100pah edited a comment on issue #9022: dataset提供渲染数据，怎么定制legend样式？ URL: https://github.com/apache/incubator-echarts/issues/9022#issuecomment-419504849 配置项有时候不容易做到理想的简化。 通过代码逻辑来简化，可以么？比如： ```js let source = { 'week': ['周一','周二','周三','周四','周五','周六','周日'], '邮件营销': [120, 132, 101, 134, 90, 230, 210], '联盟广告': [220, 182, 191, 234, 290, 330, 310], '视频广告': [150, 232, 201, 154, 190, 330, 410], '直接访问': [320, 332, 301, 334, 390, 330, 320], '搜索引擎': [820, 932, 901, 934, 1290, 1330, 1320] }; option = { title: { text: '多折线图' }, tooltip: { trigger: 'axis' }, legend: { data: Object.keys(source).slice(1).map( name => ({icon:'circle', name: name}) ) }, dataset:{ source: source }, grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true }, toolbox: { feature: { saveAsImage: {} } }, xAxis: { type: 'category', boundaryGap: false }, yAxis: { type: 'value' }, series: Object.keys(source).slice(1).map( () => ({type: 'line'}) ), color: [ '#FF9C6E', '#FFC069', '#95DE64', '#5CDBD3', '#69C0FF', '#85A5FF', '#B37FEB', '#FF85C0' ] } ```
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