仿【地图下钻+地图数据展示】ECharts Gallery

20:11:45图表已生成
代码
var shanxi = "/asset/get/s/data-1556086823298-jTPQYcrvm.json";
var changzhi = "/asset/get/s/data-1556086789027-UG_PUAwvy.json";
var yuncheng = "/asset/get/s/data-1556086786435-WsO-tL7hs.json";
var yangquan = "/asset/get/s/data-1556086782944-bJwSLAOd_.json";
var xinzhou = "/asset/get/s/data-1556086778148-I5jgioyuQ.json";
var taiyuan = "/asset/get/s/data-1556086775245-8yE6jt6wc.json";
var shuozhou = "/asset/get/s/data-1556086771819-_iZfxoHQa.json";
var luliang = "/asset/get/s/data-1556086768404-hS5CFJle4.json";
var linfen = "/asset/get/s/data-1556086762626--jnKmSb6Q.json";
var jinzhong = "/asset/get/s/data-1556086758823-NbPDv5sJp.json";
var jincheng = "/asset/get/s/data-1556086755244-b99vU8xGP.json";
var datong = "/asset/get/s/data-1556086750874-xBk3lBmlD.json";

echarts.extendsMap = function(id, opt) {
    // 实例
    var chart = this.init(document.getElementById(id));

    var curGeoJson = {};
    var cityMap = {
        "晋城市": jincheng,
        "长治市": changzhi,
        "运城市": yuncheng,
        "阳泉市": yangquan,
        "忻州市": xinzhou,
        "太原市": taiyuan,
        "朔州市": shuozhou,
        "吕梁市": luliang,
        "临汾市": linfen,
        "晋中市": jinzhong,
        "大同市": datong
    };
    var geoCoordMap = {
        '忻州': [112.4561, 38.8971],
        '吕梁': [111.3574, 37.7325],
        '临汾': [111.4783, 36.1615],
        '晋中': [112.7747, 37.37],
        '运城': [111.1487, 35.2002],
        '大同': [113.7854, 39.8035],
        '长治': [112.8625, 36.4746],
        '朔州': [113.0713, 39.6991],
        '晋城': [112.7856, 35.6342],
        '屯兰': [112.1231, 37.8997],
        '阳泉': [113.4778, 38.0951]
    };
    var levelColorMap = {
        '1': 'rgba(241, 109, 115, .8)',
        '2': 'rgba(255, 235, 59, .7)',
        '3': 'rgba(147, 235, 248, 1)'
    };

    var defaultOpt = {
        mapName: 'china', // 地图展示
        goDown: false, // 是否下钻
        bgColor: '#404a59', // 画布背景色
        activeArea: [], // 区域高亮,同echarts配置项
        data: [],
        // 下钻回调(点击的地图名、实例对象option、实例对象)
        callback: function(name, option, instance) {}
    };
    if (opt) opt = this.util.extend(defaultOpt, opt);

    // 层级索引
    var name = [opt.mapName];
    var idx = 0;
    var pos = {
        leftPlus: 115,
        leftCur: 150,
        left: 198,
        top: 50
    };

    var line = [
        [0, 0],
        [8, 11],
        [0, 22]
    ];
    // style
    var style = {
        font: '18px "Microsoft YaHei", sans-serif',
        textColor: '#eee',
        lineColor: 'rgba(147, 235, 248, .8)'
    };

    var handleEvents = {
        /**
         * i 实例对象
         * o option
         * n 地图名
         **/
        resetOption: function(i, o, n) {
            var breadcrumb = this.createBreadcrumb(n);

            var j = name.indexOf(n);
            var l = o.graphic.length;
            if (j < 0) {
                o.graphic.push(breadcrumb);
                o.graphic[0].children[0].shape.x2 = 145;
                o.graphic[0].children[1].shape.x2 = 145;
                if (o.graphic.length > 2) {
                    for (var x = 0; x < opt.data.length; x++) {
                        if (n === opt.data[x].name + '市') {
                            o.series[0].data = handleEvents.initSeriesData([opt.data[x]]);
                            break;
                        } else o.series[0].data = [];
                    }
                }
                name.push(n);
                idx++;
            } else {
                o.graphic.splice(j + 2, l);
                if (o.graphic.length <= 2) {
                    o.graphic[0].children[0].shape.x2 = 60;
                    o.graphic[0].children[1].shape.x2 = 60;
                    o.series[0].data = handleEvents.initSeriesData(opt.data);
                }
                name.splice(j + 1, l);
                idx = j;
                pos.leftCur -= pos.leftPlus * (l - j - 1);
            }

            o.geo.map = n;
            o.geo.zoom = 0.4;
            i.clear();
            i.setOption(o);
            this.zoomAnimation();
            opt.callback(n, o, i);
        },

