HightChartsリアルタイムラインエラー

Question

HightCharts realtime line error

誰が次の問題がありますか？

Answer 1

var loadChart = function() { 
     $.getJSON('data.json', function (json) { 
      var index = 0; 

      var getData = function (index, type) { 
       var result = null; 
       if (type != undefined) { 
        result = parseInt(json[index][type]); 
       } else { 
        result = json[index]; 
       } 
       return result; 
      }; 

      var getSeriesData = function() { 
       // 结构 
       var JJData = [], 
        PCData = [], 
        PhoneData = [], 
        item; 
       var time = (new Date()).getTime(); 

       for (var i = -179; i <= 0; ++i) { 
        item = json[index++]; 
        JJData.push({ 
         x: time + i * 2000, 
         y: parseInt(item.JJ) 
        }); 
        PCData.push({ 
         x: time + i * 2000, 
         y: parseInt(item.PC) 
        }); 
        PhoneData.push({ 
         x: time + i * 2000, 
         y: parseInt(item.Phone) 
        }); 
       } 
       var result = [{ 
        name: "JJ", 
        data: JJData 
       }, { 
        name: "PC", 
        data: PCData 
       }, { 
        name: "Phone", 
        data: PhoneData 
       }]; 
       return result; 
      }; 

      chart = new Highcharts.Chart({ 
       chart: { 
        renderTo: 'container1', 
        type: 'spline', //spline 
        backgroundColor: 'rgba(202, 202, 202, 0.2)', 
        animation: Highcharts.svg, // don't animate in old IE 
        //marginRight: 10, 
        events: { 
         load: function() { 
          var series = this.series; 

          loadMinuteData = function() { 
           if (!minuteFlag) { 
            clearInterval(setMinuteInter); 

            return false; 
           } 
           var x = (new Date()).getTime(); // current time 
           var result = getData(index++); 
           // 第三个参数为true,移除最开始的数据 
           //console.log("minute"); 
           //console.log(series[0]); 
           //alert(series[0]); 
           series[0].addPoint([x, parseInt(result.JJ)], true, true); 
           series[1].addPoint([x, parseInt(result.PC)], true, true); 
           series[2].addPoint([x, parseInt(result.Phone)], true, true); 
          }; 
          var setMinuteInter = setInterval(loadMinuteData, 2000); 
         } 
        } 
       }, 
       title: { 
        text: '实时在线人数' 
       }, 
       xAxis: [{ 
        type: 'datetime', 
        tickPixelInterval: 60 
       }], 
       yAxis: { 
        title: { 
         text: '人数' 
        }, 
        plotLines: [{ 
         value: 0, 
         width: 1, 
         color: '#808080' 
        }] 
       }, 
       plotOptions: { 
        spline: { 
         marker: { 
          enabled: false 
         } 
        } 
       }, 
       tooltip: { 
        formatter: function() { 
         return '<b>' + this.series.name + '</b><br/>' + 
          Highcharts.dateFormat('%Y-%m-%d %H:%M:%S', this.x) + '<br/>' + 
          Highcharts.numberFormat(this.y, 2); 
        } 
       }, 
       legend: { 
        enabled: true 
       }, 
       exporting: { 
        enabled: false 
       }, 
       series: getSeriesData() 
      }); 
     }); 
    }