全国地图echarts 地图配置项内容和展示

      //城市经纬度
var geoCoordMap = {
    "北京": [116.46, 39.92],
    "成都": [104.06, 30.67],
    "杭州": [120.19, 30.26],
    "济南": [117, 36.65],
    "福州": [119.3, 26.08],
    "上海": [121.48, 31.22],
    "重庆": [106.54, 29.59],
    "深圳": [114.07, 22.62],
    "宁波": [121.56, 29.86],
    "南昌": [115.89, 28.68],
    "广州": [113.23, 23.16],
    "厦门": [118.1, 24.46],
    "太原": [112.53, 37.87],
    "哈尔滨": [126.63, 45.75],
    "西安": [108.95, 34.27],
    "沈阳": [123.38, 41.8],
    "大连": [121.62, 38.92],
    "海口": [110.35, 20.02],
    "长沙": [113, 28.21],
    "银川": [106.27, 38.47],
    "石家庄": [114.48, 38.03],
    "昆明": [102.73, 25.04],
    "武汉": [114.31, 30.52],
    "呼和浩特": [111.65, 40.82],
    "天津": [117.2, 39.13],
    "贵阳": [106.71, 26.57],
    "兰州": [103.73, 36.03],
    "青岛": [120.33, 36.07],
    "南京": [118.78, 32.04],
    "长春": [125.35, 43.88],
    "郑州": [113.65, 34.76],
    "西宁": [101.74, 36.56],
    "合肥": [117.27, 31.86],
    "南宁": [108.33, 22.84],
    "拉萨": [91.11, 29.97],
    "乌鲁木齐": [87.68, 43.77]
};


//数据部分
var data = [
    {name:"北京",value:88.8},
    {name:"成都",value:88.7},
    {name:"厦门",value:88.01},
    {name:"杭州",value:87.9},
    {name:"济南",value:87.48},
    {name:"福州",value:87.47},
    {name:"上海",value:87.43},
    {name:"重庆",value:87.38},
    {name:"深圳",value:87.37},
    {name:"昆明",value:87.26},
    {name:"宁波",value:87.1},
    {name:"南昌",value:86.06},
    {name:"广州",value:85.89},
    {name:"太原",value:84.45},
    {name:"哈尔滨",value:83.96},
    {name:"西安",value:83.24},
    {name:"沈阳",value:82.96},
    {name:"大连",value:82.94},
    {name:"海口",value:82.88},
    {name:"长沙",value:82.85},
    {name:"银川",value:82.49},
    {name:"石家庄",value:82.24},
    {name:"武汉",value:81.68},
    {name:"呼和浩特",value:81.61},
    {name:"天津",value:80.99},
    {name:"贵阳",value:80.71},
    {name:"兰州",value:80.69},
    {name:"南京",value:80.65},
    {name:"青岛",value:80.61},
    {name:"长春",value:80.1},
    {name:"郑州",value:79.56},
    {name:"西宁",value:79.07},
    {name:"南宁",value:78.2},
    {name:"合肥",value:77.29},
    {name:"乌鲁木齐",value:76.91},
    {name:"拉萨",value:76.01}
];
var convertData = function(data) {
    var res = [];
    for (var i = 0; i < data.length; i++) {
        var geoCoord = geoCoordMap[data[i].name];
        if (geoCoord) {
            res.push({
                name: data[i].name,
                value: geoCoord.concat(data[i].value)
            });
        }
    }
    return res;
};

myChart.setOption(option = {
    toolbox: {
        show: true,
        feature: {
            dataView: {
                show: true,
                readOnly: true
            },
            restore: {
                show: true
            },
            saveAsImage: {
                show: true
            }
        },
        top:40,
        right:40
    },
    title: {
        //text: '2020年全国大厅监测得分',
        top:40,
        //subtext: 'from 零点有数',
        left: 'center',
        textStyle: {
            color: '#ffffff',
            fontSize: 30
        },
        subtextStyle: {
            fontSize: 20
        }
    },
    legend: {
        left: 'left',
        data: ['强', '中', '弱'],
        textStyle: {
            color: '#ccc'
        }
    },
    backgroundColor: {
        type: 'linear',
        x: 0,
        y: 0,
        x2: 1,
        y2: 1,
        colorStops: [{
            offset: 0, color: '#0f2c70' // 0% 处的颜色
        }, {
            offset: 1, color: '#091732' // 100% 处的颜色
        }],
        globalCoord: false // 缺省为 false
    },
    visualMap: {
        min: 75,
        max: 90,
        left: 40,
        bottom: 40,
        calculable: false,
        text: ['高', '低'],
        inRange: {
            color: ['rgb(4, 1, 255)', 'rgb(225, 1, 255)']
        },
        textStyle: {
            color: '#ffffff',
            fontSize: 10
        }
    },
    geo: {
        map: 'china',
        show: true,
        roam: true,
        label: {
            emphasis: {
                show: true
            }
        },
        itemStyle: {
            normal: {
                areaColor: '#091632',
                borderColor: '#1773c3',
                shadowColor: '#1773c3',
                shadowBlur: 20
            }
        }
    },
    series: [
        {
            type: 'map',
            map: 'china',
            geoIndex: 1,
            aspectScale: 0.75, //长宽比
            showLegendSymbol: true, // 存在legend时显示
            label: {
                normal: {
                    show: false,
                },
                emphasis: {
                    show: false,
                    textStyle: {
                        color: '#fff'
                    }
                }
            },
            roam: true,
            itemStyle: {
                normal: {
                    areaColor: '#031525',
                    borderColor: '#3B5077',
                    borderWidth: 1.5
                },
                emphasis: {
                    areaColor: '#0f2c70'
                }
            },
        },
        {
            name: '城市',
            type: 'scatter',
            coordinateSystem: 'geo',
            data: convertData(data),
            symbolSize: function (val) {
                return val[2]/8;
            },
            label: {
                normal: {
                    formatter: '{b}',
                    position: 'bottom',
                    textStyle:{
                        fontSize:10,
                        fontWeight:'bolder',
                        color:'#ffffff'
                    },
                    show: true
                },
                emphasis: {
                    show: true
                }
            },
            itemStyle: {
                normal: {
                    color: '#ddb926'
                }
            }
        }
    ]
});