• echarts地图迁徙图(根据数据设置线的颜色)


    <!DOCTYPE html>
    <html>
     
    <head>
        <meta charset="utf-8">
        <title>echarts中国地图</title>
        <style>
            .centerItem {
                 856px;
                height: 640px;
                background-color: #003077;
                margin: 110px auto 0 auto;
            }
        </style>
    </head>
     
    <body>
        <!-- 中国地图展示 -->
        <div id="mapBox" class="centerItem"></div>
     
        <!-- 引入 ECharts 文件 -->
        <script src="echarts.js"></script>
        <script src="china.js"></script>
     
        <script>
            // 基于准备好的dom,初始化echarts实例
            var mapBoxEchart = echarts.init(document.getElementById('mapBox'));
            var geoCoordMap = { //可以在地图上显示的城市的坐标信息
                "石家庄": [114.52,38.05],
                "长春": [125.8154, 44.2584],
                "长沙": [113.0823, 28.2568],
                "贵阳": [106.6992, 26.7682],
                "杨凌": [109.1162, 34.2004],
                "深圳": [114.5435, 22.5439],
                "济南": [117.1582, 36.8701],
                "海口": [110.3893, 19.8516],
                "沈阳": [123.1238, 42.1216],
                "武汉": [114.3896, 30.6628],
                "红安": [114.23, 31.1],
                "昆明": [102.9199, 25.4663],
                "包头":[109.83,40.63],
                "杭州": [119.5313, 29.8773],
                "成都": [103.9526, 30.7617],
                "拉萨": [91.1865, 30.1465],
                "天津": [117.4219, 39.4189],
                "合肥": [117.29, 32.0581],
                "呼和浩特": [111.4124, 40.4901],
                "哈尔滨": [127.9688, 45.368],
                "北京": [116.4551, 40.2539],
                "南京": [118.8062, 31.9208],
                "南宁": [108.479, 23.1152],
                "南昌": [116.0046, 28.6633],
                "乌鲁木齐": [87.9236, 43.5883],
                "上海": [121.4648, 31.2891],
                "三亚": [109.5000, 18.2000]
            };
            var HFData = [ // 数据中name的城市名称必须与geoCoordMap中城市名称一致, 不然关联不上,北京到各地区的线路
                [{name: "北京"}, {name: "北京",value: 87}],
                [{name: "北京"}, {name: "济南",value: 87}],
                [{name: "北京"}, {name: "北京",value: 101}],
                [{name: "北京"}, {name: "包头",value: 101}],
                [{name: "北京"}, {name: "北京",value: 150}],
                [{name: "北京"}, {name: "石家庄",value: 150}],
                [{name: "北京"}, {name: "北京",value: 120}],
                [{name: "北京"}, {name: "哈尔滨",value: 120}],
                [{name: "北京"}, {name: "北京",value: 78}],
                [{name: "北京"}, {name: "长春",value: 77}],
                [{name: "北京"}, {name: "北京",value: 89}],
                [{name: "北京"}, {name: "天津",value: 89}],
                [{name: "北京"}, {name: "北京",value: 67}],
                [{name: "北京"}, {name: "乌鲁木齐",value:67}],
                [{name: "北京"}, {name: "北京",value: 45}],
                [{name: "北京"}, {name: "拉萨",value: 45}],
                [{name: "北京"}, {name: "北京",value:56}],
                [{name: "北京"}, {name: "昆明",value: 56}],
                [{name: "北京"}, {name: "北京",value: 23}],
                [{name: "北京"}, {name: "合肥",value: 23}],
            ];
            var planePath = "arrow"; // 箭头的svg
            // push进去线路开始-结束地点-经纬度
            var convertData = function(data) {
                var res = [];
                for (var i = 0; i < data.length; i++) {
                    var dataItem = data[i];
                    var fromCoord = geoCoordMap[dataItem[0].name];//出发地坐标获取
                    var toCoord = geoCoordMap[dataItem[1].name];//目的地坐标获取
                    if (fromCoord && toCoord) {
                        res.push({
                            fromName: dataItem[0].name,//出发地名称
                            toName: dataItem[1].name,//目的地名称
                            numValue: dataItem[1].value,//数值
                            coords: [fromCoord, toCoord]
                        });
                    }
                }
                return res;
            };
            var max=0;
            var len=HFData.length;
            for(var i=0;i<len;i++){
                if(HFData[i][1].value>max){
                    max=HFData[i][1].value;
                }
            }
            var avg=0;
            avg=max/3;
            //var color = ['#FFDF31']; //圆圈和字的颜色,线的颜色,箭头颜色
            var color1 = ['#157be8','#FFE153','#D87A80']; //蓝  黄  红
            // 数据
            var series = [];
            // 遍历由北京到其他城市的线路
            [
                [ HFData,'北京']
            ].forEach(function(item, i) {
                // 配置
                series.push({
                    // 系列名称,用于tooltip的显示
                    name: item[1],
                    type: 'lines',
                    zlevel: 1, // 用于 Canvas 分层,不同zlevel值的图形会放置在不同的 Canvas 中
                    // effect出发到目的地 的白色尾巴线条
                    // 线特效的配置
                    effect: {
                        show: true,
                        period: 6, // 特效动画的时间,单位为 s
                        trailLength: 0.1, // 特效尾迹的长度。取从 0 到 1 的值,数值越大尾迹越长
                        color: '#46bee9', // 移动箭头拖尾颜色
                        symbol: planePath,
                        symbolSize: 6 // 特效标记的大小
                    },
                    // lineStyle出发到目的地 的线条颜色
                    lineStyle: {
                        normal: {
                            color: function(params){
                                var num = params.data.numValue;
                                if(num>0&&num<=avg){
                                    return color1[0];
                                }else if(num>avg&&num<=2*avg){
                                    return color1[1];
                                }else if(num>2*avg&&num<=3*avg){
