因为项目中有涉及到关于地图相关的内容，整理一下，方便以后查看
新乡作为发射点，小圆点的大小根据数据的值而变化。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<!-- 1.引入 ECharts 文件 -->
<script src="./echarts/echarts.min.js"></script>
<!-- 中国地图 -->
<script src="./echarts/china.js"></script>
</head>
<body>
<div id="main" style="width: 600px;height:400px;"></div>
<script>
let myChart = echarts.init(document.getElementById('main'));
function ren() {
//(1).实例化ajax对象
let xhr = new XMLHttpRequest()
//(2).设置请求方法和地址
//get请求的数据直接添加在url的后面 格式是 url?key=value
xhr.open('get', 'http://www.itcbc.com:8000/student/list')
xhr.setRequestHeader('Authorization',
'Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6MjU3LCJpYXQiOjE2NTI4ODAwNDYsImV4cCI6MTY1MjkxNjA0Nn0.854jZV66f1ly0ok8JdHlcJaUHmHp1jiLnSjMYW6h37c'
)
//(3).发送请求
xhr.send()
//(4).注册回调函数
xhr.onload = function () {
let rel = JSON.parse(xhr.responseText)
console.log(rel.data);
let data = rel.data
// 每一个地方的经纬度
let geoCoordMap = {
'新乡': [116.402217, 35.311657],
}
// 主要设置从新乡到具体的地方
// value的值越大，地图上面具体位置的小圆点也就越大 下面一样
let BJData = [
[{
name: '新乡'
}, {
name: '新乡',
value: 100
}]
]
data.forEach((item) => {
// 查找是否地图上面已经有该位置显示
let index = BJData.findIndex(value => (value[1].name == item.county))
geoCoordMap[item.county] = [item.jing, item.wei]
// 地图上没有该位置显示，需要动态新增
if (index == -1) {
BJData.push([{
name: '新乡'
}, {
name: item.county,
value: 50
}])
} else {
// 地图上已经有该位置了
BJData[index][1].value++
}
})
// 在数据被服务器成功反馈后进行渲染地图
fun(geoCoordMap, BJData)
}
}
ren()
// 如果不是需要图形发生变化，下面的内容不需要改变
function fun(geoCoordMap, BJData) {
let planePath =
'path://M.6,1318.313v-89.254l-319.9-221.799l0.073-208.063c0.521-84.662-26.629-121.796-63.961-121.491c-37.332-0.305-64.482,36.829-63.961,121.491l0.073,208.063l-319.9,221.799v89.254l330.343-157.288l12.238,241.308l-134.449,92.931l0.531,42.034l175.125-42.917l175.125,42.917l0.531-42.034l-134.449-92.931l12.238-241.308L1705';
let convertData = function (data) {
let res = [];
for (let i = 0; i < data.length; i++) {
let dataItem = data[i];
let fromCoord = geoCoordMap[dataItem[0].name];
let toCoord = geoCoordMap[dataItem[1].name];
if (fromCoord && toCoord) {
res.push([{
coord: fromCoord
}, {
coord: toCoord
}]);
}
}
return res;
};
let color = ['#3ed4ff', '#ffa022', '#a6c84c'];
let series = [];
[
['新乡', BJData],
/* ['九江', SHData],
['新疆', GZData] */
].forEach(function (item, i) {
series.push({
name: item[0] + ' Top10',
type: 'lines',
zlevel: 1,
effect: {
show: true,
period: 6,
trailLength: 0.7,
color: '#fff',
symbolSize: 3
},
lineStyle: {
normal: {
color: color[i],
width: 0,
curveness: 0.2
}
},
data: convertData(item[1])
}, {
name: item[0] + ' Top10',
type: 'lines',
zlevel: 2,
effect: {
show: true,
period: 6,
trailLength: 0,
symbol: planePath,
symbolSize: 15
},
lineStyle: {
normal: {
color: color[i],
width: 1,
opacity: 0.4,
curveness: 0.2
}
},
data: convertData(item[1])
}, {
name: item[0] + ' Top10',
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: color[i]
}
},
data: item[1].map(function (dataItem) {
return {
name: dataItem[1].name,
value: geoCoordMap[dataItem[1].name].concat([dataItem[1].value])
};
})
});
});
option = option = {
title: {
text: '新乡 From',
textStyle: {
color: '#6d767e'
}
},
geo: {
map: 'china',
zoom: 1.2,
label: {
emphasis: {
show: false
}
},
roam: true, //是否允许缩放
itemStyle: {
normal: {
// color: 'rgba(51, 69, 89, .5)', //地图背景色
// color: '#5a6fc0', //地图背景色
// borderColor: '#516a89', //省市边界线00fcff 516a89
borderWidth: 1
},
emphasis: {
color: 'rgba(37, 43, 61, .5)' //悬浮背景
}
}
},
series: series
}
// 3.3使用刚指定的配置项和数据显示图表。
myChart.setOption(option);
}
</script>
</body>
</html>
源代码 可根据该代码进行修改，没用ajax,静态数据
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<!-- 1.引入 ECharts 文件 -->
<script src="./echarts/echarts.min.js"></script>
<!-- 中国地图 -->
<script src="./echarts/china.js"></script>
</head>
<body>
<!-- 2.为ECharts准备一个具备大小（宽高）的Dom -->
<div id="main" style="width: 600px;height:400px;"></div>
<script type="text/javascript">
// 3.1 基于准备好的dom，初始化echarts实例
let myChart = echarts.init(document.getElementById('main'));
