echarts堆叠图，数据变化不大的情况下，如何设置趋势变化明显一点？-灵析社区

echarts堆叠图，数据变化不大的情况下，如何设置趋势变化明显一点？现在趋势变化不明显？有哪些方案呢？ option = { title: { text: 'Stacked Line' }, tooltip: { trigger: 'axis' }, legend: { data: ['Email', 'Union Ads', 'Video Ads', 'Direct', 'Search Engine'] }, grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true }, toolbox: { feature: { saveAsImage: {} } }, xAxis: { type: 'category', boundaryGap: false, data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'] }, yAxis: { type: 'value' }, series: [ { name: 'Direct', type: 'line', stack: 'Total', data: [32.21, 32.23, 32.56, 32.19, 32.33, 32.3, 32.5] }, { name: 'Search Engine', type: 'line', stack: 'Total', data: [34.41, 34.45, 34.40, 34.41, 34.47, 34.49, 34.45] } ] }; 代码粘贴下面链接可看到结果： [https://echarts.apache.org/examples/zh/editor.html?c=line-stack](https://link.segmentfault.com/?enc=LlnSyWj6jVdA%2Fbw9nVf1XQ%3D%3D.eZ%2Beo5tho4WzEpOylBpSMdPBMkQC%2FDnyzoys%2Bt1gUf2UUZ18km%2B6z9RsbdMlS0bs4E553F%2FH%2Fs2VNbOlaARfjQ%3D%3D)