                                    return color1[2];
                                }
                            },
                             function(params){
                                var num = params.data.numValue;
                                if(num>0&&num<=avg){
                                    return 1;
                                }else if(num>avg&&num<=2*avg){
                                    return 20;
                                }else if(num>2*avg&&num<=3*avg){
                                    return 40;
                                }
                            },
                            curveness: 0.2
                        }
                    },
                    data: convertData(item[0]) //开始到结束数据
                }, {
                    //出发地信息
                    name: '北京',
                    type: 'lines',
                    zlevel: 2,
                    effect: {
                        show: true,
                        period: 6,
                        trailLength: 0,
                        symbol: planePath,
                        symbolSize: 6
                    },
                    itemStyle: {
                        normal: {
                            borderWidth: 1,
                            lineStyle: {
                                type: 'solid',
                                shadowBlur: 10
                            }
                        }
                    },
                    lineStyle: {
                        normal: {
                            color: function(params){
                                var num = params.data.numValue;
                                if(num>0&&num<=avg){
                                    return color1[0];
                                }else if(num>avg&&num<=2*avg){
                                    return color1[1];
                                }else if(num>2*avg&&num<=3*avg){
                                    return color1[2];
                                }
                            },
                             1.5,
                            opacity: 0.9,
                            curveness: 0.2
                        }
                    },
                    data: convertData(item[0])
                }, {
                    // 目的地信息
                    name: item[0],
                    type: 'effectScatter',
                    coordinateSystem: 'geo',
                    zlevel: 2,
                    rippleEffect: {
                        brushType: 'stroke'
                    },
                    label: {
                        normal: {
                            show: true,
                            position: 'right',
                            formatter:'{b}' 
                        }
                    },
                    /*symbolSize: function(val) {
                        return val[2]/ 8;
                    },*/
                    itemStyle: {
                       normal: {
                            color: function(params){
                                var str = params.value;
                                var num = str[2];
                                if(params.name=='北京'){
                                    return '#F7F7F7';
                                } else{
                                    if(num>0&&num<=avg){
                                        return color1[0];
                                    }else if(num>avg&&num<=2*avg){
                                        return color1[1];
                                    }else if(num>2*avg&&num<=3*avg){
                                        return color1[2];
                                    }
                                }
                            }
                        }
                    },
                    data: item[0].map(function(dataItem) {
                            return {
                                name: dataItem[1].name,
                                value: geoCoordMap[dataItem[1].name].concat([dataItem[1].value])
                            };
                        })
                    }
                );
            })
            // 指定相关的配置项和数据
            var option = {
                tooltip: {
                    trigger: 'item',
                    formatter: function(params){
                        return params.name+":"+params.value[2]
                    }
                },
                geo: {
                    map: 'china',
                    roam: false, // 是否开启鼠标缩放和平移漫游。默认不开启。如果只想要开启缩放或者平移,可以设置成 'scale' 或者 'move'。设置成 true 为都开启
                    aspectScale: 0.75,
                    zoom: 1.20,
                    label: {
                        normal: {
                            show: false,
                            textStyle: {
                                color: '#00a0c9'
                            }
                        },
                        emphasis: { // 对应的鼠标悬浮效果
                            show: false,
                            textStyle: {
                                color: "#00a0c9"
                            }
                        }
                    },
                    itemStyle: {
                        normal: {
                            areaColor: '#0B1C30',
                            borderColor: '#0066ba'
                        },
                        emphasis: {
                            borderWidth: 0,
                            borderColor: '#0066ba',
                            areaColor: "#0494e1",
                            shadowColor: 'rgba(0, 0, 0, 0.5)'
                        }
                    }
                },
                series: series
            };
    
