上海市地图下钻echarts group配置项内容和展示
上海市地图下钻
配置项如下
var shanghai = "https://geo.datav.aliyun.com/areas_v2/bound/310000_full.json";
var minhang = "310112";
var baoshan = "310113";
var jiading = "310114";
var pudongxin = "310115";
var jinshan = "310116";
var songjiang = "310117";
var qingpu = "310118";
var fengxian = "310120";
var chongming = "310151";
echarts.extendsMap = function(id, opt){
// 实例
var chart = this.init(document.getElementById(id));
var curGeoJson = {};
var cityMap = {
'闵行区': minhang,
'宝山区': baoshan,
'嘉定区': jiading,
'浦东新区': pudongxin,
'金山区': jinshan,
'松江区': songjiang,
'青浦区': qingpu,
'奉贤区': fengxian,
'崇明区': chongming,
};
var geoCoordMap = {
'崇明区': [121.39, 31.62],
'嘉定区': [121.26, 31.37],
'萍乡区': [121.30, 31.13],
'宝山区': [121.48, 31.40],
'奉贤区': [121.47, 30.91],
};
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: 15,
leftCur: 120,
left: 58,
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 = 180;
o.graphic[0].children[1].shape.x2 = 180;
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 = 70;
o.graphic[0].children[1].shape.x2 = 70;
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 = {
'闵行区': "minhang",
'宝山区': "baoshan",
'嘉定区': "jiading",
'浦东新区': "pudongxin",
'金山区': "jinshan",
'松江区': "songjiang",
'青浦区': "qingpu",
'奉贤区': "fengxian",
'崇明区': "chongming",
};
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)
});
}
};
console.log(temp)
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: 70,
y2: 0
},
style: {
stroke: style.lineColor,
}
}, {
type: 'line',
left: 0,
top: 20,
shape: {
x1: 0,
y1: 0,
x2: 70,
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] === '上海市' ? '上海市' : name[0],
textAlign: 'center',
fill: style.textColor,
font: style.font
},
onclick: function(){
handleEvents.resetOption(chart, option, '上海市');
}
},
{
type: 'text',
left: 0,
top: 10,
style: {
text: 'SHANGHAI',
textAlign: 'center',
fill: style.textColor,
font: '12px "Microsoft YaHei", sans-serif',
},
onclick: function(){
handleEvents.resetOption(chart, option, '上海市');
}
}
]
}],
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];
url = "https://geo.datav.aliyun.com/areas_v2/bound/" + url + ".json";
$.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(shanghai, function(geoJson){
echarts.registerMap('上海市', geoJson);
var myChart = echarts.extendsMap('chart-panel', {
bgColor: '#154e90', // 画布背景色
mapName: '上海市', // 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: '崇明区',
value: 10,
level: 1
}, {
name: '嘉定区',
value: 12,
level: 2
}, {
name: '萍乡区',
value: 11,
level: 3
}, {
name: '宝山区',
value: 16,
level: 2
}, {
name: '奉贤区',
value: 12,
level: 1
}]
});
})
截图如下
