option = { legend: { top: 'top' // 图例显示位置 }, toolbox: { show: true, feature: { mark: {show: true}, dataView: {show: true, readOnly: false}, restore: {show: true}, saveAsImage: {show: true} } }, series: [ { name: '面积模式', type: 'pie', radius: [50, 250], center: ['50%', '50%'], roseType: 'area', itemStyle: { borderRadius: 8 }, data: [ {value: 10, name: 'rose 1'}, {value: 20, name: 'rose 2'}, {value: 15, name: 'rose 3'}, {value: 8, name: 'rose 4'}, {value: 10, name: 'rose 5'}, {value: 20, name: 'rose 6'}, {value: 15, name: 'rose 7'}, {value: 18, name: 'rose 8'} ] } ] };