Javascript Highcharts-单击事件获取图表
我需要在一个页面中创建9个具有相同选项的饼图,我正在使用以下函数创建它们:Javascript Highcharts-单击事件获取图表,javascript,highcharts,Javascript,Highcharts,我需要在一个页面中创建9个具有相同选项的饼图,我正在使用以下函数创建它们: function newChart(series_id, div_name) { this.chart = { height: 450, marginBottom: 70 }, this.title = { floating: true }, this.subtitle = { floating: true }
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);
$(window).scrollTop(tempScrollTop);
});
});
chart3.colors = ["#FF7070", "#FFC870", "#B0DDC2", "#82CA9D", "#409661"];
}
}
}
},
dataLabels: {
enabled: false
}
},
series: {
dataLabels: {
style: {
fontWeight: 'bold',
fontSize: '16px'
}
}
}
},
this.colors = ["#FF7070", "#FFC870", "#B0DDC2", "#82CA9D", "#409661"],
this.series = [],
this.drilldown = {
series: []
}
}
;
在单击事件中,我希望使用我正在创建的同一对象来创建函数。但是,我找不到一种方法使其动态化,如果我手动将chart3更改为chartX,它们将正确地单独创建并正常工作。我的问题是如何在单击函数中获取图表对象,我不能使用“this”,因为在该范围内,它正在检索图表中的一个点(本例中是饼图的一部分)。所以我想得到一些类似于:
click: function () {
var drilldown = this.drilldown;
if (isNumber(drilldown))
{
thisChart.series[0] = thisChart.drilldown.series[drilldown];
require(['jquery', 'charts'], function ($, 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);
$(window).scrollTop(tempScrollTop);
});
});
thisChart.colors = ["#FF7070", "#FFC870", "#B0DDC2", "#82CA9D", "#409661"];
}
}
我读过绑定函数可能会有帮助,但我不知道该怎么做,我还尝试将同一个对象作为函数的参数传递,但不起作用,并尝试将其作为字符串变量作为函数中的对象传递,但它不被视为对象,或者它会给我错误
我对Javascript完全陌生(比如3-4周的经验),所以请容忍我。我可以为每个图形创建一个独立的图表对象,重复代码9次,然后将chart3部分更改为chart1、chart2等,这样做是可行的,但我想让它更简单。不知何故,提问可以帮助我找到答案,阅读关于括号符号的内容,我得出了以下结论:
click: function () {
var drilldown = this.drilldown;
var chartName = name;
if (isNumber(drilldown))
{
window[chartName].series[0] = window[chartName].drilldown.series[drilldown];
require(['jquery', 'charts'], function ($, 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");
我希望它现在能正常工作。不管怎样,我很感激关于代码最小化的建议。我知道我的代码是非常重复的,我只是在学习javascript,所以我的代码不是非常有效或简单。小建议:尝试使用函数将代码分隔开一点。没有任何硬性规定说“不要将代码缩进10次”,但这确实会让阅读变得更困难。