echart折线图自定义横线 markLine属性设置。直观查看是否在误差范围

Examples - Apache ECharts

api文档

Documentation - Apache ECharts

 

option = {
  title: {
    text: 'Temperature Change in the Coming Week'
  },
  tooltip: {
    trigger: 'axis'
  },
  legend: {},
  toolbox: {
    show: true,
    feature: {
      dataZoom: {
        yAxisIndex: 'none'
      },
      dataView: { readOnly: false },
      magicType: { type: ['line', 'bar'] },
      restore: {},
      saveAsImage: {}
    }
  },
  xAxis: {
    type: 'category',
    boundaryGap: false,
    data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
  },
  yAxis: {
    type: 'value',
    axisLabel: {
      formatter: '{value} °C'
    }
  },
  series: [
    {
      name: 'Highest',
      type: 'line',
      data: [10, 11, 13, 11, 12, 12, 9],
      markPoint: {
        data: [
          { type: 'max', name: 'Max' },
          { type: 'min', name: 'Min' }
        ]
      },
      markLine: {
          data: [ { name: '上线值', yAxis: 15, symbol: 'circle' ,lineStyle:{color: 'green',type:'solid'},label:{formatter:'{b}: {c}'}}  ,
         { name: '标准值',  yAxis: 12, symbol: 'circle',lineStyle:{color: '#FF0000',type:'solid'} ,label:{formatter:'{b}: {c}'}}  ,
         { name: '下线值',  yAxis: 8, symbol: 'circle',lineStyle:{color: 'green',type:'solid'},label:{formatter:'{b}: {c}'} }  
         ],
      },
    }
    
  ]
};

 自定义每个横线的颜色，名称