Echarts在线免费图表

 
            let index = 0
let data = [
   [
          [24, 40, 101, 134, 90, 230, 210, 230, 120, 230, 210, 120],
          [40, 64, 191, 324, 290, 330, 310, 213, 180, 200, 180, 79]
        ],
        [
          [23, 75, 12, 97, 21, 67, 98, 21, 43, 64, 76, 38],
          [43, 31, 65, 23, 78, 21, 82, 64, 43, 60, 19, 34]
        ],
        [
          [34, 87, 32, 76, 98, 12, 32, 87, 39, 36, 29, 36],
          [56, 43, 98, 21, 56, 87, 43, 12, 43, 54, 12, 98]
        ],
        [
          [43, 73, 62, 54, 91, 54, 84, 43, 86, 43, 54, 53],
          [32, 54, 34, 87, 32, 45, 62, 68, 93, 54, 54, 24]
        ]
]

  setInterval(function () {
    //1.数组下标++ 切换数据
    index++
    if (index > 3) {
      //数组最大下标为3,
      index = 0
    }
    //2.替换数据
    option.series[0].data = data[index][0]
    option.series[1].data = data[index][1]
    //3.重新渲染 echarts图表
    myChart.setOption(option)
  }, 3000)

  option = {
     backgroundColor:'#222',
    title: {
      text: '单位:万',
      left: 30,
      // 文字颜色
      textStyle: {
        color: '#4c9bfd'
      }
    },
    tooltip: {
      trigger: 'axis'
    },
    legend: {
      data: ['预期销售额', '实际销售额'],
      left: 'right',
      textStyle: {
        color: '#fff'
      }
    },
    grid: {
      left: '3%',
      right: '4%',
      bottom: '3%',
      containLabel: true
    },
    xAxis: {
      type: 'category',
      boundaryGap: false,
      // 文字颜色
      axisLabel: {
        color: '#4c9bfd'
      },
      data: ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月']
    },
    yAxis: {
      /* 刻度为数据最大刻度 */
      max: 'dataMax',
      type: 'value',
      // 文字颜色
      axisLabel: {
        color: '#4c9bfd'
      },
      //修改刻度颜色
      splitLine: {
        lineStyle: {
          color: '#012f4a'
        }
      }
    },
    series: [
      {
        name: '预期销售额',
        type: 'line',
        stack: '总量',
        //曲线
        smooth: true,
        //圆圈大小
        symbolSize: 8,
        itemStyle: {
          color: '#00f2f1' // 线颜色
        },
        data: data[0][0]
      },
      {
        name: '实际销售额',
        type: 'line',
        stack: '总量',
        //曲线
        smooth: true,
        //圆圈大小
        symbolSize: 8,
        data: data[0][1],
        itemStyle: {
          color: '#ed3f35' // 线颜色
        }
      }
    ]
  }