效果：
2、在代码中引入china.js文件
import '../common/china'
3、所需数据
const geoCoordMap = { "海门": [121.15, 31.89], "鄂尔多斯": [109.781327, 39.608266], "招远": [120.38, 37.35], "舟山": [122.207216, 29.985295], "齐齐哈尔": [123.97, 47.33], "盐城": [120.13, 33.38], "赤峰": [118.87, 42.28], "青岛": [120.33, 36.07], "乳山": [121.52, 36.89], "金昌": [102.188043, 38.520089], "泉州": [118.58, 24.93], "莱西": [120.53, 36.86], "日照": [119.46, 35.42], "胶南": [119.97, 35.88], "南通": [121.05, 32.08], "拉萨": [91.11, 29.97], "云浮": [112.02, 22.93], "梅州": [116.1, 24.55], "文登": [122.05, 37.2], "上海": [121.48, 31.22], "攀枝花": [101.718637, 26.582347], "威海": [122.1, 37.5], "承德": [117.93, 40.97], "厦门": [118.1, 24.46], "汕尾": [115.375279, 22.786211], "潮州": [116.63, 23.68], "丹东": [124.37, 40.13], "太仓": [121.1, 31.45], "曲靖": [103.79, 25.51], "烟台": [121.39, 37.52], "福州": [119.3, 26.08], "瓦房店": [121.979603, 39.627114], "即墨": [120.45, 36.38], "抚顺": [123.97, 41.97], "玉溪": [102.52, 24.35], "张家口": [114.87, 40.82], "阳泉": [113.57, 37.85], "莱州": [119.942327, 37.177017], "湖州": [120.1, 30.86], "汕头": [116.69, 23.39], "昆山": [120.95, 31.39], "宁波": [121.56, 29.86], "湛江": [110.359377, 21.270708], "揭阳": [116.35, 23.55], "荣成": [122.41, 37.16], "连云港": [119.16, 34.59], "葫芦岛": [120.836932, 40.711052], "常熟": [120.74, 31.64], "东莞": [113.75, 23.04], "河源": [114.68, 23.73], "淮安": [119.15, 33.5], "泰州": [119.9, 32.49], "南宁": [108.33, 22.84], "营口": [122.18, 40.65], "惠州": [114.4, 23.09], "江阴": [120.26, 31.91], "蓬莱": [120.75, 37.8], "韶关": [113.62, 24.84], "嘉峪关": [98.289152, 39.77313], "广州": [113.23, 23.16], "延安": [109.47, 36.6], "太原": [112.53, 37.87], "清远": [113.01, 23.7], "中山": [113.38, 22.52], "昆明": [102.73, 25.04], "寿光": [118.73, 36.86], "盘锦": [122.070714, 41.119997], "长治": [113.08, 36.18], "深圳": [114.07, 22.62], "珠海": [113.52, 22.3], "宿迁": [118.3, 33.96], "咸阳": [108.72, 34.36], "铜川": [109.11, 35.09], "平度": [119.97, 36.77], "佛山": [113.11, 23.05], "海口": [110.35, 20.02], "江门": [113.06, 22.61], "章丘": [117.53, 36.72], "肇庆": [112.44, 23.05], "大连": [121.62, 38.92], "临汾": [111.5, 36.08], "吴江": [120.63, 31.16], "石嘴山": [106.39, 39.04], "沈阳": [123.38, 41.8], "苏州": [120.62, 31.32], "茂名": [110.88, 21.68], "嘉兴": [120.76, 30.77], "长春": [125.35, 43.88], "胶州": [120.03336, 36.264622], "银川": [106.27, 38.47], "张家港": [120.555821, 31.875428], "三门峡": [111.19, 34.76], "锦州": [121.15, 41.13], "南昌": [115.89, 28.68], "柳州": [109.4, 24.33], "三亚": [109.511909, 18.252847], "自贡": [104.778442, 29.33903], "吉林": [126.57, 43.87], "阳江": [111.95, 21.85], "泸州": [105.39, 28.91], "西宁": [101.74, 36.56], "宜宾": [104.56, 29.77], "呼和浩特": [111.65, 40.82], "成都": [104.06, 30.67], "大同": [113.3, 40.12], "镇江": [119.44, 32.2], "桂林": [110.28, 25.29], "张家界": [110.479191, 