var rainfallValue = ["43.1","43.1","43.0","43.0","42.9","43.2","43.3"] ; option = { backgroundColor:"#064965", tooltip: { trigger: 'axis' }, xAxis: [{ type: 'category', data: ["周六","周日","周一","周二","周三","周四","周五"], axisLabel: { formatter: '{value}', lineStyle: { color: "#CECECE" } }, axisTick: { show: false }, axisLabel: { color: '#fff' } }], yAxis: [{ type: 'value', name: '价格(元/斤)', min: 0, max: 80, interval: 20, splitLine: { show: true, lineStyle: { color: 'rgba(117, 168, 202, 0.3)', type: 'dashed' } }, axisLine: { show: false, lineStyle: { color: "#fff" } }, axisLabel: { formatter: "{value}", textStyle: { color: '#fff', fontSize: 12 } }, }], series: [{ name: '价格', type: 'line', label: { normal: { show: true, position: 'top', formatter: function (d) { if ((Math.max.apply(null, rainfallValue) == d.value) || Math.min.apply(null, rainfallValue) == d.value) { return " "; } else { return d.value; } } } }, data: rainfallValue, itemStyle: { normal: { color: '#029cec', label: { show: true, color: '#029cec', } } }, markPoint: { data: [{ type: 'max', name: '最大值', itemStyle: { label: { show: false } }, }, { type: 'min', name: '最小值', itemStyle: { label: { show: false } }, }, ] } }, ] };