option = { backgroundColor: '#fff', grid: { top: '15%', right: '10%', left: '10%', bottom: '12%' }, xAxis: [{ type: 'category', color: '#59588D', data: ['2016', '2017', '2018', '2019', '2020'], axisLabel: { margin: 20, color: '#999', textStyle: { fontSize: 18 }, }, axisLine: { lineStyle: { color: '#d2d2d2', } }, axisTick: { show: false }, }], yAxis: [{ min: 0, max: 100, axisLabel: { formatter: '{value}%', color: '#999', textStyle: { fontSize: 18 }, }, axisLine: { lineStyle: { color: 'rgba(107,107,107,0.37)', } }, axisTick: { show: false }, splitLine: { lineStyle: { color: 'rgba(131,101,101,0.2)', type: 'dashed', } } }], series: [{ type: 'bar', data: [40, 90, 10, 20, 56], barWidth: '50px', itemStyle: { normal: { color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{ offset: 0, color: '#FF9A22' // 0% 处的颜色 }, { offset: 1, color: '#FFD56E' // 100% 处的颜色 }], false), barBorderRadius: [30, 30, 0, 0], } }, label: { show: true, fontSize: 18, fontWeight: 'bold', position: 'top', color: 'blue', formatter: (params)=>{//单独对第一个label使用样式 if (params.dataIndex === 0) { return '{a|'+params.value+'}' } }, rich: {//使用富文本编辑字体样式 a: { color: 'red' } } } }] };