option = { tooltip: { trigger: 'axis', axisPointer: { type: 'cross', crossStyle: { color: '#999' } } }, toolbox: { feature: { dataView: {show: true, readOnly: false}, magicType: {show: true, type: ['line', 'bar']}, restore: {show: true}, saveAsImage: {show: true} } }, legend: { data: ['概率', '累计概率'] }, xAxis: [ { type: 'category', data: ['1级', '2级', '3级', '4级', '5级', '6级', '7级', '8级'], axisPointer: { type: 'shadow' } } ], yAxis: [ { type: 'value', name: '百分比', min: 0, max: 100, interval: 20, axisLabel: { formatter: '{value}%' } } ], series: [ { name: '概率', type: 'bar', data: [5.0, 10, 4, 6, 25, 30, 5, 5] }, { name: '累计概率', type: 'line', data: [5.0, 15, 19, 25, 50, 80, 85, 90] } ] };