[GitHub] [incubator-echarts] wangzhongITger commented on issue #10116: 移动端我的y轴数据值有null值，然后在开启tooltip提示框的情况下点击在null的时候图表会闪烁，有时就没了再点又有了，有知道该怎么解决的么？

Sun, 17 Mar 2019 23:55:43 -0700 

wangzhongITger commented on issue #10116: 
移动端我的y轴数据值有null值，然后在开启tooltip提示框的情况下点击在null的时候图表会闪烁，有时就没了再点又有了，有知道该怎么解决的么？
URL: 
https://github.com/apache/incubator-echarts/issues/10116#issuecomment-473791256
 
 
   > 请提供可复现的配置项代码
   const chartOption = {
       tooltip: {
         trigger: "axis",
         axisPointer: {
           type: "cross"
         },
         textStyle: {
           color: "#000"
         },
         backgroundColor: "rgba(245, 245, 245, 0.8)",
         borderWidth: 1,
         padding: 10,
         borderColor: "#ccc",
       },
       grid: {
         top: 30,
         bottom: 70,
         left: 60,
         right: 50
       },
       xAxis: {
         type: "time",
         boundaryGap: false,
         splitLine: {
           show: false
         },
         nameTextStyle: {
           color: "#ffff00"
         },
       },
       yAxis: {
         nameLocation: 'end',
         type: "value",
         axisLine: {
           show: false
         },
         splitLine: {
           show: false,
           lineStyle: {
             type: "dotted",
             color: "#e6e6e6",
             width: 1
           }
         }
       },
       dataZoom: [
         {
           type: "slider",
           show: true,
           xAxisIndex: [0],
           start: 1,
           end: 100
         }
       ],
       series: {
         name: "测试值",
         type: "line",
         smooth: true,
         data: null,
         symbol: "none",
       }
     };
   
   series中data值事例如下：
   
[[1,100],[2,200],[3,100],[4,150],[5,""],[6,null],[7,undefined],[8,100],[9,null]]
   
我尝试过null，undefined以及“”,图上显示是线是断开的，这是没问题，但是点击的时候就会消失，空值越多，现象越是明显，如果禁用点击事件的话是没有任何问题的，正常显示，包括图表中数据连续无空值出现时，点击也不会出任何问题，但是一点有空值出现，就会出现点击图表消失闪现这样的情况，我实在微信小程序上引用的echarts

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