function(){
var points = this.points; //表示同一个分类的不同系列点
var a =this.category;
var b;
var c="";
var total = 0;
for(var i = 0, len = points.length; i < len; i++) {
if(points[i].series.visible&&this.points[i].value){
b = this.points[i].value/10000+"万元";
c += ''+"<font color='"+points[i].color+"'>●</font>"+points[i].seriesName+':'+b+"<br>";
}
}
return a+"<br>"+c;
}