option = { backgroundColor: '#2c343c', title: { text: 'Customized Pie', left: 'center', top: 20, textStyle: { color: '#ccc' } }, tooltip: { trigger: 'item', formatter: '{a} <br/>{b} : {c} ({d}%)' }, visualMap: { show: false, min: 80, max: 600, inRange: { colorLightness: [0, 1] } }, series: [ { name: '访问来源', type: 'pie', radius: '55%', center: ['50%', '50%'], data: [ {value: 335, name: '直接访问'}, {value: 310, name: '邮件营销'}, {value: 274, name: '联盟广告'}, {value: 235, name: '视频广告'} ].sort(function (a, b) { return a.value - b.value; }), roseType: 'radius', label: { color: 'rgba(255, 255, 255, 0.3)' }, labelLine: { lineStyle: { color: 'rgba(255, 255, 255, 0.3)' }, smooth: 0.2, length: 10, length2: 20 }, itemStyle: { color: '#c23531', shadowBlur: 200, shadowColor: 'rgba(0, 0, 0, 0.5)' }, animationType: 'scale', animationEasing: 'elasticOut', animationDelay: function (idx) { return Math.random() * 200; } } ] };