      data: [2.0, 2.2, 3.3, 4.5, 6.3, 10.2, 20.3, 23.4, 23.0, 16.5, 12.0, 6.2]
    }
  ]
};