option = { color: ['#1890FF', '#12DDA1', '#F78048', '#FFB026', '#FD4D63', 'rgba(255,255,255,.5)'], tooltip: { trigger: 'item', padding: [10, 10, 10, 10], formatter: '{b} :<br/> {d}%', }, series: [ { name: '', type: 'pie', radius: ['36%', '66%'], center: ['50%', '50%'], label: { fontSize: 13, color: '#333', formatter: function (param) { return param.name + '{per' + param.dataIndex + '|' + param.percent.toFixed(0) + '%}'; }, // 自定义富文本样式 rich: { per0: { padding: [0, 0, 0, 5], fontSize: 13, fontWeight: 'bold', color: '#1890FF', }, per1: { padding: [0, 0, 0,5], fontSize: 13, fontWeight: 'bold', color: '#12DDA1', }, per2: { padding: [0, 0, 0,5], fontSize: 13, fontWeight: 'bold', color: '#F78048', }, per3: { padding: [0, 0, 0, 5], fontSize: 13, fontWeight: 'bold', color: '#FFB026', }, per4: { padding: [0, 0, 0, 5], fontSize: 13, fontWeight: 'bold', color: '#FD4D63', }, }, }, labelLine: { show: true, // length: 6, // length2: 15 }, data: [ { name: '博士研究生', value: '40', }, { name: '硕士研究生', value: '25', }, { name: '大学', value: '18', }, { name: '专科', value: '12', }, { name: '专科以下', value: '5', }, ], }, { type: 'pie', radius: ['36%', '43%'], center: ['50%', '50%'], silent: true, data: [ { name: '', value: 1, }, ], }, ], };