Highcharts - 获取点击事件的图表

Highcharts - Getting chart on click event

我需要在单个页面中创建 9 个具有相同选项的饼图,我使用以下函数来创建它们:

function newChart(series_id, div_name) {
    this.chart = {
        height: 450,
        marginBottom: 70
    },
    this.title = {
        floating: true
    },
    this.subtitle = {
        floating: true
    },
    this.legend = pie_legend,
            this.tooltip = tooltip_,
            this.plotOptions = {
                pie: {
                    showInLegend: true,
                    size: '100%',
                    borderWidth: 2,
                    borderColor: 'black',
                    point: {
                        events: {
                            mouseOut: function () {
                                setTranslation(this, false);
                            },
                            mouseOver: function () {
                                setTranslation(this, true);
                            },
                            click: function () {
                                var drilldown = this.drilldown;
                                if (isNumber(drilldown))
                                {
                                    chart3.series[0] = chart3.drilldown.series[drilldown];
                                    require(['jquery', 'charts'], function ($, charts) {
                                        $(function () {
                                            var tempScrollTop = $(window).scrollTop();
                                            charts.pie(div_name, chart3);
                                            $(window).scrollTop(tempScrollTop);
                                        });
                                    });
                                    chart3.colors = chart_colors;
                                }
                                else {
                                    chart3.series[0] = series_id.series[0];
                                    require(['jquery', 'charts'], function ($, charts) {
                                        $(function () {
                                            var tempScrollTop = $(window).scrollTop();
                                            charts.pie(div_name, chart3);
                                            $(window).scrollTop(tempScrollTop);
                                        });
                                    });
                                    chart3.colors = ["#FF7070", "#FFC870", "#B0DDC2", "#82CA9D", "#409661"];
                                }
                            }
                        }
                    },
                    dataLabels: {
                        enabled: false
                    }
                },
                series: {
                    dataLabels: {
                        style: {
                            fontWeight: 'bold',
                            fontSize: '16px'
                        }
                    }
                }
            },
    this.colors = ["#FF7070", "#FFC870", "#B0DDC2", "#82CA9D", "#409661"],
            this.series = [],
            this.drilldown = {
                series: []
            }
}
;

在单击事件中,我想使用我正在创建的同一对象来创建函数。但是我找不到让它动态的方法,如果我手动更改 chartX 的 chart3,它们将单独正确创建并正常工作。我的问题是如何在点击函数中获取图表对象,我不能使用 'this' 因为在那个范围内它正在检索图表中的一个点(在这种情况下是饼图的一部分)。所以我想得到类似的东西:

    click: function () {
    var drilldown = this.drilldown;
    if (isNumber(drilldown))
    {
        thisChart.series[0] = thisChart.drilldown.series[drilldown];
        require(['jquery', 'charts'], function ($, charts) {
            $(function () {
                var tempScrollTop = $(window).scrollTop();
                charts.pie(div_name, thisChart);
                $(window).scrollTop(tempScrollTop);
            });
        });
        thisChart.colors = chart_colors;
    }
    else {
        thisChart.series[0] = series_id.series[0];
        require(['jquery', 'charts'], function ($, charts) {
            $(function () {
                var tempScrollTop = $(window).scrollTop();
                charts.pie(div_name, thisChart);
                $(window).scrollTop(tempScrollTop);
            });
        });
        thisChart.colors = ["#FF7070", "#FFC870", "#B0DDC2", "#82CA9D", "#409661"];
    }
}

我读到绑定函数可能会有帮助,但我不知道该怎么做,我也尝试传递相同的对象作为函数的参数,但它不起作用,并尝试将其用作要在函数中作为对象传递的字符串变量,但它不被视为对象或它给我错误。

我对 Javascript 完全陌生(大概有 3-4 周的经验),所以请多多包涵。我可以为每个图表创建一个独立的图表对象,重复代码 9 次,并将 chart3 部分更改为 chart1、chart2 等,它可以工作,但我想让它更简单。

不知何故问问题可以帮助我想出答案,阅读有关括号表示法我想出了以下内容:

click: function () {
    var drilldown = this.drilldown;
    var chartName = name;
    if (isNumber(drilldown))
    {
        window[chartName].series[0] = window[chartName].drilldown.series[drilldown];
        require(['jquery', 'charts'], function ($, charts) {
            $(function () {
                var tempScrollTop = $(window).scrollTop();
                charts.pie(div_name, window[chartName]);
                $(window).scrollTop(tempScrollTop);
            });
        });
        window[chartName].colors = chart_colors;
    }
    else {
        window[chartName].series[0] = series_id.series[0];
        require(['jquery', 'charts'], function ($, charts) {
            $(function () {
                var tempScrollTop = $(window).scrollTop();
                charts.pie(div_name, window[chartName]);
                $(window).scrollTop(tempScrollTop);
            });
        });
        window[chartName].colors = ["#FF7070", "#FFC870", "#B0DDC2", "#82CA9D", "#409661"];
    }
}

我在创建新图表时传递名称:

chart1 = new newChart(series1,"chart-pie1","chart1");
chart2 = new newChart(series2,"chart-pie2","chart2")
chart3 = new newChart(series3,"chart-pie3","chart3");

它现在按照我希望的方式工作。无论如何,我很感激有关代码最小化的建议。我知道我的代码非常重复,我只是在学习 javascript 所以我的编码不是很有效或不够简单。