            // 使用制定的配置项和数据显示图表
            mapBoxEchart.setOption(option);
            // echart图表自适应
            window.addEventListener("resize", function() {
                mapBoxEchart.resize();
            });
        </script>
     
    </body>
     
    </html>

     

    流入地区代码:

    <!DOCTYPE html>
    <html>
     
    <head>
        <meta charset="utf-8">
        <title>echarts中国地图</title>
        <style>
            .centerItem {
                 856px;
                height: 640px;
                background-color: #003077;
                margin: 110px auto 0 auto;
            }
        </style>
    </head>
     
    <body>
        <!-- 中国地图展示 -->
        <div id="mapBox" class="centerItem"></div>
     
        <!-- 引入 ECharts 文件 -->
        <script src="echarts.js"></script>
        <script src="china.js"></script>
     
        <script>
            // 基于准备好的dom,初始化echarts实例
            var mapBoxEchart = echarts.init(document.getElementById('mapBox'));
            var geoCoordMap = {
                '上海': [121.4648,31.2891],
                '东莞': [113.8953,22.901],
                '东营': [118.7073,37.5513],
                '中山': [113.4229,22.478],
                '临汾': [111.4783,36.1615],
                '临沂': [118.3118,35.2936],
                '丹东': [124.541,40.4242],
                '丽水': [119.5642,28.1854],
                '乌鲁木齐': [87.9236,43.5883],
                '佛山': [112.8955,23.1097],
                '保定': [115.0488,39.0948],
                '兰州': [103.5901,36.3043],
                '包头': [110.3467,41.4899],
                '北京': [116.4551,40.2539],
                '北海': [109.314,21.6211],
                '南京': [118.8062,31.9208],
                '南宁': [108.479,23.1152],
                '南昌': [116.0046,28.6633],
                '南通': [121.1023,32.1625],
                '厦门': [118.1689,24.6478],
                '台州': [121.1353,28.6688],
                '合肥': [117.29,32.0581],
                '呼和浩特': [111.4124,40.4901],
                '咸阳': [108.4131,34.8706],
                '哈尔滨': [127.9688,45.368],
                '唐山': [118.4766,39.6826],
                '嘉兴': [120.9155,30.6354],
                '大同': [113.7854,39.8035],
                '大连': [122.2229,39.4409],
                '天津': [117.4219,39.4189],
                '太原': [112.3352,37.9413],
                '威海': [121.9482,37.1393],
                '宁波': [121.5967,29.6466],
                '宝鸡': [107.1826,34.3433],
                '宿迁': [118.5535,33.7775],
                '常州': [119.4543,31.5582],
                '广州': [113.5107,23.2196],
                '廊坊': [116.521,39.0509],
                '延安': [109.1052,36.4252],
                '张家口': [115.1477,40.8527],
                '徐州': [117.5208,34.3268],
                '德州': [116.6858,37.2107],
                '惠州': [114.6204,23.1647],
                '成都': [103.9526,30.7617],
                '扬州': [119.4653,32.8162],
