var option = { title: { text: '折线图堆叠' }, tooltip: { trigger: 'axis' }, legend: { data:['PM2.5','AQI','PM10'] }, grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true }, toolbox: { feature: { saveAsImage: {} } }, xAxis: { type: 'category', boundaryGap: false, data: ['201312','201401','201402','201403','201404','201405','201406','201407','201408','201409','201410','201411','201412','201501','201502','201503','201504','201505','201506','201507','201508','201509','201510','201511','201512','201601','201602','201603','201604','201605','201606','201607','201608','201609','201610','201611','201612'] }, yAxis: { type: 'value' }, series: [ { name:'PM2.5', type:'line', stack: '总量', data:[72,92,130,83,55,54,48,75,56,59,103,86,58,89,83,78,63,50,52,52,40,41,60,100,134,60,46,84,58,49,53,59,40,47,70,90,105] }, { name:'AQI', type:'line', stack: '总量', data:[99,118,158,115,90,85,74,105,83,84,132,116,87,118,116,112,93,80,81,77,64,63,87,121,167,88,68,116,90,80,80,84,62,69,102,121,133] }, { name:'PM10', type:'line', stack: '总量', data:[82,104,115,121,89,82,27,33,31,35,68,102,81,70,65,122,83,73,45,44,47,43,54,39,68,50,45,93,87,66,42,33,37,40,49,94,66] }, ] };