echarts折线图添加上限值

 option: {
                tooltip: {
                    trigger: 'axis',
                    // formatter: '{a} 
{b}: {c} ({d}%)', confine: true, }, // legend: { // data: ['11', '22'], // textStyle: { // color: 'rgba(252, 252, 252, 1)', // }, // }, grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true, }, xAxis: { type: 'category', boundaryGap: false, data: ['11', '22', '33', '44', '55', '66', '77'], axisLine: { show: false, }, axisTick: { show: false, }, }, yAxis: [ { type: 'value', name: '111', // splitNumber: 6, //设置坐标轴的分割段数 axisLine: { show: true, }, axisLabel: { show: true, color: 'rgba(255, 255, 255, 0.5)', }, splitLine: { show: true, lineStyle: { color: 'rgba(255, 255, 255, 0.5)', type: 'dashed', }, }, }, ], series: [ { name: '22', smooth: true, type: 'line', showSymbol: false, data: [120, 132, 101, 134, 90, 230, 210], lineStyle: { // 阴影部分 shadowOffsetX: 0, // 折线的X偏移 shadowOffsetY: 9, // 折线的Y偏移 shadowBlur: 8, // 折线模糊 shadowColor: 'rgba(145, 132, 132, 1)', //折线颜色 }, markLine: { data: [ { yAxis: 220, // type: 'max', }, ], symbol: ['none', 'none'], label: { show: false, }, lineStyle: { color: '#FC8F5D', }, }, }, ], },

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