highcharts:在饼图中动态定义颜色

Question

我正在尝试根据类型动态定义每个seria的颜色.下面是我的代码,它不起作用,但显示我正在尝试做什么.我想为某种类型定义颜色,例如:

if type = 'IS' then color =  '#FFCACA'

我不能指望ret将具有所有类型,因此我需要知道在ret中返回哪些类型然后将颜色指定为某种类型.

怎么做？

这是收到数据后的代码:

success: function (ret) {


    $(function () {
        var chart;
        $(document).ready(function () {
            chart = new Highcharts.Chart({
                chart: {
                    renderTo: 'divPie_' + id,
                    plotBackgroundColor: null,
                    plotBorderWidth: null,
                    plotShadow: true,
                    width: 350,
                    height: 350
                },
                title: {
                    text: refrigname
                },
                tooltip: {
                    pointFormat: '{series.name}: <b>{point.percentage}%</b>',
                    percentageDecimals: 1
                },
                plotOptions: {
                    pie: {
                        allowPointSelect: true,
                        cursor: 'pointer',
                        dataLabels: {
                            enabled: false
                        },
                        showInLegend: true
                    }
                },
                series: [{
                    type: 'pie',
                    name: 'Current selection',
                    color: (function () {
                            switch (ret.type) {
                                case 'AB': return '#C6F9D2'; 
                                case 'BC': return '#CCCCB3'; 
                                case 'CL': return '#CECEFF'; 
                                case 'CI': return '#FFCAFF'; 
                                case 'HB': return '#D0CCCD'; 
                                case 'ON': return '#FFCC99'; 
                                case 'PM': return '#FFCBB9'; 
                                case 'SR': return '#EAEC93'; 
                                case 'TS': return '#D7FBE6'; 
                                case 'IS': return '#FFCACA'; 
                                case 'FREE': return '#00FF00'; 
                            }
                    }),
                    data: (function () {
                        var arr = [];
                        $(ret).each(function () {
                            var labelname = "";
                            switch (this.type) {
                                case "AB": labelname = "Antibodies"; break;
                                case "BC": labelname = "Bacteria"; break;
                                case "CL": labelname = "Cell lines"; break;
                                case "CI": labelname = "Custom items"; break;
                                case "HB": labelname = "Hybridoma"; break;
                                case "ON": labelname = "Oligonucleotides"; break;
                                case "PM": labelname = "Plasmids"; break;
                                case "SR": labelname = "siRNA"; break;
                                case "TS": labelname = "Tissue samples"; break;
                                case "IS": labelname = "Isolates"; break;
                                case "FREE": labelname = "Free space"; break;
                            }
                            arr.push([labelname, this.cnt]);
                        })
                        return arr;
                    })()
                }]
            });
        });
    });


}

Answer 1

对于饼图,您必须在里面设置切片颜色data.
而且你必须使用点name而不是系列类型,系列类型将始终如此"pie".

为此,您可以使用javascript对象表示法来存储每个系列将具有的颜色.
它比使用a更快switch.

var getColor = {
    'AB': '#C6F9D2',
    'BC': '#CCCCB3',
    'CL': '#CECEFF', 
    'CI': '#FFCAFF', 
    'HB': '#D0CCCD', 
    'ON': '#FFCC99', 
    'PM': '#FFCBB9', 
    'SR': '#EAEC93', 
    'TS': '#D7FBE6', 
    'IS': '#FFCACA', 
    'FREE': '#00FF00'
};

series: [{
    type: 'pie',
    name: 'Current selection',
    data: [
        {
            name: 'AB',
            y: 45.0,
            color: getColor['AB']
        }, {
            name: 'BC',
            y: 26.8,
            color: getColor['BC']
        }, {
            name: 'CL',
            y: 12.8,
            sliced: true,
            selected: true,
            color: getColor['CL']
        }, {
            name: 'CI',
            y: 8.5,
            color: getColor['CI']
        }, {
            name: 'HB',
            y: 6.2,
            color: getColor['HB']
        }, {
            name: 'ON',
            y: 0.7,
            color: getColor['ON']
        }
    ]
}]

你可以看到它在这里工作.