[GitHub] [incubator-echarts] daxiongok commented on issue #12327: Use setOption method will clear series.data after used appendData to load series.data

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

daxiongok commented on issue #12327: Use setOption method will clear series.data after used appendData to load series.data
URL: https://github.com/apache/incubator-echarts/issues/12327#issuecomment-610732833
 
 
   > @daxiongok Please provide a demo for the issue either with https://jsfiddle.net/ovilia/n6xc4df3/ or https://gallery.echartsjs.com/editor.html.
   
   `var data = [];
   var now = +new Date(1997, 9, 3);
   var oneDay = 24 * 3600 * 1000;
   var value = Math.random() * 1000;
   function randomData() {
       now = new Date(+now + oneDay);
       value = value + Math.random() * 21 - 10;
       return {
           name: now.toString(),
           value: [
               [now.getFullYear(), now.getMonth() + 1, now.getDate()].join('/'),
               Math.round(value)
           ]
       };
   }
    option = {
       title: {
           text: '动态数据 + 时间坐标轴'
       },
       
       tooltip: {
           trigger: 'axis'
       },
       xAxis: {
           type: 'time',
           splitLine: {
               show: false
           }
       },
       
       yAxis: {
           type: 'value',
           boundaryGap: [0, '100%'],
           splitLine: {
               show: false
           }
       },
       series: [{
           name: '模拟数据',
           type: 'line',
           showSymbol: false,
           hoverAnimation: false,
           data: []
       }]
   };
   
   var iter=setTimeout(function () {
       option.series=[{
           name: '模拟数据',
           type: 'line',
           showSymbol: false,
           hoverAnimation: false
       }];
      myChart.setOption(option, true,true);
       for (var i = 0; i < 15; i++) {
       myChart.appendData({
          seriesIndex: "0",
          data: [randomData()]
       });
       }
      myChart.setOption({title:{show:true,text:"aaa"},series:[{type: 'line',markPoint: null}]})
   }, 500);`

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