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
var 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'
]
}
```
[ Full content available at:
https://github.com/apache/incubator-echarts/issues/9022 ]
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