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Posted to dev@echarts.apache.org by GitBox <gi...@apache.org> on 2018/10/29 05:44:48 UTC

[GitHub] lishuai1021 opened a new issue #9290: 散点图配置tooltip用formatter格式化问题

lishuai1021 opened a new issue #9290: 散点图配置tooltip用formatter格式化问题
URL: https://github.com/apache/incubator-echarts/issues/9290
 
 
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   ### One-line summary [问题简述]
   散点图配置tooltip,触发类型为item,因为需求需要用formatter格式化内容,如代码所示,type="no"时同一个横轴值对应有多个散点,每个点都显示返回数据数组中最后一个值。
   
   
   
   
   
   ### Version & Environment [版本及环境]
   + ECharts version [ECharts 版本]:
   + Browser version [浏览器类型和版本]:
   + OS Version [操作系统类型和版本]:
   
   echarts版本:4.1.0
   chrome浏览器
   win10操作系统
   
   
   
   
   ### Expected behaviour [期望结果]
   每个散点显示自己的值
   
   
   
   
   ### 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 = {
   tooltip : {
   	  trigger: 'item',
           formatter: function (params, ticket, callback) {
             let type = yfields[0].aggType;
             var tooltip = '';
             if(type !== 'no'){
               if(sizefields && sizefields.length > 0){
                 tooltip = params.name+"<br/>"+yfields[0]['alias']+' : '+params.data[yfields[0]['alias']]
               }
               return tooltip;
             } else if(type == 'no'){
               data.map(item => {
                 if (sizefields && sizefields.length > 0) {
                   tooltip= params.name+"<br/>"+yfields[0]['alias'] + ':' + item[yfields[0]['alias']]+"<br />"
                   //在这里return没有作用
                 } 
                    return tooltip;  //打印也只打印出最后一个tooltip
               })
            }
           },
   	 enterable:true,
   	extraCssText :'max-width:180px; max-height:300px; overflow:auto;' 		        
    },
   }
   
   ```
   
   
   
   
   ### Other comments [其他信息]
   <!-- For example: Screenshot or Online demo -->
   <!-- [例如,截图或线上实例 (JSFiddle/JSBin/Codepen)] -->
   
   

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