MousseWang opened a new issue #10429: 通过tooltip中的formatter中更改setOption配置,影响tooltip显示 URL: https://github.com/apache/incubator-echarts/issues/10429 ### Version 4.2.1 ### Steps to reproduce ``` tooltip: { ... formatter: function(param) { getLen(myChart,param) var arr = [] param.forEach(item => { if(item.seriesName === 'Kline'){ arr.push(item.name '<br />'); ... } }) return arr.join('') }, position: function (pos, params, el, elRect, size) { var obj = {top: 60}; obj[['left', 'right'][ (pos[0] < size.viewSize[0] / 2)]] = 60; return obj; } }, ``` ``` function getLen(myChart,param){ let data = { "MA10": '', ... } param.forEach(item => { item.seriesName === "MA10" ? data.MA10 = item.data : null; ... }) myChart.setOption({ legend:[ { formatter: function (name) { return `${name}:${data.MA10.toFixed(2)}`; }, }, ... ] }) } ``` ### What is expected? 图例数据动态显示,tooltip正常 ### What is actually happening? 图例数据动态显示,tooltip只有在鼠标放置在烛型图上时出现,在放置在画布其他位置时不出现 --- 业务场景: 需要在图例中动态显示当前鼠标位置的数据 我的解决方案: 在tooltip中的formatter中更改setOption配置,动态修改图例数据 <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
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