var ckqList = [{ year: '2013', value: -3 },{ year: '2014', value: -2 },{ year: '2015', value: 0 },{ year: '2016', value: -1 },{ year: '2017', value: 2 },{ year: '2018', value: 2 },{ year: '2019', value: 3 },{ year: '2020', value: 5 }]; var xData = [], data1 = [], data2 = [], data3 = [], data4 = []; for (var i=0; i"; let vl1 = params[0].value - min; let vl2 = params[0].value + params[1].value - min; vl1 = vl1.toFixed(3); vl2 = vl2.toFixed(3); msgStr += "95%置信区间："+vl1+" mil k㎡ ~ "+vl2+" mil k㎡
"; msgStr += "异常值："+(params[3].value[1] - min)+" mil km2"; return msgStr; } }, calculable: false, xAxis: { name: '年', type: 'category', boundaryGap: false, data: xData, axisLine: { lineStyle: { color: "rgba(0,0,0,0.7)" } }, splitLine: { show: false }, axisTick: { show: true, lineStyle: { color: "rgba(0,0,0,0.85)" } }, axisLabel: { textStyle: { fontSize: 12, color: "rgba(0,0,0,0.85)" } } }, yAxis: { type: 'value', name: 'million k㎡', axisLabel: { formatter: function (value, index) { // 格式化成月/日，只在第一个刻度显示年份 var str = value - min; return str; } }, axisLine: { lineStyle: { color: "rgba(0,0,0,0.7)" } }, splitLine: { show: false } }, series: [{ name: '最小值', type: 'line', stack: '总量', data: data1, symbol: 'none', areaStyle: { // 填充区域 color: 'rgba(255,255,255,0)' }, lineStyle: { normal: { width: 0 } } },{ name: '差值', type: 'line', stack: '总量', data: data2, symbol: 'none', areaStyle: { // 填充区域 normal: { color: '#ddd' } }, lineStyle: { normal: { width: 0 } } },{ name: '线性回归', type: 'line', smooth: true, showSymbol: false, data: data3, symbol: 'none', lineStyle: { normal: { color: '#aaa', type: 'dashed', width: 1 } } },{ name: '折线', type: 'line', data: data4, lineStyle: { normal: { color: '#222' } }, symbol: 'diamond', symbolSize: 8, itemStyle: { normal: { color: '#222' } } }], grid: { x: 80, y: 35, x2: 60, y2: 50, borderWidth: 0, containLabel: true } };

面积均值线性回归图