自定义highchart tooltip

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贴一段自定义highchart tooltip的代码

实线了垮series的计算和顺序切换

 formatter: function () {          // var str = getTooltip(this);          var str = '<b>' + Highcharts.dateFormat(config_timelabelformats.day, this.x) + '</b>';          var ele = null;          $.each(this.points, function () {            if(this.series.name == highstock_local()['electricity']){              ele = this;            }else if(this.series.name == highstock_local()['net_income']){              if(ele == null){                str += '<br/>' + this.series.name + ":" + this.y;              }else{                if(ele.series.visible == true && this.series.visible == true){                  str += '<br/>' + highstock_local()['payout'] + ":" + (this.y + ele.y);                  str += '<br/>' + highstock_local()['electricity'] + ":" + (ele.y);                }else{                  str += '<br/>' + highstock_local()['electricity'] + ":" + (ele.y);                }              }            }else{              str += '<br/>' + this.series.name + ': ' +                  this.y;            }          });          return str;      }

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