地图下钻echarts group配置项内容和展示
配置项如下
var jiangxi = "/asset/get/s/data-1518338017111-rJK1gtpUM.json";
var yingtan = "/asset/get/s/data-1518338860057-By447tpLf.json";
var yichun = "/asset/get/s/data-1518338852969-Hy677KTIf.json";
var xinyu = "/asset/get/s/data-1518338838010-SyAzQYTIf.json";
var shangrao = "/asset/get/s/data-1518338829670-H1UfQYa8G.json";
var pingxiang = "/asset/get/s/data-1518338823093-HkyMQtpUf.json";
var nanchang = "/asset/get/s/data-1518338805373-S1Temta8G.json";
var jiujiang = "/asset/get/s/data-1518338799987-S1deQFTLz.json";
var jingdezhen = "/asset/get/s/data-1518338783915-HJOJXtaLf.json";
var jian = "/asset/get/s/data-1518338772507-BJnAMKTIz.json";
var ganzhou = "/asset/get/s/data-1518338763250-S17RfKpLM.json";
var fuzhou = "/asset/get/s/data-1518338684239-S1EFGtp8f.json";
echarts.extendsMap = function(id, opt){
// 实例
var chart = this.init(document.getElementById(id));
var curGeoJson = {};
var cityMap = {
"南昌市": nanchang,
"景德镇市": jingdezhen,
"萍乡市": pingxiang,
"九江市": jiujiang,
"新余市": xinyu,
"鹰潭市": yingtan,
"赣州市": ganzhou,
"吉安市": jian,
"宜春市": yichun,
"抚州市": fuzhou,
"上饶市": shangrao
};
var geoCoordMap = {
'南昌': [115.89, 28.48],
'景德镇': [117.28, 29.09],
'萍乡': [113.93, 27.41],
'九江': [115.97,29.51],
'新余': [114.81, 27.72],
'鹰潭': [117.12, 28.10],
'赣州': [115.04, 25.67],
'吉安': [115.05, 26.88],
'宜春': [114.41, 28.03],
'抚州': [116.45, 27.79],
'上饶': [117.92, 28.22]
};
var levelColorMap = {
'1': 'rgba(241, 109, 115, .8)',
'2': 'rgba(255, 235, 59, .7)',
'3': 'rgba(147, 235, 248, 1)'
};
var defaultOpt = {
mapName: 'china', // 地图展示
goDown: false, // 是否下钻
bgColor: '#404a59', // 画布背景色
activeArea: [], // 区域高亮,同echarts配置项
data: [],
// 下钻回调(点击的地图名、实例对象option、实例对象)
callback: function(name, option, instance){}
};
if(opt) opt = this.util.extend(defaultOpt, opt);
// 层级索引
var name = [opt.mapName];
var idx = 0;
var pos = {
leftPlus: 115,
leftCur: 150,
left: 198,
top: 50
};
var line = [[0, 0], [8, 11], [0, 22]];
// style
var style = {
font: '18px "Microsoft YaHei", sans-serif',
textColor: '#eee',
lineColor: 'rgba(147, 235, 248, .8)'
};
var handleEvents = {
/**
* i 实例对象
* o option
* n 地图名
**/
resetOption: function(i, o, n){
var breadcrumb = this.createBreadcrumb(n);
var j = name.indexOf(n);
var l = o.graphic.length;
if(j < 0){
o.graphic.push(breadcrumb);
o.graphic[0].children[0].shape.x2 = 145;
o.graphic[0].children[1].shape.x2 = 145;
if(o.graphic.length > 2){
for(var x = 0; x < opt.data.length; x++){
if(n === opt.data[x].name + '市'){
o.series[0].data = handleEvents.initSeriesData([opt.data[x]]);
break;
}else o.series[0].data = [];
}
};
name.push(n);
idx++;
}else{
o.graphic.splice(j + 2, l);
if(o.graphic.length <= 2){
o.graphic[0].children[0].shape.x2 = 60;
o.graphic[0].children[1].shape.x2 = 60;
o.series[0].data = handleEvents.initSeriesData(opt.data);
};
name.splice(j + 1, l);
idx = j;
pos.leftCur -= pos.leftPlus * (l - j - 1);