        /**
         * name 地图名
         **/
        createBreadcrumb: function(name) {
            var cityToPinyin = {
                "晋城市": "jincheng",
                "长治市": "changzhi",
                "大同市": "datong",
                "朔州市": "shuozhou",
                "太原市": "taiyuan",
                "忻州市": "xinzhou",
                "临汾市": "linfen",
                "晋中市": "jinzhong",
                "吕梁市": "luliang",
                "阳泉市": "yangquan",
                "运城市": "yuncheng"
            };
            var breadcrumb = {
                type: 'group',
                id: name,
                left: pos.leftCur + pos.leftPlus,
                top: pos.top + 3,
                children: [{
                    type: 'polyline',
                    left: -90,
                    top: -5,
                    shape: {
                        points: line
                    },
                    style: {
                        stroke: '#fff',
                        key: name
                        // lineWidth: 2,
                    },
                    onclick: function() {
                        var name = this.style.key;
                        handleEvents.resetOption(chart, option, name);
                    }
                }, {
                    type: 'text',
                    left: -68,
                    top: 'middle',
                    style: {
                        text: name,
                        textAlign: 'center',
                        fill: style.textColor,
                        font: style.font
                    },
                    onclick: function() {
                        var name = this.style.text;
                        handleEvents.resetOption(chart, option, name);
                    }
                }, {
                    type: 'text',
                    left: -68,
                    top: 10,
                    style: {

                        name: name,
                        text: cityToPinyin[name] ? cityToPinyin[name].toUpperCase() : '',
                        textAlign: 'center',
                        fill: style.textColor,
                        font: '12px "Microsoft YaHei", sans-serif',
                    },
                    onclick: function() {
                        // console.log(this.style);
                        var name = this.style.name;
                        handleEvents.resetOption(chart, option, name);
                    }
                }]
            }

            pos.leftCur += pos.leftPlus;

            return breadcrumb;
        },

        // 设置effectscatter
        initSeriesData: function(data) {
            var temp = [];
            for (var i = 0; i < data.length; i++) {
                var geoCoord = geoCoordMap[data[i].name];
                if (geoCoord) {
                    temp.push({
                        name: data[i].name,
                        value: geoCoord.concat(data[i].value),
                        crew: data[i].crew,
                        company: data[i].company,
                        position: data[i].position,
                        region: data[i].region,
                        value: geoCoord.concat(data[i].value, data[i].level)
                    });
                }
            }
            return temp;
        },

        zoomAnimation: function() {
            var count = null;
            var zoom = function(per) {
                if (!count) count = per;
                count = count + per;
                // console.log(per,count);
                chart.setOption({
                    geo: {
                        zoom: count
                    }
                });
                if (count < 1) window.requestAnimationFrame(function() {
                    zoom(0.2);
                });
            };
            window.requestAnimationFrame(function() {
                zoom(0.2);
            });
        }
    };

