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<html>
    <head>
        <meta charset="utf-8">
        <script src="lib/esl.js"></script>
        <script src="lib/config.js"></script>
        <meta name="viewport" content="width=device-width, initial-scale=1" />
    </head>
    <body>
        <style>
            html, body, #main {
                width: 100%;
                height: 100%;
                margin: 0;
            }
            #main {
                background: #fff;
            }
        </style>
        <div id="main"></div>
        <script>

            require([
                'echarts'
                // 'echarts/chart/bar',
                // 'echarts/component/legend',
                // 'echarts/component/polar',
                // 'echarts/component/title',
                // 'echarts/component/tooltip',
                // 'zrender/vml/vml'
            ], function (echarts) {

                var chart = echarts.init(document.getElementById('main'));

                var data = [
                    [5000, 10000, 6785.71],
                    [4000, 10000, 6825],
                    [3000, 6500, 4463.33],
                    [2500, 5600, 3793.83],
                    [2000, 4000, 3060],
                    [2000, 4000, 3222.33],
                    [2500, 4000, 3133.33],
                    [1800, 4000, 3100],
                    [2000, 3500, 2750],
                    [2000, 3000, 2500],
                    [1800, 3000, 2433.33],
                    [2000, 2700, 2375],
                    [1500, 2800, 2150],
                    [1500, 2300, 2100],
                    [1600, 3500, 2057.14],
                    [1500, 2600, 2037.5],
                    [1500, 2417.54, 1905.85],
                    [1500, 2000, 1775],
                    [1500, 1800, 1650]
                ];
                var cities = ['北京', '上海', '深圳', '广州', '苏州', '杭州', '南京', '福州', '青岛', '济南', '长春', '大连', '温州', '郑州', '武汉', '成都', '东莞', '沈阳', '烟台'];
                var barHeight = 50;

                chart.setOption({
                    title: {
                        text: '在中国租个房子有多贵？',
                        subtext: '市中心一室月租费（数据来源：https://www.numbeo.com）'
                    },
                    legend: {
                        show: true,
                        data: ['价格范围', '均值']
                    },
                    grid: {
                        top: 100
                    },
                    angleAxis: {
                        type: 'category',
                        data: cities
                    },
                    tooltip: {
                        show: true,
                        formatter: function (params) {
                            var id = params.dataIndex;
                            return cities[id] + '<br>最高：' + data[id][0] + '<br>最低：' + data[id][1] + '<br>平均：' + data[id][2];
                        }
                    },
                    radiusAxis: {
                    },
                    polar: {
                    },
                    series: [{
                        type: 'bar',
                        itemStyle: {
                            normal: {
                                color: 'transparent'
                            }
                        },
                        data: data.map(function (d) {
                            return d[0];
                        }),
                        coordinateSystem: 'polar',
                        stack: '最大最小值',
                        silent: true
                    }, {
                        type: 'bar',
                        data: data.map(function (d) {
                            return d[1] - d[0];
                        }),
                        coordinateSystem: 'polar',
                        name: '价格范围',
                        stack: '最大最小值'
                    }, {
                        type: 'bar',
                        itemStyle: {
                            normal: {
                                color: 'transparent'
                            }
                        },
                        data: data.map(function (d) {
                            return d[2] - barHeight;
                        }),
                        coordinateSystem: 'polar',
                        stack: '均值',
                        silent: true,
                        z: 10
                    }, {
                        type: 'bar',
                        data: data.map(function (d) {
                            return barHeight * 2
                        }),
                        coordinateSystem: 'polar',
                        name: '均值',
                        stack: '均值',
                        barGap: '-100%',
                        z: 10
                    }],
                    legend: {
                        show: true,
                        data: ['A', 'B', 'C']
                    }
                });

                chart.on('click', function (params) {
                    console.log(params);
                });

                window.onresize = chart.resize;
            });
        </script>
    </body>
</html>