Echart实现中国地图和地图打点
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Echart实现中国地图和地图打点
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一、概述
首先ECharts 是一個使用 JavaScript 實現的開源可視化庫。兼容當前絕大部分瀏覽器，而且提供大量可交互、可高度個性化定制的圖表，滿足開發者各種需求。
今天主要展示echarts地圖功能。echarts內置了世界地圖、中國及各個省市自治區地圖數據，可通過標準GeoJson擴展地圖類型。
二、Echart實現中國地圖
先看實現效果
實現步驟
1、首先要提供一個容器，并給定大小
<div class="wrapper"><div class="map-container" id="main"></div></div> .map-container{width: 500px;height: 500px;}2、引入echart.js和china.js(中國地圖的js數據)
echart.js可以在echarts官網中下載到，china.js官方已經不提供了，需要自己去找。
這些js文件我發布在了csdn資源上傳目錄，下載需要5積分，找資源不易，需要的可以自行去取！
3、實例化echarts對象
// 基于準備好的dom，初始化echarts實例var myChart = echarts.init(document.getElementById('main'));4、參數設置，因為項目需求需要添加陰影和單獨設置地圖邊框，所以實際上是2張地圖重疊，下面那張地圖做陰影和邊框處理。
// 指定圖表的配置項和數據var option = {tooltip: {show: false},geo: {map: "china",roam: false,// 一定要關閉拖拽zoom: 1.23,center: [105, 36], // 調整地圖位置label: {normal: {show: false, //關閉省份名展示fontSize: "10",color: "rgba(0,0,0,0.7)"},emphasis: {show: false}},itemStyle: {normal: {areaColor: "#0d0059",borderColor: "#389dff",borderWidth: 1, //設置外層邊框shadowBlur: 5,shadowOffsetY: 8,shadowOffsetX: 0,shadowColor: "#01012a"},emphasis: {areaColor: "#184cff",shadowOffsetX: 0,shadowOffsetY: 0,shadowBlur: 5,borderWidth: 0,shadowColor: "rgba(0, 0, 0, 0.5)"}}},series: [{type: "map",map: "china",roam: false,zoom: 1.23,center: [105, 36],// geoIndex: 1,// aspectScale: 0.75, //長寬比showLegendSymbol: false, // 存在legend時顯示label: {normal: {show: false},emphasis: {show: false,textStyle: {color: "#fff"}}},itemStyle: {normal: {areaColor: "#0d0059",borderColor: "#389dff",borderWidth: 0.5},emphasis: {areaColor: "#17008d",shadowOffsetX: 0,shadowOffsetY: 0,shadowBlur: 5,borderWidth: 0,shadowColor: "rgba(0, 0, 0, 0.5)"}}}]};// 使用剛指定的配置項和數據顯示圖表。myChart.setOption(option);5、添加散點數據，這里注意要把上面設置過的地圖帶上，之前設置的series的數據會被覆蓋掉。
var dataValue = dealWithData();var data1 = dataValue.splice(0, 6);var option = {series: [{type: "map",map: "china",roam: false,zoom: 1.23,center: [105, 36],// geoIndex: 1,// aspectScale: 0.75, //長寬比showLegendSymbol: false, // 存在legend時顯示label: {normal: {show: false},emphasis: {show: false}},itemStyle: {normal: {areaColor: "#0d0059",borderColor: "#389dff",borderWidth: 0.5},emphasis: {areaColor: "#17008d",shadowOffsetX: 0,shadowOffsetY: 0,shadowBlur: 5,borderWidth: 0,shadowColor: "rgba(0, 0, 0, 0.5)"}}},{name: "",type: "scatter",coordinateSystem: "geo",data: dataValue,// symbolSize: function(val) {// return val[2] / 10;// },symbol: "circle",symbolSize: 8,hoverSymbolSize: 10,tooltip: {formatter(value) {return value.data.name + "<br/>" + "物流量：" + "22";},show: true},encode: {value: 2},label: {formatter: "{b}",position: "right",show: false},itemStyle: {color: "#0efacc"},emphasis: {label: {show: false}}},{name: "Top 5",type: "effectScatter",coordinateSystem: "geo",data: data1,symbolSize: 15,tooltip: {show: false},encode: {value: 2},showEffectOn: "render",rippleEffect: {brushType: "stroke",color: "#0efacc",period: 9,scale: 5},hoverAnimation: true,label: {formatter: "{b}",position: "right",show: true},itemStyle: {color: "#0efacc",shadowBlur: 2,shadowColor: "#333"},zlevel: 1}]};myChart.setOption(option);6、測試數據的方法，需要的可以復制使用
