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<html>
    <head>
        <meta charset="utf-8">
        <script src="lib/esl.js"></script>
        <script src="lib/config.js"></script>
    </head>
    <body>
        <style>
            html, body, #main {
                width: 100%;
                height: 100%;
                /* background-image: url(old_mathematics.png); */
                /* background-repeat: repeat; */
            }
        </style>
        <div id="main"></div>
        <script>
            var chart;
            require([
                'echarts'
            ], function (echarts) {

                chart = echarts.init(document.getElementById('main'), null, {
                    // renderer: 'svg'
                });

                var canvasColor = ['#FF6161', '#FF8C75', '#FFB499'];
                var svgColor = ['#53C299', '#83E0A8', '#B7F6C0'];
                var evenColor = '#eee';

                var data = [{
                    name: '展示平台',
                    children: [{
                        name: '手机端',
                        children: [{
                            name: '安卓',
                            children: [{
                                name: 'SVG ↑↑↑',
                                value: 1,
                                itemStyle: {
                                    color: svgColor[0]
                                }
                            }]
                        }, {
                            name: 'iOS',
                            children: [{
                                name: 'SVG ↑',
                                value: 1,
                                itemStyle: {
                                    color: svgColor[2]
                                }
                            }]
                        }]
                    }, {
                        name: '电脑端',
                        children: [{
                            name: 'Mac',
                            children: [{
                                name: 'Chrome',
                                children: [{
                                    name: 'SVG ↑',
                                    value: 1,
                                    itemStyle: {
                                        color: svgColor[2]
                                    }
                                }]
                            }, {
                                name: 'Safari',
                                children: [{
                                    name: '-',
                                    value: 1,
                                    itemStyle: {
                                        color: evenColor
                                    }
                                }]
                            }, {
                                name: 'Firefox',
                                children: [{
                                    name: '-',
                                    value: 1,
                                    itemStyle: {
                                        color: evenColor
                                    }
                                }]
                            }]
                        }, {
                            name: 'Windows',
                            children: [{
                                name: 'IE',
                                children: [{
                                    name: 'Canvas ↑↑',
                                    value: 1,
                                    itemStyle: {
                                        color: canvasColor[1]
                                    }
                                }]
                            }, {
                                name: 'Chrome',
                                children: [{
                                    name: '-',
                                    value: 1,
                                    itemStyle: {
                                        color: evenColor
                                    }
                                }]
                            }, {
                                name: 'Firefox',
                                children: [{
                                    name: 'SVG ↑',
                                    value: 1,
                                    itemStyle: {
                                        color: svgColor[2]
                                    }
                                }]
                            }]
                        }]
                    }]
                }, {
                    name: '图表类型',
                    children: [{
                        name: '折线图',
                        children: [{
                            name: 'SVG ↑↑',
                            value: 1,
                            itemStyle: {
                                color: svgColor[1]
                            }
                        }]
                    }, {
                        name: '柱状图',
                        children: [{
                            name: 'Canvas ↑↑',
                            value: 1,
                            itemStyle: {
                                color: canvasColor[1]
                            }
                        }]
                    }, {
                        name: '饼图',
                        children: [{
                            name: '-',
                            value: 1,
                            itemStyle: {
                                color: evenColor
                            }
                        }]
                    }]
                }, {
                    name: '数据量',
                    children: [{
                        name: '< 1000',
                        children: [{
                            name: '-',
                            value: 1,
                            itemStyle: {
                                color: evenColor
                            }
                        }]
                    }, {
                        name: '>= 1000',
                        children: [{
                            name: 'Canvas ↑',
                            value: 1,
                            itemStyle: {
                                color: canvasColor[2]
                            }
                        }]
                    }]
                }, {
                    name: '图表个数',
                    children: [{
                        name: '< 10',
                        children: [{
                            name: '-',
                            value: 1,
                            itemStyle: {
                                color: evenColor
                            }
                        }]
                    }, {
                        name: '>= 10',
                        children: [{
                            name: 'SVG ↑↑↑',
                            value: 1,
                            itemStyle: {
                                color: svgColor[0]
                            }
                        }]
                    }]
                }, {
                    name: '特殊\n渲染\n需求',
                    children: [{
                        name: '仅 Canvas\n支持',
                        value: 1,
                        itemStyle: {
                            color: canvasColor[0]
                        }
                    }]
                }];

                chart.setOption({
                    series: {
                        radius: ['10%', '120%'],
                        center: ['50%', '38%'],
                        startAngle: 0,
                        type: 'sunburst',
                        sort: null,
                        highlightPolicy: 'ancestor',
                        data: data,
                        label: {
                            rotate: 0,
                            fontSize: 14
                        },
                        levels: [{}, {
                            itemStyle: {
                                color: '#999'
                            }
                        }, {
                            itemStyle: {
                                color: '#bbb'
                            }
                        }, {
                            itemStyle: {
                                color: '#ccc'
                            }
                        }],
                        itemStyle: {
                            color: '#ddd',
                            borderWidth: 2
                        }
                    }
                });
            });

        </script>
    </body>
</html>