option = { title: { text: '重庆市历年婴儿死亡率(1997-2017)', subtext: '数据来自2018重庆卫生和计划生育统计年鉴' }, tooltip : { trigger: 'axis', axisPointer : { // 坐标轴指示器,坐标轴触发有效 type : 'shadow' // 默认为直线,可选为:'line' | 'shadow' } }, grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true }, xAxis : [ { type : 'category', data : ['1997', '1998', '1999', '2000', '2001', '2002', '2003', '2004', '2005', '2006', '2007', '2008', '2009', '2010', '2011', '2012', '2013', '2014', '2015', '2016', '2017'], axisTick: { alignWithLabel: true } } ], yAxis : [ { type : 'value', axisLabel: { formatter: '{value}%' } } ], series : [ { name:'婴儿死亡率(%)', type:'bar', barWidth: '60%', itemStyle: { normal: { color: new echarts.graphic.LinearGradient( 0, 0, 0, 1, [ {offset: 0, color: 'cornflowerblue'}, {offset: 1, color: '#e9f0fc'} ] ) }, }, data:[19.08, 20.85, 17.74, 15.90, 16.34, 15.45, 14.61, 13.64, 11.51, 9.94, 8.89, 8.15, 7.09, 7.75, 6.44, 5.56, 6.54, 5.56, 5.34, 4.30, 4.36] } ] };