时间坐标轴+时间比例echarts custom配置项内容和展示

      const _colorList = [
  'rgba(193,46,52,0.7)',
  'rgba(230,182,0,0.7)',
  'rgba(0,152,217,0.7)',
  'rgba(43,130,29,0.7)',
  'rgba(0,94,170,0.7)',
  'rgba(51,156,168,0.7)',
  'rgba(205,168,25,0.7)',
  'rgba(50,164,135,0.7)',
  'rgba(79,129,189,0.7)',
  'rgba(192,80,77,0.7)',
  'rgba(155,187,89,0.7)',
  'rgba(96,74,123,0.7)',
  'rgba(148,138,84,0.7)',
  'rgba(228,108,11,0.7)'
]

var data = []
var oneDay = 24 * 3600 * 1000
var fiveMinutes = 1800 * 1000
var count = oneDay / fiveMinutes
var timestr = '2019/6/1 00:00:00'
var startTime = +new Date(timestr) - fiveMinutes

function randomData(now) {
  var value = Math.floor(Math.random() * 10)

  return {
    name: now.toString(),
    value: [now.toLocaleDateString() + ' ' + now.getHours() + now.toLocaleTimeString().substr(-6, 6), value]
  }
}
//
// var now = +new Date(2020, 6, 29)
// var oneDay = 24 * 3600 * 1000

for (var i = 0; i <= count; i++) {
  startTime = new Date(+startTime + fiveMinutes)
  data.push(randomData(startTime))
}

option = {
  title: {
    text: '动态数据 + 时间坐标轴'
  },
  // tooltip: {
  //   trigger: 'axis',
  //   formatter: function(params) {
  //     params = params[0]
  //     var date = new Date(params.name)
  //     return date.getDate() + '/' + (date.getMonth() + 1) + '/' + date.getFullYear() + ' : ' + params.value[1]
  //   },
  //   axisPointer: {
  //     animation: false
  //   }
  // },
  grid: [
    {
      top: 80,
      left: 50,
      bottom: 30,
      right: 50
    },
    {
      top: 80,
      left: 50,
      right: 50,
      height: 150
    }
  ],
  dataZoom: [
    {
      top: 230,
      left: 50,
      type: 'slider', // 数据滑块
      xAxisIndex: 0,
      start: 0,
      minSpan: 8, // 5min
      // minSpan:16,   //10min
      // minSpan:24,   //15min
      // minSpan:50,   //30min
      dataBackground: {
        lineStyle: {
          color: '#95BC2F'
        },
        areaStyle: {
          color: '#95BC2F',
          opacity: 1
        }
      },
      fillerColor: 'rgba(255,255,255,.6)'
    },
    {
      type: 'inside', // 使鼠标在图表中时滚轮可用
      xAxisIndex: 0
    }
  ],
  xAxis: {
    type: 'time',
    position: 'top',
    gridIndex: 1,
    splitLine: {
      show: false
    }
  },
  yAxis: {
    type: 'value',
    gridIndex: 1,
    inverse: true,
    show: false,
    min: 0,
    max: 10
  },
  series: [
    {
      name: '模拟数据',
      type: 'custom',
      renderItem: (params, api) => {
        var color = _colorList[api.value(1)]
        var xStart = api.value(0)
        var xEnd = api.value(0)
        if (params.dataIndex + 1 !== data.length) {
          xEnd = new Date(data[params.dataIndex + 1].value[0]).getTime()
        }
        var scaleStart = api.coord([xStart, 0])
        var scaleSize = api.size([xEnd - xStart, 10])

        return {
          type: 'rect',
          shape: {
            x: scaleStart[0],
            y: scaleStart[1],
            width: scaleSize[0],
            height: scaleSize[1]
          },
          style: api.style({ fill: color })
        }
      },
      data: data
    }
  ]
}