29.117096], "宜兴": [119.82, 31.36], "北海": [109.12, 21.49], "西安": [108.95, 34.27], "金坛": [119.56, 31.74], "东营": [118.49, 37.46], "牡丹江": [129.58, 44.6], "遵义": [106.9, 27.7], "绍兴": [120.58, 30.01], "扬州": [119.42, 32.39], "常州": [119.95, 31.79], "潍坊": [119.1, 36.62], "重庆": [106.54, 29.59], "台州": [121.420757, 28.656386], "南京": [118.78, 32.04], "滨州": [118.03, 37.36], "贵阳": [106.71, 26.57], "无锡": [120.29, 31.59], "本溪": [123.73, 41.3], "克拉玛依": [84.77, 45.59], "渭南": [109.5, 34.52], "马鞍山": [118.48, 31.56], "宝鸡": [107.15, 34.38], "焦作": [113.21, 35.24], "句容": [119.16, 31.95], "北京": [116.46, 39.92], "徐州": [117.2, 34.26], "衡水": [115.72, 37.72], "包头": [110, 40.58], "绵阳": [104.73, 31.48], "乌鲁木齐": [87.68, 43.77], "枣庄": [117.57, 34.86], "杭州": [120.19, 30.26], "淄博": [118.05, 36.78], "鞍山": [122.85, 41.12], "溧阳": [119.48, 31.43], "库尔勒": [86.06, 41.68], "安阳": [114.35, 36.1], "开封": [114.35, 34.79], "济南": [117, 36.65], "德阳": [104.37, 31.13], "温州": [120.65, 28.01], "九江": [115.97, 29.71], "邯郸": [114.47, 36.6], "临安": [119.72, 30.23], "兰州": [103.73, 36.03], "沧州": [116.83, 38.33], "临沂": [118.35, 35.05], "南充": [106.110698, 30.837793], "天津": [117.2, 39.13], "富阳": [119.95, 30.07], "泰安": [117.13, 36.18], "诸暨": [120.23, 29.71], "郑州": [113.65, 34.76], "哈尔滨": [126.63, 45.75], "聊城": [115.97, 36.45], "芜湖": [118.38, 31.33], "唐山": [118.02, 39.63], "平顶山": [113.29, 33.75], "邢台": [114.48, 37.05], "德州": [116.29, 37.45], "济宁": [116.59, 35.38], "荆州": [112.239741, 30.335165], "宜昌": [111.3, 30.7], "义乌": [120.06, 29.32], "丽水": [119.92, 28.45], "洛阳": [112.44, 34.7], "秦皇岛": [119.57, 39.95], "株洲": [113.16, 27.83], "石家庄": [114.48, 38.03], "莱芜": [117.67, 36.19], "常德": [111.69, 29.05], "保定": [115.48, 38.85], "湘潭": [112.91, 27.87], "金华": [119.64, 29.12], "岳阳": [113.09, 29.37], "长沙": [113, 28.21], "衢州": [118.88, 28.97], "廊坊": [116.7, 39.53], "菏泽": [115.480656, 35.23375], "合肥": [117.27, 31.86], "武汉": [114.31, 30.52], "大庆": [125.03, 46.58]};
const data1 = [ {name: "海门", value: 9}, {name: "鄂尔多斯", value: 12}, {name: "招远", value: 12}, {name: "舟山", value: 12}, {name: "齐齐哈尔", value: 14}, {name: "盐城", value: 15}, {name: "赤峰", value: 16}, {name: "青岛", value: 18}, {name: "乳山", value: 18}, {name: "金昌", value: 19}, {name: "泉州", value: 21}, {name: "莱西", value: 21}, {name: "日照", value: 21}, {name: "胶南", value: 22}, {name: "南通", value: 23}, {name: "拉萨", value: 24}, {name: "云浮", value: 24}, {name: "梅州", value: 25}, {name: "文登", value: 25}, {name: "上海", value: 25}, {name: "攀枝花", value: 25}, {name: "威海", value: 25}, {name: "承德", value: 25}, {name: "厦门", value: 26}, {name: "汕尾", value: 26}, {name: "潮州", value: 26}, {name: "丹东", value: 27}, {name: "太仓", value: 27}, {name: "曲靖", value: 27}, {name: "烟台", value: 28}, {name: "福州", value: 29}, {name: "瓦房店", value: 30}, {name: "即墨", value: 30}, {name: "抚顺", value: 31}, {name: "玉溪", value: 31}, {name: "张家口", value: 31}, {name: "阳泉", value: 31}, {name: "莱州", value: 32}, {name: "湖州", value: 32}, {name: "汕头", value: 32}, {name: "昆山", value: 33}, {name: "宁波", value: 33}, {name: "湛江", value: 33}, {name: "揭阳", value: 34}, {name: "荣成", value: 34}, {name: "连云港", value: 35}, {name: "葫芦岛", value: 35}, {name: "常熟", value: 36}, {name: "东莞", value: 36}, {name: "河源", value: 36}, {name: "淮安", value: 36}, {name: "泰州", value: 36}, {name: "南宁", value: 37}, {name: "营口", value: 37}, {name: "惠州", value: 37}, {name: "江阴", value: 37}, {name: "蓬莱", value: 37}, {name: "韶关", value: 38}, {name: "嘉峪关", value: 38}, {name: "广州", value: 38}, {name: "延安", value: 38}, {name: "太原", value: 39}, {name: "清远", value: 39}, {name: "中山", value: 39}, {name: "昆明", value: 39}, {name: "寿光", value: 40}, {name: "盘锦", value: 40}, {name: "长治", value: 41}, {name: "深圳", value: 41}, {name: "珠海", value: 42}, {name: "宿迁", value: 43}, {name: "咸阳", value: 43}, {name: "铜川", value: 44}, {name: "平度", value: 44}, {name: "佛山", value: 44}, {name: "海口", value: 44}, {name: "江门", value: 45}, {name: "章丘", value: 45}, {name: "肇庆", value: 46}, {name: "大连", value: 47}, {name: "临汾", value: 47}, {name: "吴江", value: 47}, {name: "石嘴山", value: 49}, {name: "沈阳", value: 50}, {name: "苏州", value: 50}, {name: "茂名", value: 50}, {name: "嘉兴", value: 51}, {name: "长春", value: 51}, {name: "胶州", value: 52}, {name: "银川", value: 52}, {name: "张家港", value: 52}, {name: "三门峡", value: 53}, {name: "锦州", value: 54}, {name: "南昌", value: 54}, {name: "柳州", value: 54}, {name: "三亚", value: 54}, {name: "自贡", value: 56}, {name: "吉林", value: 56}, {name: "阳江", value: 57}, {name: "泸州", value: 57}, {name: "西宁", value: 57}, {name: "宜宾", value: 58}, {name: "呼和浩特", value: 58}, {name: "成都", value: 58}, {name: "大同", value: 58}, {name: "镇江", value: 59}, {name: "桂林", value: 59}, {name: "张家界", value: 59}, {name: "宜兴", value: 59}, {name: "北海", value: 60}, {name: "西安", value: 61}, {name: "金坛", value: 62}, {name: "东营", value: 62}, {name: "牡丹江", value: 63}, {name: "遵义", value: 63}, {name: "绍兴", value: 63}, {name: "扬州", value: 64}, {name: "常州", value: 64}, {name: "潍坊", value: 65}, {name: "重庆", value: 66}, {name: "台州", value: 67}, {name: "南京", value: 67}, {name: "滨州", value: 70}, {name: "贵阳", value: 71}, {name: "无锡", value: 71}, {name: "本溪", value: 71}, {name: "克拉玛依", value: 72}, {name: "渭南", value: 72}, {name: "马鞍山", value: 72}, {name: "宝鸡", value: 72}, {name: "焦作", value: 75}, {name: "句容", value: 75}, {name: "北京", value: 79}, {name: "徐州", value: 79}, {name: "衡水", value: 80}, {name: "包头", value: 80}, {name: "绵阳", value: 