function(){ 

var points = this.points;

var a =this.category;

for(var i = 0, len = points.length; i < len; i++) {

if(points[i].series.visible &&points[i].seriesName=="时间"){

a +='' +"<font color='"+points[i].color+"'>●</font>"+points[i].seriesName+':'+new Date(points[i].value).toLocaleString();

    }else

    a +='' +"<font color='"+points[i].color+"'>●</font>"+points[i].seriesName+':'+points[i].value.toFixed(2);

    }

return a;

}

改成自定义

function(){ var a;

if(this.seriesName=="时间")a=this.seriesName+":"+this.value;

else a=his.seriesName+":"+this.value.toFiexd(2);

return a;}

https://help.fanruan.com/finereport/doc-view-1296.html

参考

自定义点提示