// 3.2 指定图表的配置项和数据
let geoCoordMap = {
'新疆玛纳斯基地': [86.22, 44.30],
'九江': [116.00, 29.70],
'新乡': [116.402217, 35.311657],
' ': [79.92, 37.12],
' ': [86.85, 47.70],
'若羌县': [88.17, 39.02],
'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]
};
let BJData = [ [{ name: '新乡' }, { name: '新乡', value: 200 }],
[{ name: '新乡' }, { name: '呼和浩特', value: 90 }],
[{ name: '新乡' }, { name: '哈尔滨', value: 90 }],
[{ name: '新乡' }, { name: '石家庄', value: 90 }],
[{ name: '新乡' }, { name: '昆明', value: 30 }],
[{ name: '新乡' }, { name: '北京', value: 100 }],
[{ name: '新乡' }, { name: '长春', value: 40 }],
[{ name: '新乡' }, { name: '重庆', value: 40 }],
[{ name: '新乡' }, { name: '贵阳', value: 50 }],
[{ name: '新乡' }, { name: '南宁', value: 30 }],
[{ name: '新乡' }, { name: '济南', value: 10 }],
[{ name: '新乡' }, { name: '太原', value: 40 }],
[{ name: '新乡' }, { name: '西安', value: 60 }],
[{ name: '新乡' }, { name: '武汉', value: 50 }],
[{ name: '新乡' }, { name: '合肥', value: 40 }],
[{ name: '新乡' }, { name: '南京', value: 30 }],
[{ name: '新乡' }, { name: '沈阳', value: 20 }],
[{ name: '新乡' }, { name: '成都', value: 10 }]
];
let SHData = [ [{ name: '九江' }, { name: '九江', value: 200 }],
[{ name: '九江' }, { name: '长沙', value: 95 }],
[{ name: '九江' }, { name: '武汉', value: 30 }],
[{ name: '九江' }, { name: '南昌', value: 20 }],
[{ name: '九江' }, { name: '合肥', value: 70 }],
[{ name: '九江' }, { name: '南京', value: 60 }],
[{ name: '九江' }, { name: '福州', value: 50 }],
[{ name: '九江' }, { name: '上海', value: 100 }],
[{ name: '九江' }, { name: '深圳', value: 100 }],
];
let GZData = [ [{ name: '新疆玛纳斯基地' }, { name: '新疆玛纳斯基地', value: 200 }],
[{ name: '新疆玛纳斯基地' }, { name: ' ', value: 90 }],
[{ name: '新疆玛纳斯基地' }, { name: ' ', value: 40 }],
[{ name: '新疆玛纳斯基地' }, { name: '呼和浩特', value: 90 }],
[{ name: '新疆玛纳斯基地' }, { name: '昆明', value: 40 }],
[{ name: '新疆玛纳斯基地' }, { name: '成都', value: 10 }],
[{ name: '新疆玛纳斯基地' }, { name: '兰州', value: 95 }],
[{ name: '新疆玛纳斯基地' }, { name: '银川', value: 90 }],
[{ name: '新疆玛纳斯基地' }, { name: '西宁', value: 80 }],
];
let planePath = 'path://M.6,1318.313v-89.254l-319.9-221.799l0.073-208.063c0.521-84.662-26.629-121.796-63.961-121.491c-37.332-0.305-64.482,36.829-63.961,121.491l0.073,208.063l-319.9,221.799v89.254l330.343-157.288l12.238,241.308l-134.449,92.931l0.531,42.034l175.125-42.917l175.125,42.917l0.531-42.034l-134.449-92.931l12.238-241.308L1705';
let convertData = function (data) {
let res = [];
for (let i = 0; i < data.length; i++) {
let dataItem = data[i];
let fromCoord = geoCoordMap[dataItem[0].name];
let toCoord = geoCoordMap[dataItem[1].name];
if (fromCoord && toCoord) {
res.push([{
coord: fromCoord
}, {
coord: toCoord
}]);
}
}
return res;
};
let color = ['#3ed4ff', '#ffa022', '#a6c84c'];
let series = [];
[
['新乡', BJData],
['九江', SHData],
['新疆', GZData]
].forEach(function (item, i) {
series.push({
name: item[0] + ' Top10',
type: 'lines',
zlevel: 1,
effect: {
show: true,
period: 6,
trailLength: 0.7,
color: '#fff',
symbolSize: 3
},
lineStyle: {
normal: {
color: color[i],
width: 0,
curveness: 0.2
}
},
data: convertData(item[1])
}, {
name: item[0] + ' Top10',
type: 'lines',
zlevel: 2,
effect: {
show: true,
period: 6,
trailLength: 0,
symbol: planePath,
symbolSize: 15
},
lineStyle: {
normal: {
color: color[i],
width: 1,
opacity: 0.4,
curveness: 0.2
}
},
data: convertData(item[1])
}, {
name: item[0] + ' Top10',
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: color[i]
}
},
data: item[1].map(function (dataItem) {
return {
name: dataItem[1].name,
value: geoCoordMap[dataItem[1].name].concat([dataItem[1].value])
};
})
});
});
option = option = {
title: {
text: '来京路线 From',
textStyle: {
color: '#6d767e'
}
},
geo: {
map: 'china',
zoom: 1.2,
label: {
emphasis: {
show: false
}
},
roam: true, //是否允许缩放
itemStyle: {
normal: {
// color: 'rgba(51, 69, 89, .5)', //地图背景色
// color: '#5a6fc0', //地图背景色
// borderColor: '#516a89', //省市边界线00fcff 516a89
borderWidth: 1
},
emphasis: {
color: 'rgba(37, 43, 61, .5)' //悬浮背景
}
}
},
series: series
}
// 3.3使用刚指定的配置项和数据显示图表。
myChart.setOption(option);
</script>
</body>
</html>