                '承德': [117.5757,41.4075],
                '拉萨': [91.1865,30.1465],
                '无锡': [120.3442,31.5527],
                '日照': [119.2786,35.5023],
                '昆明': [102.9199,25.4663],
                '杭州': [119.5313,29.8773],
                '枣庄': [117.323,34.8926],
                '柳州': [109.3799,24.9774],
                '株洲': [113.5327,27.0319],
                '武汉': [114.3896,30.6628],
                '汕头': [117.1692,23.3405],
                '江门': [112.6318,22.1484],
                '沈阳': [123.1238,42.1216],
                '沧州': [116.8286,38.2104],
                '河源': [114.917,23.9722],
                '泉州': [118.3228,25.1147],
                '泰安': [117.0264,36.0516],
                '泰州': [120.0586,32.5525],
                '济南': [117.1582,36.8701],
                '济宁': [116.8286,35.3375],
                '海口': [110.3893,19.8516],
                '淄博': [118.0371,36.6064],
                '淮安': [118.927,33.4039],
                '深圳': [114.5435,22.5439],
                '清远': [112.9175,24.3292],
                '温州': [120.498,27.8119],
                '渭南': [109.7864,35.0299],
                '湖州': [119.8608,30.7782],
                '湘潭': [112.5439,27.7075],
                '滨州': [117.8174,37.4963],
                '潍坊': [119.0918,36.524],
                '烟台': [120.7397,37.5128],
                '玉溪': [101.9312,23.8898],
                '珠海': [113.7305,22.1155],
                '盐城': [120.2234,33.5577],
                '盘锦': [121.9482,41.0449],
                '石家庄': [114.4995,38.1006],
                '福州': [119.4543,25.9222],
                '秦皇岛': [119.2126,40.0232],
                '绍兴': [120.564,29.7565],
                '聊城': [115.9167,36.4032],
                '肇庆': [112.1265,23.5822],
                '舟山': [122.2559,30.2234],
                '苏州': [120.6519,31.3989],
                '莱芜': [117.6526,36.2714],
                '菏泽': [115.6201,35.2057],
                '营口': [122.4316,40.4297],
                '葫芦岛': [120.1575,40.578],
                '衡水': [115.8838,37.7161],
                '衢州': [118.6853,28.8666],
                '西宁': [101.4038,36.8207],
                '西安': [109.1162,34.2004],
                '贵阳': [106.6992,26.7682],
                '连云港': [119.1248,34.552],
                '邢台': [114.8071,37.2821],
                '邯郸': [114.4775,36.535],
                '郑州': [113.4668,34.6234],
                '鄂尔多斯': [108.9734,39.2487],
                '重庆': [107.7539,30.1904],
                '金华': [120.0037,29.1028],
                '铜川': [109.0393,35.1947],
                '银川': [106.3586,38.1775],
                '镇江': [119.4763,31.9702],
                '长春': [125.8154,44.2584],
                '长沙': [113.0823,28.2568],
                '长治': [112.8625,36.4746],
                '阳泉': [113.4778,38.0951],
                '青岛': [120.4651,36.3373],
                '韶关': [113.7964,24.7028]
            };
    
