[GitHub] wlc534 opened a new issue #9022: dataset提供渲染数据，怎么定制legend样式？

[GitBox <gi...@apache.org>]

wlc534 opened a new 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
 
 
   
   
   ### One-line summary [问题简述]
   在使用dataset提供数据，按列的 key-value 形式。怎么定制legend样式？
   
   
   ### Version & Environment [版本及环境]
   
   + ECharts version [ECharts 版本]:v4.1.0
   + Browser version [浏览器类型和版本]:chrome 69
   + OS Version [操作系统类型和版本]:macOS 
   
   
   
   ### Expected behaviour [期望结果]
   
   正常显示legend
   ![default](https://user-images.githubusercontent.com/26006959/45143099-d3e1f800-b1ec-11e8-9a81-1f49fb5a171a.png)
   
   
   
   ### ECharts option [ECharts配置项]
   <!-- Copy and paste your 'echarts option' here. -->
   <!-- [下方贴你的option，注意不要删掉下方 ```javascript 和 尾部的 ``` 字样。最好是我们能够直接运行的 option。如何得到能运行的 option 参见上方的 guidelines for contributing] -->
   ```javascript
   option = {
         title: {
                   text: '多折线图'
               },
               tooltip: {
                   trigger: 'axis'
               },
               legend: {
                   
                   data:[
                       {icon:'circle'},
                       {icon:'circle'},
                       {icon:'circle'},
                       {icon:'circle'},
                       {icon:'circle'},
                   ]
               },
               dataset:{
                   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],
   
                   }
   
               },
               grid: {
                   left: '3%',
                   right: '4%',
                   bottom: '3%',
                   containLabel: true
               },
               toolbox: {
                   feature: {
                       saveAsImage: {}
                   }
               },
               xAxis: {
                   type: 'category',
                   boundaryGap: false,
                  
               },
               yAxis: {
                   type: 'value'
               },
               series: [
                   {
                      type:'line'
                   },
                   {
                      type:'line'
                   },
                   {
                      type:'line'
                   },
                   {
                      type:'line'
                   },
                   {
                      type:'line'
                   },
                   
               ],
               color: [
                   '#FF9C6E', '#FFC069', '#95DE64', '#5CDBD3', '#69C0FF', '#85A5FF', '#B37FEB', '#FF85C0'
               ]
   
   }
   
   ```
   
   
   
   
   ### Other comments [其他信息]
   <!-- For example: Screenshot or Online demo -->
   <!-- [例如，截图或线上实例 (JSFiddle/JSBin/Codepen)] -->
   是否可以考虑简化series、legend中配置，直接根据dataset自动生成。不然感觉冗余数据太多了。
   legend: {
                   data:['邮件营销','联盟广告','视频广告','直接访问','搜索引擎']
     
               },
   series: [
                   {
                      type:'line'
                   },
                   {
                      type:'line'
                   },
                   {
                      type:'line'
                   },
                   {
                      type:'line'
                   },
                   {
                      type:'line'
                   },
                   
               ],
   
   

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