function dealWithData(){var geoCoordMap = {海門: [121.15, 31.89],鄂爾多斯: [109.781327, 39.608266],招遠: [120.38, 37.35],舟山: [122.207216, 29.985295],齊齊哈爾: [123.97, 47.33],鹽城: [120.13, 33.38],赤峰: [118.87, 42.28],青島: [120.33, 36.07],乳山: [121.52, 36.89],金昌: [102.188043, 38.520089],泉州: [118.58, 24.93],萊西: [120.53, 36.86],日照: [119.46, 35.42],膠南: [119.97, 35.88],南通: [121.05, 32.08],拉薩: [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],廈門: [118.1, 24.46],汕尾: [115.375279, 22.786211],潮州: [116.63, 23.68],丹東: [124.37, 40.13],太倉: [121.1, 31.45],曲靖: [103.79, 25.51],煙臺: [121.39, 37.52],福州: [119.3, 26.08],瓦房店: [121.979603, 39.627114],即墨: [120.45, 36.38],撫順: [123.97, 41.97],玉溪: [102.52, 24.35],張家口: [114.87, 40.82],陽泉: [113.57, 37.85],萊州: [119.942327, 37.177017],湖州: [120.1, 30.86],汕頭: [116.69, 23.39],昆山: [120.95, 31.39],寧波: [121.56, 29.86],湛江: [110.359377, 21.270708],揭陽: [116.35, 23.55],榮成: [122.41, 37.16],連云港: [119.16, 34.59],葫蘆島: [120.836932, 40.711052],常熟: [120.74, 31.64],東莞: [113.75, 23.04],河源: [114.68, 23.73],淮安: [119.15, 33.5],泰州: [119.9, 32.49],南寧: [108.33, 22.84],營口: [122.18, 40.65],惠州: [114.4, 23.09],江陰: [120.26, 31.91],蓬萊: [120.75, 37.8],韶關: [113.62, 24.84],嘉峪關: [98.289152, 39.77313],廣州: [113.23, 23.16],延安: [109.47, 36.6],太原: [112.53, 37.87],清遠: [113.01, 23.7],中山: [113.38, 22.52],昆明: [102.73, 25.04],壽光: [118.73, 36.86],盤錦: [122.070714, 41.119997],長治: [113.08, 36.18],深圳: [114.07, 22.62],珠海: [113.52, 22.3],宿遷: [118.3, 33.96],咸陽: [108.72, 34.36],銅川: [109.11, 35.09],平度: [119.97, 36.77],佛山: [113.11, 23.05],海口: [110.35, 20.02],江門: [113.06, 22.61],章丘: [117.53, 36.72],肇慶: [112.44, 23.05],大連: [121.62, 38.92],臨汾: [111.5, 36.08],吳江: [120.63, 31.16],石嘴山: [106.39, 39.04],沈陽: [123.38, 41.8],蘇州: [120.62, 31.32],茂名: [110.88, 21.68],嘉興: [120.76, 30.77],長春: [125.35, 43.88],膠州: [120.03336, 36.264622],銀川: [106.27, 38.47],張家港: [120.555821, 31.875428],三門峽: [111.19, 34.76],錦州: [121.15, 41.13],南昌: [115.89, 28.68],柳州: [109.4, 24.33],三亞: [109.511909, 18.252847],自貢: [104.778442, 29.33903],吉林: [126.57, 43.87],陽江: [111.95, 21.85],瀘州: [105.39, 28.91],西寧: [101.74, 36.56],宜賓: [104.56, 29.77],呼和浩特: [111.65, 40.82],成都: [104.06, 30.67],大同: [113.3, 40.12],鎮江: [119.44, 32.2],桂林: [110.28, 25.29],張家界: [110.479191, 29.117096],宜興: [119.82, 31.36],北海: [109.12, 21.49],西安: [108.95, 34.27],金壇: [119.56, 31.74],東營: [118.49, 37.46],牡丹江: [129.58, 44.6],遵義: [106.9, 27.7],紹興: [120.58, 30.01],揚州: [119.42, 32.39],常州: [119.95, 31.79],濰坊: [119.1, 36.62],重慶: [106.54, 29.59],臺州: [121.420757, 28.656386],南京: [118.78, 32.04],濱州: [118.03, 37.36],貴陽: [106.71, 26.57],無錫: [120.29, 31.59],本溪: [123.73, 41.3],克拉瑪依: [84.77, 45.59],渭南: [109.5, 34.52],馬鞍山: [118.48, 31.56],寶雞: [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],包頭: [110, 40.58],綿陽: [104.73, 31.48],烏魯木齊: [87.68, 43.77],棗莊: [117.57, 34.86],杭州: [120.19, 30.26],淄博: [118.05, 36.78],鞍山: [122.85, 41.12],溧陽: [119.48, 31.43],庫爾勒: [86.06, 41.68],安陽: [114.35, 36.1],開封: [114.35, 34.79],濟南: [117, 36.65],德陽: [104.37, 31.13],溫州: [120.65, 28.01],九江: [115.97, 29.71],邯鄲: [114.47, 36.6],臨安: [119.72, 30.23],蘭州: [103.73, 36.03],滄州: [116.83, 38.33],臨沂: [118.35, 35.05],南充: [106.110698, 30.837793],天津: [117.2, 39.13],富陽: [119.95, 30.07],泰安: [117.13, 36.18],諸暨: [120.23, 29.71],鄭州: [113.65, 34.76],哈爾濱: [126.63, 45.75],聊城: [115.97, 36.45],蕪湖: [118.38, 31.33],唐山: [118.02, 39.63],平頂山: [113.29, 33.75],邢臺: [114.48, 37.05],德州: [116.29, 37.45],濟寧: [116.59, 35.38],荊州: [112.239741, 30.335165],宜昌: [111.3, 30.7],義烏: [120.06, 29.32],麗水: [119.92, 28.45],洛陽: [112.44, 34.7],秦皇島: [119.57, 39.95],株洲: [113.16, 27.83],石家莊: [114.48, 38.03],萊蕪: [117.67, 36.19],常德: [111.69, 29.05],保定: [115.48, 38.85],湘潭: [112.91, 27.87],金華: [119.64, 29.12],岳陽: [113.09, 29.37],長沙: [113, 28.21],衢州: [118.88, 28.97],廊坊: [116.7, 39.53],菏澤: [115.480656, 35.23375],合肥: [117.27, 31.86],武漢: [114.31, 30.52],大慶: [125.03, 46.58]};var data = [];for (var key in geoCoordMap) {data.push({ name: key, value: geoCoordMap[key] });}return data;}配置完這些，圖表就能展示了！
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