echarts 地图配置项内容和展示

配置项如下
      var chart = echarts.init(document.getElementById('main'));
var cityProper = {
    '城阳区': 'js/chengyang.json',
    '崂山区': 'js/laoshan.json',
    '李沧区': 'js/licang.json',
    '市北区': 'js/shibei.json',
    '市南区': 'js/shinan.json',
    '胶南': 'js/jiaonan.json',
    '胶州': 'js/jiaozhou.json',
    '即墨': 'js/jimo.json',
    '莱西': 'js/laixi.json',
    '平度': 'js/pingdu.json'
};
var data = [{
    name: '城阳区'
}, {
    name: '崂山区'
}, {
    name: '李沧区'
}, {
    name: '市北区'
}, {
    name: '市南区'
}, {
    name: '胶南'
}, {
    name: '胶州'
}, {
    name: '即墨'
}, {
    name: '莱西'
}, {
    name: '平度'
}];
for (var i = 0; i < data.length; i++) {
    data[i].value = Math.round(Math.random() * 10000);
}


option = {
    tooltip: {
        trigger: 'item'
    },
    toolbox: {
        show: true,
        orient: 'vertical',
        x: 'right',
        y: 'center',
        feature: {
            mark: {
                show: true
            },
            dataView: {
                show: true,
                readOnly: false
            }
        }
    },
    series: [{
        tooltip: {
            trigger: 'item'
        },
        name: '选择器',
        type: 'map',
        mapType: 'qingdao',
        mapLocation: {
            x: 'left',
            y: 'top',
            width: '30%'
        },
        roam: true,
        selectedMode: 'single',
        itemStyle: {
            normal: {
                label: {
                    show: true
                }
            },
            emphasis: {
                label: {
                    show: true
                }
            }
        },
        data: data
    }],
    animation: false
};

chart.setOption(option, true);
//var ecConfig = echarts.config;
chart.on("click", function(param) {
    var selected = param.selected;
    //console.log(option.series[0].data[1].selected);
    var selectedProvince = param.name;
    if (!cityProper[selectedProvince]) {
        option.series.splice(1);
        option.legend = null;
        option.visualMap = null;
        chart.setOption(option, true);
        return;
    }

    $.get(cityProper[selectedProvince], function(geojson) {
        echarts.registerMap(selectedProvince, geojson);
        option.series[1] = {
            name: '选择器',
            type: 'map',
            mapType: selectedProvince,
            left: '50%',
            top: 'top',
            width: '30%',
            roam: true,
            selectedMode: 'single',
            itemStyle: {
                normal: {
                    label: {
                        show: true
                    }
                },
                emphasis: {
                    label: {
                        show: true
                    }
                }
            },
            data: data
        };
        option.legend = {
            left: 'right',
            data: ['随机数据']
        };
        option.visualMap = {
            seriesIndex: 1,
            orient: 'horizontal',
            left: 'right',
            min: 0,
            max: 1000,
            color: ['orange', 'yellow'],
            text: ['高', '低'], // 文本,默认为数值文本
            splitNumber: 0
        };
        chart.setOption(option, true);
    })

});
    
截图如下