test/sunburst-label-rotate.html

<!DOCTYPE html>
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<html>
    <head>
        <meta charset="utf-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <script src="lib/simpleRequire.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/jquery.min.js"></script>
        <script src="lib/facePrint.js"></script>
        <script src="lib/testHelper.js"></script>
        <script src="lib/dat.gui.min.js"></script>
        <!-- <script src="ut/lib/canteen.js"></script> -->
        <link rel="stylesheet" href="lib/reset.css" />
    </head>
    <body>
        <style></style>

        <div id="main0"></div>

        <script>
            require([
                "echarts",
                // 'map/js/china',
                // './data/nutrients.json'
            ], function (echarts) {
                var option;

                var data = [
                    {
                        name: "Grandpa",
                        children: [
                            {
                                name: "Uncle Leo",
                                value: 15,
                                children: [
                                    {
                                        name: "Cousin Ben",
                                        value: 4,
                                    },
                                ],
                            },
                        ],
                    },
                    {
                        name: "Mike",
                        children: [
                            {
                                name: "Uncle Dan",
                                children: [
                                    {
                                        name: "Cousin Lucy",
                                        value: 3,
                                    },
                                    {
                                        name: "Cousin Luck",
                                        value: 4,
                                        children: [
                                            {
                                                name: "Nephew",
                                                value: 2,
                                            },
                                        ],
                                    },
                                ],
                            },
                        ],
                    },
                ];

                option = {
                    series: {
                        type: "sunburst",
                        data: data,
                        labelLayout: {
                            hideOverlap: true,
                        },
                        label: {},
                    },
                };

                var chart = testHelper.create(echarts, "main0", {
                    title: ["Put label in the center if it's a circle"],
                    option: option,
                    // height: 300,
                    // buttons: [{text: 'btn-txt', onclick: function () {}}],
                    // recordCanvas: true,
                });
            });
        </script>
    </body>
</html>