[GitHub] [incubator-echarts] yanwencheng opened a new issue #12060: 动态线图数据更新bug

[GitBox]

yanwencheng opened a new issue #12060: 动态线图数据更新bug
URL: https://github.com/apache/incubator-echarts/issues/12060
 
 
   ### Version
   4.5.0
   
   ### Steps to reproduce
   var base =  new Date(2014, 9, 3);
   var oneDay = 24 * 3600 * 1000;
   var date = [];
   
   var data = [Math.random() * 150];
   var now = new Date(base);
   
   function addData(shift) {
       now = [now.getFullYear(), now.getMonth()   1, now.getDate()].join('/');
       date.push(now);
       data.push((Math.random() - 0.4) * 10   data[data.length - 1]);
   
       if (shift) {
           date.shift();
           data.shift();
       }
   
       now = new Date( new Date(now)   oneDay);
   }
   
   for (var i = 1; i < 100; i  ) {
       addData();
   }
   
   option = {
       xAxis: {
           type: 'category',
           boundaryGap: false,
           data: date
       },
       yAxis: {
           boundaryGap: [0, '50%'],
           type: 'value'
       },
       dataZoom: [{
                           start: 70,
                           // zoomLock: true,
                       }],
       series: [
           {
               name:'成交',
               type:'line',
               data: data
           }
       ]
   };
   
   setInterval(function () {
       for(var i=0;i<5;i  ){
         addData(true);
       }
       myChart.setOption({
           xAxis: {
               data: date
           },
           series: [{
               name:'成交',
               data: data
           }]
       });
   }, 1000);
   
   ### What is expected?
   正常渲染
   
   ### What is actually happening?
   左侧出现两点连线不规则折断
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   

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