    var option = {
        backgroundColor: opt.bgColor,
        tooltip: {
            show: true,
            trigger: 'item',
            alwaysShowContent: false,
            backgroundColor: 'rgba(50,50,50,0.7)',
            hideDelay: 100,
            triggerOn: 'mousemove',
            enterable: true,
            position: ['60%', '70%'],
            formatter: function(params, ticket, callback) {
                return '简称：' + params.data.name + '<br/>' + '机组：' + params.data.crew + '万千瓦' + '<br/>' + '公司名称：' + params.data.company + '<br/>' + '所属大区：' + params.data.region + '<br/>' + '所在位置：' + params.data.position
            }
        },
        graphic: [{
            type: 'group',
            left: pos.left,
            top: pos.top - 4,
            children: [{
                type: 'line',
                left: 0,
                top: -20,
                shape: {
                    x1: 0,
                    y1: 0,
                    x2: 60,
                    y2: 0
                },
                style: {
                    stroke: style.lineColor,
                }
            }, {
                type: 'line',
                left: 0,
                top: 20,
                shape: {
                    x1: 0,
                    y1: 0,
                    x2: 60,
                    y2: 0
                },
                style: {
                    stroke: style.lineColor,
                }
            }]
        }, {
            id: name[idx],
            type: 'group',
            left: pos.left + 2,
            top: pos.top,
            children: [{
                type: 'polyline',
                left: 90,
                top: -12,
                shape: {
                    points: line
                },
                style: {
                    stroke: 'transparent',
                    key: name[0]
                },
                onclick: function() {
                    var name = this.style.key;
                    handleEvents.resetOption(chart, option, name);
                }
            }, {
                type: 'text',
                left: 0,
                top: 'middle',
                style: {
                    text: name[0] === '山西' ? '山西省' : name[0],
                    textAlign: 'center',
                    fill: style.textColor,
                    font: style.font
                },
                onclick: function() {
                    handleEvents.resetOption(chart, option, '山西');
                }
            }, {
                type: 'text',
                left: 0,
                top: 10,
                style: {
                    text: 'SHANGXI',
                    textAlign: 'center',
                    fill: style.textColor,
                    font: '12px "Microsoft YaHei", sans-serif',
                },
                onclick: function() {
                    handleEvents.resetOption(chart, option, '山西');
                }
            }]
        }],
        geo: {
            map: opt.mapName,
            // roam: true,
            zoom: 1,
            label: {
                normal: {
                    show: true,
                    textStyle: {
                        color: '#fff'
                    }
                },
                emphasis: {
                    textStyle: {
                        color: '#fff'
                    }
                }
            },
            itemStyle: {
                normal: {
                    borderColor: 'rgba(147, 235, 248, 1)',
                    borderWidth: 1,
                    areaColor: {
                        type: 'radial',
                        x: 0.5,
                        y: 0.5,
                        r: 0.8,
                        colorStops: [{
                            offset: 0,
                            color: 'rgba(147, 235, 248, 0)' // 0% 处的颜色
                        }, {
                            offset: 1,
                            color: 'rgba(147, 235, 248, .2)' // 100% 处的颜色
                        }],
                        globalCoord: false // 缺省为 false
                    },
                    shadowColor: 'rgba(128, 217, 248, 1)',
                    // shadowColor: 'rgba(255, 255, 255, 1)',
                    shadowOffsetX: -2,
                    shadowOffsetY: 2,
                    shadowBlur: 10
                },
                emphasis: {
                    areaColor: '#389BB7',
                    borderWidth: 0
                }
            },
            regions: opt.activeArea.map(function(item) {
                if (typeof item !== 'string') {
                    return {
                        name: item.name,
                        itemStyle: {
                            normal: {
                                areaColor: item.areaColor || '#389BB7'
                            }
                        },
                        label: {
                            normal: {
                                show: item.showLabel,
                                textStyle: {
                                    color: '#fff'
                                }
                            }
                        }
                    }
                } else {
                    return {
                        name: item,
                        itemStyle: {
                            normal: {
                                borderColor: '#91e6ff',
                                areaColor: '#389BB7'
                            }
                        }
                    }
                }
            })
        },
        series: [{
            type: 'effectScatter',
            coordinateSystem: 'geo',
            // symbol: 'diamond',
            showEffectOn: 'render',
            rippleEffect: {
                period: 15,
                scale: 6,
                brushType: 'fill'
            },
            hoverAnimation: true,
            itemStyle: {
                normal: {
                    color: function(params) {
                        return levelColorMap[params.value[3]];
                    },
                    shadowBlur: 10,
                    shadowColor: '#333'
                }
            },
            data: handleEvents.initSeriesData(opt.data)
        }]
    };

    chart.setOption(option);
    // 添加事件
    chart.on('click', function(params) {
        var _self = this;
        if (opt.goDown && params.name !== name[idx]) {
            if (cityMap[params.name]) {
                var url = cityMap[params.name];
                $.get(url, function(response) {
                    // console.log(response);
                    curGeoJson = response;
                    echarts.registerMap(params.name, response);
                    handleEvents.resetOption(_self, option, params.name);
                });
            }
        }
    });

    chart.setMap = function(mapName) {
        var _self = this;
        if (mapName.indexOf('市') < 0) mapName = mapName + '市';
        var citySource = cityMap[mapName];
        if (citySource) {
            var url = './map/' + citySource + '.json';
            $.get(url, function(response) {
                // console.log(response);
                curGeoJson = response;
                echarts.registerMap(mapName, response);
                handleEvents.resetOption(_self, option, mapName);
            });
        }
        // handleEvents.resetOption(this, option, mapName);
    };

    return chart;
};

$.getJSON(shanxi, function(geoJson) {
    echarts.registerMap('山西', geoJson);
    var myChart = echarts.extendsMap('chart-panel', {
        bgColor: '#154e90', // 画布背景色
        mapName: '山西', // 地图名
        goDown: true, // 是否下钻
        // 下钻回调
        callback: function(name, option, instance) {
            console.log(name, option, instance);
        },
        // 数据展示            	
        data: [{
            city: '太原',
            name: '屯兰',
            value: 30,
            crew: '2*30',
            company: "华润电力湖北有限公司",
            position: '湖北省赤壁市陆水大道99号',
            region: '华中大区',
            level:1
        }, {
            name: '晋城',
            value: 12,
            level: 2
        }, {
            name: '阳泉',
            value: 11,
            level: 3
        }, {
            name: '吕梁',
            value: 16,
            level: 2
        }, {
            name: '临汾',
            value: 12,
            level: 1
        }]
    });
})
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