test/funnel.html

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<html>
    <head>
        <meta charset="utf-8">
        <script src="lib/simpleRequire.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/dat.gui.min.js"></script>
    </head>
    <body>
        <style>
            html, body, #main {
                width: 100%;
                height: 100%;
                margin: 0;
            }
        </style>
        <div id="main"></div>
        <script>

            require([
                'echarts'
            ], function (echarts) {

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

                });

                var itemStyle = {
                    normal: {
                        borderWidth: 0
                    },
                    emphasis: {
                        shadowBlur: 40,
                        shadowOffsetX: 0,
                        shadowOffsetY: 0,
                        shadowColor: 'rgba(0, 0, 0, 0.4)',
                        borderWidth: 2
                    }
                };

                chart.setOption({
                    aria: {
                        show: true
                    },
                    title : {
                        text: '漏斗图',
                        subtext: '纯属虚构'
                    },
                    tooltip : {
                        trigger: 'item',
                        formatter: '{a} <br/>{b} : {c}%'
                    },
                    legend: {
                        data : ['展现','点击','访问','咨询','订单']
                    },
                    series: [
                        {
                            name:'漏斗图',
                            type:'funnel',
                            gap: 3,
                            itemStyle: itemStyle,
                            left: 300,
                            right: 300,
                            sort: 'ascending',
                            orient: 'horizontal',
                            label: {
                                normal: {
                                    position: 'leftTop'
                                }
                            },
                            data:[
                                {value:60, name:'访问'},
                                {value:40, name:'咨询'},
                                {value:20, name:'订单'},
                                {
                                    value:80,
                                    name:'点击',
                                    itemStyle: {
                                        height: '10%'
                                    },
                                    label: {
                                        position: 'insideLeft'
                                    }
                                },
                                {
                                    value:100,
                                    name:'展现',
                                    itemStyle: {
                                        height: '30%'
                                    },
                                    label: {
                                        position: 'insideRight'
                                    }
                                }
                            ]
                        }
                    ]
                });

                var config = {
                    sort: 'ascending',
                    orient: 'vertical',
                    labelPosition: 'inside',
                    labelLineLen: 20
                };

                function update() {
                    chart.setOption({
                        series: [{
                            name: '漏斗图',
                            sort: config.sort,
                            orient: config.orient,
                            label: {
                                normal: {
                                    position: config.labelPosition
                                }
                            },
                            labelLine: {
                                normal: {
                                    length: config.labelLineLen
                                }
                            }
                        }]
                    });
                }

                var gui = new dat.GUI();
                gui.add(config, 'sort', ['descending', 'ascending', 'none'])
                    .onChange(update);
                gui.add(config, 'orient', ['vertical', 'horizontal'])
                    .onChange(update);
                gui.add(config, 'labelPosition', ['inside', 'center', 'insideLeft', 'insideRight', 'left', 'right', 'top', 'bottom', 'leftTop', 'leftBottom', 'rightTop', 'rightBottom'])
                    .onChange(update);
                gui.add(config, 'labelLineLen', 0, 100)
                    .onChange(update);
            });

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