80}, {name: "乌鲁木齐", value: 84}, {name: "枣庄", value: 84}, {name: "杭州", value: 84}, {name: "淄博", value: 85}, {name: "鞍山", value: 86}, {name: "溧阳", value: 86}, {name: "库尔勒", value: 86}, {name: "安阳", value: 90}, {name: "开封", value: 90}, {name: "济南", value: 92}, {name: "德阳", value: 93}, {name: "温州", value: 95}, {name: "九江", value: 96}, {name: "邯郸", value: 98}, {name: "临安", value: 99}, {name: "兰州", value: 99}, {name: "沧州", value: 100}, {name: "临沂", value: 103}, {name: "南充", value: 104}, {name: "天津", value: 105}, {name: "富阳", value: 106}, {name: "泰安", value: 112}, {name: "诸暨", value: 112}, {name: "郑州", value: 113}, {name: "哈尔滨", value: 114}, {name: "聊城", value: 116}, {name: "芜湖", value: 117}, {name: "唐山", value: 119}, {name: "平顶山", value: 119}, {name: "邢台", value: 119}, {name: "德州", value: 120}, {name: "济宁", value: 120}, {name: "荆州", value: 127}, {name: "宜昌", value: 130}, {name: "义乌", value: 132}, {name: "丽水", value: 133}, {name: "洛阳", value: 134}, {name: "秦皇岛", value: 136}, {name: "株洲", value: 143}, {name: "石家庄", value: 147}, {name: "莱芜", value: 148}, {name: "常德", value: 152}, {name: "保定", value: 153}, {name: "湘潭", value: 154}, {name: "金华", value: 157}, {name: "岳阳", value: 169}, {name: "长沙", value: 175}, {name: "衢州", value: 177}, {name: "廊坊", value: 193}, {name: "菏泽", value: 194}, {name: "合肥", value: 229}, {name: "武汉", value: 273}, {name: "大庆", value: 279}];
4、实现效果代码
const chart = echarts.init(document.getElementById('chart-box'));
const convertData = (data) => { let res = []; for (let d of data) { let geoCoord = geoCoordMap[d.name]; if (!geoCoord) return; res.push([...geoCoord, d.value]) } return res;};let option = { backgroundColor: '#404a59', title: { text: '全国主要城市空气质量', subtext: 'data from PM25.in', sublink: 'http://www.pm25.in', left: 'center', textStyle: { color: '#fff', } }, tooltip: { trigger: 'item' }, legend: { orient: 'vertical', top: 'bottom', left: 'right', data: ['pm2.5'], textStyle: { color: '#fff' } }, visualMap: { min: 0, max: 300, splitNumber: 5, textStyle: { color: '#fff' }, inRange: { color: ['#50a3ba', '#eac736', '#d94e5d'], } }, geo: { map: 'china', itemStyle: { areaColor: '#323c48', borderColor: '#111' }, emphasis: { label: { show: false }, itemStyle: { areaColor: '#2a333d' } } }, series: [{ name: 'pm2.5', type: 'scatter', coordinateSystem: 'geo', data: convertData(data1), symbolSize: 12, label: { show: false }, emphasis: { label: { show: false }, itemStyle: { borderColor: '#fff', borderWidth: 1 } } }]}
chart.setOption(option)let tempData = option.series[0].data;setInterval(() => { tempData = tempData.length == 0 ? convertData(data1) : []; chart.setOption({ series: { name: 'pm2.5', data: tempData } })}, 1000)
