option = { backgroundColor : '#040D36', tooltip : { trigger : 'item', formatter : "{b}:{c} ({d}%)" }, series: [ { type: 'pie', zlevel: 5, radius: ['14%', '60%'], center: ['50%', '50%'], roseType: 'area', data : [ { name : '天气污染源', value : '620', itemStyle : { normal : { color: "rgba(40, 242, 230, 1)", borderWidth: 0 } } }, { name : '人为污染源', value : '580', itemStyle : { normal : { color: "rgba(36, 180, 255, 0.5)", borderWidth: 0 } } }, { name : '无机污染源', value : '500', itemStyle : { normal : { color: "rgba(255, 201, 92, 0.5)", borderWidth: 0 } } }, { name : '物理污染源', value : '109', itemStyle : { normal : { color: "rgba(244, 255, 77, 0.5)", borderWidth: 1 } } } ], label: { normal: { color: '#88A8D6' }, }, labelLine: { normal: { length2 : 60, lineStyle : { color: '#88A8D6' } } } }, { type: 'pie', zlevel: 7, silent: true, radius: ['61%', '60%'], hoverAnimation: false, color: 'red', label: { normal: { show: false }, }, labelLine: { normal: { show: false } }, data: [1,1,1] }, ] };