option = { tooltip: { trigger: 'axis', axisPointer: { type: 'cross', crossStyle: { color: '#999' } } }, legend: { data:['蒸发量','降水量','平均温度'] }, xAxis: [ { type: 'category', data: ['1月','2月','3月','4月','5月','6月','7月','8月','9月','10月','11月','12月'], axisPointer: { type: 'shadow' } } ], yAxis: [ { type: 'value', name: '水量', min: 0, max: 250, interval: 50, axisLabel: { formatter: '{value} ml' } }, { type: 'value', name: '温度', min: 0, max: 25, interval: 5, axisLabel: { formatter: '{value} °C' } } ], series: [ { name:'蒸发量', type:'bar', data:[2.0, 4.9, 7.0, 23.2, 25.6, 76.7, 135.6, 162.2, 32.6, 20.0, 6.4, 3.3] }, { name:'降水量', type:'bar', data:[2.6, 5.9, 9.0, 26.4, 28.7, 70.7, 175.6, 182.2, 48.7, 18.8, 6.0, 2.3] }, { name:'平均温度', type:'line', yAxisIndex: 1, data:[2.0, 2.2, 3.3, 4.5, 6.3, 10.2, 20.3, 23.4, 23.0, 16.5, 12.0, 6.2] } ] };