option = { title: { text: '当前余额账龄占比', subtext: '纯属虚构', left: 'center' }, tooltip: { trigger: 'item', formatter: '{a} <br/>{b} : {c} ({d}%)' }, legend: { orient: 'vertical', left: 'left', data: ['30天以内', '31-60天', '61-90天', '90天以上'] }, series: [ { name: '访问来源', type: 'pie', radius: '55%', center: ['50%', '60%'], data: [ {value: 335, name: '31-60天'}, {value: 234, name: '61-90天'}, {value: 135, name: '90天以上'}, {value: 1548, name: '30天以内'} ], emphasis: { itemStyle: { shadowBlur: 10, shadowOffsetX: 0, shadowColor: 'rgba(0, 0, 0, 0.5)' } } } ] };