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<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <script src="lib/esl.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/jquery.min.js"></script>
    </head>
    <body>
        <style>
            html, body, #main {
                width: 100%;
                height: 100%;
                /*border: 1px solid #000;*/
            }
        </style>
        <div id="main"><div>
        <script>
            require(['echarts'], function (echarts) {

                    var chart = echarts.init(document.getElementById('main'), null, {});

                    window.onresize = function () {
                        chart.resize();
                    };

                    $.getJSON('./data/product.json')
                    .done(function(data) {
                        chart.setOption({
                            tooltip: {
                                trigger: 'item',
                                triggerOn: 'mousemove'
                            },
                            animation: false,
                            series: [
                                {
                                    type: 'sankey',
                                    focusNodeAdjacency: true,
                                    data: data.nodes,
                                    links: data.links,
                                    levels: [{
                                        depth: 0,
                                        itemStyle: {
                                            color: '#fbb4ae'
                                        },
                                        lineStyle: {
                                            color: 'source',
                                            opacity: 0.6
                                        }
                                    }, {
                                        depth: 1,
                                        itemStyle: {
                                            color: '#b3cde3'
                                        },
                                        lineStyle: {
                                            color: 'source',
                                            opacity: 0.6
                                        }
                                    }, {
                                        depth: 2,
                                        itemStyle: {
                                            color: '#ccebc5'
                                        },
                                        lineStyle: {
                                            color: 'source',
                                            opacity: 0.6
                                        }
                                    }, {
                                        depth: 3,
                                        itemStyle: {
                                            color: '#decbe4'
                                        },
                                        lineStyle: {
                                            color: 'source',
                                            opacity: 0.6
                                        }
                                    }],
                                    lineStyle: {
                                        normal: {
                                            curveness: 0.6
                                        }
                                    }
                                }
                            ]
                        });
                    });
                });
        </script>
    </body>
</html>