 containerByNum(){
        $('#container').highcharts({
            chart: {type: 'spline'},
            title: {text: ''},
            subtitle: {text: ''},
            xAxis: { categories: obj.riqi},
            yAxis: {
                title: {text: ''},
                min: 0
            },
            tooltip: {
                formatter: function () {
                    return '<b>时间:' + this.x + '</b><br>' + this.series.name + ': ' + this.y + '';
                }
            },
            seri