};
o.geo.map = n;
o.geo.zoom = 0.4;
i.clear();
i.setOption(o);
this.zoomAnimation();
opt.callback(n, o, i);
},
/**
* name 地图名
**/
createBreadcrumb: function(name){
var cityToPinyin = {
"南昌市": "nanchang",
"景德镇市": "jingdezhen",
"萍乡市": "pingxiang",
"九江市": "jiujiang",
"新余市": "xinyu",
"鹰潭市": "yingtan",
"赣州市": "ganzhou",
"吉安市": "jian",
"宜春市": "yichun",
"抚州市": "fuzhou",
"上饶市": "shangrao"
};
var breadcrumb = {
type: 'group',
id: name,
left: pos.leftCur + pos.leftPlus,
top: pos.top + 3,
children: [{
type: 'polyline',
left: -90,
top: -5,
shape: {
points: line
},
style: {
stroke: '#fff',
key: name
// lineWidth: 2,
},
onclick: function(){
var name = this.style.key;
handleEvents.resetOption(chart, option, name);
}
}, {
type: 'text',
left: -68,
top: 'middle',
style: {
text: name,
textAlign: 'center',
fill: style.textColor,
font: style.font
},
onclick: function(){
var name = this.style.text;
handleEvents.resetOption(chart, option, name);
}
}, {
type: 'text',
left: -68,
top: 10,
style: {
name: name,
text: cityToPinyin[name] ? cityToPinyin[name].toUpperCase() : '',
textAlign: 'center',
fill: style.textColor,
font: '12px "Microsoft YaHei", sans-serif',
},
onclick: function(){
// console.log(this.style);
var name = this.style.name;
handleEvents.resetOption(chart, option, name);
}
}]
}
pos.leftCur += pos.leftPlus;
return breadcrumb;
},
// 设置effectscatter
initSeriesData: function(data){
var temp = [];
for(var i = 0;i < data.length;i++){
var geoCoord = geoCoordMap[data[i].name];
if(geoCoord){
temp.push({
name: data[i].name,
value: geoCoord.concat(data[i].value, data[i].level)
});
}
};
return temp;
},
zoomAnimation: function(){
var count = null;
var zoom = function(per){
if(!count) count = per;
count = count + per;
// console.log(per,count);
chart.setOption({
geo: {
zoom: count
}
});
if(count < 1) window.requestAnimationFrame(function(){
zoom(0.2);
});
};
window.requestAnimationFrame(function(){
zoom(0.2);
});
}
};
var option = {
backgroundColor: opt.bgColor,
graphic: [{
type: 'group',
left: pos.left,
top: pos.top - 4,
children: [{
type: 'line',
left: 0,
top: -20,
shape: {
x1: 0,
y1: 0,
x2: 60,
y2: 0
},
style: {
stroke: style.lineColor,
}
}, {
type: 'line',
left: 0,
top: 20,
shape: {
x1: 0,
y1: 0,
x2: 60,
y2: 0
},
style: {
stroke: style.lineColor,
}
}]
}, {
id: name[idx],
type: 'group',
left: pos.left + 2,
top: pos.top,
children: [{
type: 'polyline',
left: 90,
top: -12,
shape: {
points: line
},
style: {
stroke: 'transparent',
key: name[0]
},
onclick: function(){
var name = this.style.key;
handleEvents.resetOption(chart, option, name);
}
}, {
type: 'text',
left: 0,
top: 'middle',
style: {
text: name[0] === '江西' ? '江西省' : name[0],
textAlign: 'center',
fill: style.textColor,
font: style.font
},
onclick: function(){
handleEvents.resetOption(chart, option, '江西');
}
}, {
type: 'text',
left: 0,
top: 10,
style: {
text: 'JIANGXI',
