强调曲线图echarts 折线配置项内容和展示

      option = {
  title: {
    text: 'Distribution of Electricity',
    subtext: 'Fake Data'
  },
  tooltip: {
    trigger: 'axis',
    axisPointer: {
      type: 'cross'
    }
  },
  toolbox: {
    show: true,
    feature: {
      saveAsImage: {}
    }
  },
  legend:{
      data:['Electricity']
  },
  xAxis: {
    type: 'category',
    boundaryGap: true,
    // prettier-ignore
    data: ['00:00', '01:15', '02:30', '03:45', '05:00', '06:15', '07:30', '08:45', '10:00', '11:15', '12:30', '13:45', '15:00', '16:15', '17:30', '18:45', '20:00', '21:15', '22:30', '23:45']
  },
  yAxis: {
    type: 'value',
    axisLabel: {
      formatter: '{value} W'
    },
    axisPointer: {
      snap: true
    }
  },
  visualMap: {
    show: true,
    dimension: 0,
    pieces: [
      {
        lte: 6,
        color: 'green'
      },
      {
        gt: 6,
        lte: 8,
        color: 'red'
      },
      {
        gt: 8,
        lte: 14,
        color: 'green'
      },
      {
        gt: 14,
        lte: 17,
        color: 'red'
      },
      {
        gt: 17,
        color: 'green'
      }
    ]
  },
  series: [
    {
      name: 'Electricity',
      type: 'line',
      smooth: true,
      symbol: 'circle',
      symbolSize: 10,
      emphasis: {
        itemStyle: {
          borderWidth: 10
        }
      },
      itemStyle: {
        borderColor: 'green',
        borderWidth: 0
      },
      // prettier-ignore
      data: [300, 280, 250, 260, 270, 300, 550, 500, 400, 390, 380, 390, 400, 500, 600, 750, 800, 700, 600, 400],
      markArea: {
        itemStyle: {
          color: 'rgba(255, 173, 177, 0.4)' //背景色
        },
        label: {
          color: 'red' //文字颜色
        },
        data: [
          [
            {
              name: 'Morning Peak',
              xAxis: '07:30'
            },
            {
              xAxis: '10:00'
            }
          ],
          [
            {
              name: 'Evening Peak',
              xAxis: '17:30'
            },
            {
              xAxis: '21:15'
            }
          ]
        ]
      }
    }
  ]
};