            var HFData = [ // 数据中name的城市名称必须与geoCoordMap中城市名称一致, 不然关联不上,北京到各地区的线路
                [{name:'上海'}, {name:'上海',value:95}], // 每条数据需要一条从自身地址到自身地址的,这样才能让箭头反向流入
                [{name:'上海'}, {name:'北京',value:95}],
                [{name:'广州'}, {name:'广州',value:90}],
                [{name:'广州'}, {name:'北京',value:90}],
                [{name:'大连'}, {name:'大连',value:80}],
                [{name:'大连'}, {name:'北京',value:80}],
                [{name:'南宁'}, {name:'南宁',value:70}],
                [{name:'南宁'}, {name:'北京',value:70}],
                [{name:'南昌'}, {name:'南昌',value:60}],
                [{name:'南昌'}, {name:'北京',value:60}],
                [{name:'拉萨'}, {name:'拉萨',value:50}],
                [{name:'拉萨'}, {name:'北京',value:50}],
                [{name:'长春'}, {name:'长春',value:40}],
                [{name:'长春'}, {name:'北京',value:40}],
                [{name:'包头'}, {name:'包头',value:30}],
                [{name:'包头'}, {name:'北京',value:30}],
                [{name:'重庆'}, {name:'重庆',value:20}],
                [{name:'重庆'}, {name:'北京',value:20}],
                [{name:'常州'}, {name:'常州',value:10}],
                [{name:'常州'}, {name:'北京',value:10}]
            ];
            var planePath = "arrow"; // 箭头的svg
            // push进去线路开始-结束地点-经纬度
            var convertData = function(data) {
                var res = [];
                for (var i = 0; i < data.length; i++) {
                    var dataItem = data[i];
                    var fromCoord = geoCoordMap[dataItem[0].name];//出发地坐标获取
                    var toCoord = geoCoordMap[dataItem[1].name];//目的地坐标获取
                    if (fromCoord && toCoord) {
                        res.push({
                            fromName: dataItem[0].name,//出发地名称
                            toName: dataItem[1].name,//目的地名称
                            numValue: dataItem[1].value,//数值
                            coords: [fromCoord, toCoord]
                        });
                    }
                }
                return res;
            };
            var max=0;
            var len=HFData.length;
            for(var i=0;i<len;i++){
                if(HFData[i][1].value>max){
                    max=HFData[i][1].value;
                }
            }
            var avg=0;
            avg=max/3;
            //var color = ['#FFDF31']; //圆圈和字的颜色,线的颜色,箭头颜色
            var color1 = ['#157be8','#FFE153','#D87A80']; //蓝  黄  红
            // 数据
            var series = [];
            // 遍历由北京到其他城市的线路
            [
                [ HFData, '北京']
            ].forEach(function(item, i) {
                // 配置
                series.push({
                    // 系列名称,用于tooltip的显示
                    name: item[1],
                    type: 'lines',
                    zlevel: 1, // 用于 Canvas 分层,不同zlevel值的图形会放置在不同的 Canvas 中
                    // effect出发到目的地 的白色尾巴线条
                    // 线特效的配置
                    effect: {
                        show: true,
                        period: 6, // 特效动画的时间,单位为 s
                        trailLength: 0.1, // 特效尾迹的长度。取从 0 到 1 的值,数值越大尾迹越长
                        color: '#46bee9', // 移动箭头拖尾颜色
                        symbol: planePath,
                        symbolSize: 6 // 特效标记的大小
                    },
                    // lineStyle出发到目的地 的线条颜色
                    lineStyle: {
                        normal: {
                            color: function(params){
                                var num = params.data.numValue;
                                if(num>0&&num<=avg){
                                    return color1[0];
                                }else if(num>avg&&num<=2*avg){
                                    return color1[1];
                                }else if(num>2*avg&&num<=3*avg){
                                    return color1[2];
                                }
                            },
                             1.5,
                            curveness: 0.2
                        }
                    },
                    data: convertData(item[0]) //开始到结束数据
                }, {
                    //出发地信息
                    name: item[1],
                    type: 'lines',
                    zlevel: 2,
                    effect: {
                        show: true,
                        period: 6,
                        trailLength: 0,
                        symbol: planePath,
                        symbolSize: 6
                    },
                    itemStyle: {
                        normal: {
                            borderWidth: 1,
                            lineStyle: {
                                type: 'solid',
                                shadowBlur: 10
                            }
                        }
                    },
                    lineStyle: {