textAlign: 'center',
fill: style.textColor,
font: '12px "Microsoft YaHei", sans-serif',
},
onclick: function(){
handleEvents.resetOption(chart, option, '江西');
}
}]
}],
geo: {
map: opt.mapName,
// roam: true,
zoom: 1,
label: {
normal: {
show: true,
textStyle: {
color: '#fff'
}
},
emphasis: {
textStyle: {
color: '#fff'
}
}
},
itemStyle: {
normal: {
borderColor: 'rgba(147, 235, 248, 1)',
borderWidth: 1,
areaColor: {
type: 'radial',
x: 0.5,
y: 0.5,
r: 0.8,
colorStops: [{
offset: 0,
color: 'rgba(147, 235, 248, 0)' // 0% 处的颜色
}, {
offset: 1,
color: 'rgba(147, 235, 248, .2)' // 100% 处的颜色
}],
globalCoord: false // 缺省为 false
},
shadowColor: 'rgba(128, 217, 248, 1)',
// shadowColor: 'rgba(255, 255, 255, 1)',
shadowOffsetX: -2,
shadowOffsetY: 2,
shadowBlur: 10
},
emphasis: {
areaColor: '#389BB7',
borderWidth: 0
}
},
regions: opt.activeArea.map(function(item){
if(typeof item !== 'string'){
return {
name: item.name,
itemStyle: {
normal: {
areaColor: item.areaColor || '#389BB7'
}
},
label: {
normal: {
show: item.showLabel,
textStyle: {
color: '#fff'
}
}
}
}
}else{
return {
name: item,
itemStyle: {
normal: {
borderColor: '#91e6ff',
areaColor: '#389BB7'
}
}
}
}
})
},
series: [{
type: 'effectScatter',
coordinateSystem: 'geo',
// symbol: 'diamond',
showEffectOn: 'render',
rippleEffect: {
period: 15,
scale: 6,
brushType: 'fill'
},
hoverAnimation: true,
itemStyle: {
normal: {
color: function(params){
return levelColorMap[params.value[3]];
},
shadowBlur: 10,
shadowColor: '#333'
}
},
data: handleEvents.initSeriesData(opt.data)
}]
};
chart.setOption(option);
// 添加事件
chart.on('click', function(params){
var _self = this;
if(opt.goDown && params.name !== name[idx]){
if(cityMap[params.name]){
var url = cityMap[params.name];
$.get(url, function(response){
// console.log(response);
curGeoJson = response;
echarts.registerMap(params.name, response);
handleEvents.resetOption(_self, option, params.name);
});
}
}
});
chart.setMap = function(mapName){
var _self = this;
if(mapName.indexOf('市') < 0) mapName = mapName + '市';
var citySource = cityMap[mapName];
if(citySource){
var url = './map/' + citySource + '.json';
$.get(url, function(response){
// console.log(response);
curGeoJson = response;
echarts.registerMap(mapName, response);
handleEvents.resetOption(_self, option, mapName);
});
}
// handleEvents.resetOption(this, option, mapName);
};
return chart;
};
$.getJSON(jiangxi, function(geoJson){
echarts.registerMap('江西', geoJson);
var myChart = echarts.extendsMap('chart-panel', {
bgColor: '#154e90', // 画布背景色
mapName: '江西', // 地图名
goDown: true, // 是否下钻
// 下钻回调
callback: function(name, option, instance){
console.log(name, option, instance);
},
// 数据展示
data: [{
name: '南昌',
value: 10,
level: 1
}, {
name: '景德镇',
value: 12,
level: 2
}, {
name: '萍乡',
value: 11,
level: 3
}, {
name: '赣州',
value: 16,
level: 2
}, {
name: '吉安',
value: 12,
level: 1
}]
});
})
截图如下
