参考这个用html加一个
水平线即可
https://help.fanruan.com/finereport/doc-view-3546.html
参考
参考JS
function(){
var points = this.points; //表示同一个分类的不同系列点
var a =this.category;
var b;
for(var i = 0, len = points.length; i < len; i++) {
if(points[i].series.visible){
b = this.points[i].value;
if(this.points[i].seriesName=="存贷比")
{
a += ''+'<hr>'+"<font color='"+points[i].color+"'>●</font>"+points[i].seriesName+':'+b;
}
else{
a += ''+"<font color='"+points[i].color+"'>●</font>"+points[i].seriesName+':'+b;
}
}
}
return a;
}