                        normal: {
                            color: function(params){
                                var num = params.data.numValue;
                                if(num>0&&num<=avg){
                                    return color1[0];
                                }else if(num>avg&&num<=2*avg){
                                    return color1[1];
                                }else if(num>2*avg&&num<=3*avg){
                                    return color1[2];
                                }
                            },
                             1.5,
                            opacity: 0.9,
                            curveness: 0.2
                        }
                    },
                    data: convertData(item[0])
                }, {
                    // 目的地信息
                    name: item[0],
                    type: 'effectScatter',
                    coordinateSystem: 'geo',
                    zlevel: 2,
                    rippleEffect: {
                        brushType: 'stroke'
                    },
                    label: {
                        normal: {
                            show: true,
                            position: 'right',
                            formatter:'{b}' 
                        }
                    },
                    /*symbolSize: function(val) {
                        return val[2]/ 8;
                    },*/
                    itemStyle: {
                       normal: {
                            color: function(params){
                                var str = params.value;
                                var num = str[2];
                                if(params.name=='北京'){
                                    return '#F7F7F7';
                                } else{
                                    if(num>0&&num<=avg){
                                        return color1[0];
                                    }else if(num>avg&&num<=2*avg){
                                        return color1[1];
                                    }else if(num>2*avg&&num<=3*avg){
                                        return color1[2];
                                    }
                                }
                            }
                        }
                    },
                    data: item[0].map(function(dataItem) {
                            return {
                                name: dataItem[1].name,
                                value: geoCoordMap[dataItem[1].name].concat([dataItem[1].value])
                            };
                        })
                    }
                );
            })
            // 指定相关的配置项和数据
            var option = {
                tooltip: {
                    trigger: 'item',
                    formatter: function(params){
                        if(params.value){
                            return params.name+":"+params.value[2]
                        }else{
                            return params.name;
                        }
                    }
                },
                geo: {
                    map: 'china',
                    roam: false, // 是否开启鼠标缩放和平移漫游。默认不开启。如果只想要开启缩放或者平移,可以设置成 'scale' 或者 'move'。设置成 true 为都开启
                    aspectScale: 0.75,
                    zoom: 1.20,
                    label: {
                        normal: {
                            show: false,
                            textStyle: {
                                color: '#00a0c9'
                            }
                        },
                        emphasis: { // 对应的鼠标悬浮效果
                            show: false,
                            textStyle: {
                                color: "#00a0c9"
                            }
                        }
                    },
                    itemStyle: {
                        normal: {
                            areaColor: '#0B1C30',
                            borderColor: '#0066ba'
                        },
                        emphasis: {
                            borderWidth: 0,
                            borderColor: '#0066ba',
                            areaColor: "#0494e1",
                            shadowColor: 'rgba(0, 0, 0, 0.5)'
                        }
                    }
                },
                series: series
            };
    
            // 使用制定的配置项和数据显示图表
            mapBoxEchart.setOption(option);
            // echart图表自适应
            window.addEventListener("resize", function() {
                mapBoxEchart.resize();
            });
        </script>
     
    </body>
     
    </html>
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  • 原文地址:https://www.cnblogs.com/rachelch/p/15105225.html
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