echarts中国地图例子：http://gallery.echartsjs.com/editor.html?c=effectScatter-map
代码：
var data = [{
name: '郑州',
value: 100 //扩散的大小
},
{
name: '北京',
value: 100
},
{
name: '香港',
value: 100
},
{
name: '上海',
value: 100
},
];
var geoCoordMap = {
'郑州': [113.649638, 34.75659],
'香港': [114.186133, 22.29343],
'北京': [116.395645, 39.92998],
'上海': [121.487884, 31.24910]
};
var convertData = function(data) {
var res = [];
for (var i = 0; i < data.length; i++) {
var geoCoord = geoCoordMap[data[i].name];
if (geoCoord) {
res.push({
name: data[i].name,
value: geoCoord.concat(data[i].value)
});
}
}
return res;
};
option = {
backgroundColor: '#404a59',
tooltip: {
trigger: 'item',
formatter: function(obj) {
return obj.name + '：' + obj.value[0] + '，' + obj.value[1];
},
textStyle: {
fontSize: 18
}
},
series: [{
type: 'effectScatter',
coordinateSystem: 'geo',
data: convertData(data.sort(function(a, b) {
return b.value - a.value;
}).slice(0, 6)),
symbolSize: function(val) {
return val[2] / 10;
},
showEffectOn: 'render',
zlevel: 2,
rippleEffect: {
period: 2.5, //波纹秒数
brushType: 'fill', //stroke(涟漪)和fill(扩散)，两种效果
scale: 20 //波纹范围
},
hoverAnimation: true,
label: {
normal: {
formatter: '{b}',
position: 'top',
show: true
}
},
itemStyle: {
normal: {
show: true,
color: "#0579FA", //字体和点颜色
label: {
textStyle: {
fontWeight: 'bold', //字体
fontSize: 18, //字体大小
color: "#023AFD"
}
},
}
},
}],
geo: {
map: 'china',
label: {
emphasis: {
show: false
}
},
roam: true,
layoutCenter: ['50%', '50%'],
layoutSize: "130%",
itemStyle: {
normal: {
color: '#51FFFF',
borderColor: '#0285FF'
},
emphasis: {
color: '#004881'
}
}
}
};