效果图:
实现的效果:
完整的JS代码:
let regions = [];
let orgRegions = [];// 初始状态颜色
var selectedAreaName = "";// 当前被选中/轮播地市
var mapName = 'NX';
var geoJson = mapData;
// 普通涟漪效果的标点
function convertNormalLianyiData(mapData) {
var res = [];
for (var i = 0; i < mapData.features.length; i++) {
var prop = mapData.features[i].properties;
//var geoCoord = prop.center;// 标点位于地区省会
var geoCoord = prop.centroid;// 标点位于地区正中心
if (geoCoord && prop.name != selectedAreaName) {
res.push({
name: prop.name,
// 横纵坐标后,拼接高度坐标,默认为10
value: geoCoord.concat(100),
adcode: prop.adcode,
});
}
}
return res;
}
// 选中区域涟漪效果的标点
function convertSelectedLianyiData(mapData) {
var res = [];
for (var i = 0; i < mapData.features.length; i++) {
var prop = mapData.features[i].properties;
//var geoCoord = prop.center;// 标点位于地区省会
var geoCoord = prop.centroid;// 标点位于地区正中心
if (geoCoord && prop.name == selectedAreaName) {
res.push({
name: prop.name,
// 横纵坐标后,拼接高度坐标,默认为10
value: geoCoord.concat(100),
adcode: prop.adcode,
});
}
}
return res;
}
for (i = 0; i < geoJson.features.length; i++) {
let cityInfo = {
name: geoJson.features[i].properties.name,
adcode: geoJson.features[i].properties.adcode,
}
city.push(cityInfo);
}
for (i = 0; i < city.length; i++) {
regions.push({
name: city[i].name,
adcode: city[i].adcode,
itemStyle: {
color: color[i % 10]
},
});
orgRegions.push({
name: city[i].name,
adcode: city[i].adcode,
itemStyle: {
color: color[i % 10]
},
});
}
// 叠加图层构建立体效果
let addShadow = function (geo) {
let max = 30;
let upper = '#2768b6';
let deeper = '#0e408a';
for (let i = 0; i < max; i++) {
geo.push({
type: 'map',
map: mapName,
// 地图标签
label: {
show: false
},
layoutCenter: ['50%', '50%'],
layoutSize: '80%',
zlevel: -1 * i,
itemStyle: {
normal: {
color: 'rgba(39, 104 ,190, 1)',
borderColor: '#AEFBFF',
borderWidth: 1,
opacity: 0.8,
shadowColor: i < max / 2 ? upper : deeper,
shadowOffsetX: i * -1,
shadowOffsetY: i * 1.5,
shadowBlur: 1
},
emphasis: {
show: false,
color: "#fff",
// 地图区域被选中的颜色
areaColor: "rgba(0,254,233,0.6)",
},
},
aspectScale: 1, //长宽比
selectedMode: false, //是否允许选中多个区域
});
}
};
let geo = [
{
type: 'map',
map: mapName,
itemStyle: {
normal: {
areaColor: {
type: "linear",
x: 1200,
y: 0,
x2: 0,
y2: 0,
colorStops: [
{
offset: 0,
color: "rgba(3,27,78,0.75)", // 0% 处的颜色
},
{
offset: 1,
color: "rgba(58,149,253,0.75)", // 50% 处的颜色
},
],
global: true, // 缺省为 false
},
borderColor: "#fff",
borderWidth: 0.2,
},
emphasis: {
show: false,
color: "#fff",
// 地图区域被选中的颜色
areaColor: "rgba(0,254,233,0.6)",
},
},
// 地图标签
label: {
show: false
},
layoutCenter: ['50%', '50%'],
layoutSize: '80%',
zlevel: 0,
aspectScale: 1, //长宽比
selectedMode: false, //是否允许选中多个区域
}
];
addShadow(geo);
option = {
tooltip: {
show: true, // 提示框
trigger: 'item',
formatter: function (params) {
return params.name;
}
},
geo: geo,
series: [
{
type: 'map',
map: mapName,
itemStyle: {
normal: {
areaColor: {
type: "linear",
x: 1200,
y: 0,
x2: 0,
y2: 0,
colorStops: [
{
offset: 0,
color: "rgba(3,27,78,0.75)", // 0% 处的颜色
},
{
offset: 1,
color: "rgba(58,149,253,0.75)", // 50% 处的颜色
},
],
global: true, // 缺省为 false
},
borderColor: "#fff",
borderWidth: 0.2,
},
emphasis: {
show: false,
color: "#fff",
// 地图区域被选中的颜色
areaColor: "rgba(0,254,233,0.6)",
},
},
// 地图标签
label: {
show: false
},
zlevel: -1,
aspectScale: 1, //长宽比
selectedMode: false, //是否允许选中多个区域
data: convertNormalLianyiData(mapData),
},
// 常规状态下的涟漪效果
{
// 动效散点公共配置项
type: 'effectScatter',
// 使用的坐标系
coordinateSystem: 'geo',
// 涟漪效果
rippleEffect: {
//涟漪特效
color: '#f29130',
period: 4, //动画时间,值越小速度越快
brushType: 'stroke', //波纹绘制方式 stroke, fill
scale: 10 //波纹圆环最大限制,值越大波纹越大
},
symbol: 'circle',
symbolSize: 15,
label: {
normal: {
show: true,
position: 'bottom', //显示位置
offset: [5, 0], //偏移设置
formatter: function (params) {
//圆环显示文字
return params.data.name;
},
textStyle: {
fontSize: 15,
color: 'white',
borderWidth: 15
//borderColor: 'orange'
}
},
emphasis: {
show: true
}
},
// 城市坐标样式
itemStyle: {
normal: {
color: {
type: 'linear',
x: 0,
y: 0,
x2: 0,
y2: 1,
colorStops: [
{
offset: 0,
color: '#fbc05d' // 0% 处的颜色
},
{
offset: 1,
color: '#ee8125' // 100% 处的颜色
}
],
global: false // 缺省为 false
}
}
},
data: convertNormalLianyiData(mapData)
},
// 选中状态下的涟漪效果
{
// 动效散点公共配置项
type: 'effectScatter',
// 使用的坐标系
coordinateSystem: 'geo',
// 涟漪效果
rippleEffect: {
//涟漪特效
color: '#1a6198',
period: 4, //动画时间,值越小速度越快
brushType: 'fill', //波纹绘制方式 stroke, fill
scale: 15 //波纹圆环最大限制,值越大波纹越大
},
symbol: 'circle',
symbolSize: 15,
label: {
normal: {
show: true,
position: 'bottom', //显示位置
offset: [5, 0], //偏移设置
formatter: function (params) {
//圆环显示文字
return params.data.name;
},
textStyle: {
fontSize: 15,
color: 'white',
borderWidth: 15
//borderColor: 'orange'
}
},
emphasis: {
show: true
}
},
// 城市坐标样式
itemStyle: {
normal: {
color: {
type: 'linear',
x: 0,
y: 0,
x2: 0,
y2: 1,
colorStops: [
{
offset: 0,
color: '#fbc05d' // 0% 处的颜色
},
{
offset: 1,
color: '#ee8125' // 100% 处的颜色
}
],
global: false // 缺省为 false
}
}
},
data: convertSelectedLianyiData(mapData)
}
]
};
function buildOption(context, eChartData, chartOption, echarts) {
debugger
echarts.registerMap(mapName, geoJson);
startLunbo(context, true);
// 初始化时立即广播宁夏
if (context.vueContext) {
let selectedCode = '640000';
let msg = {
//P_ND: "20220101",
CZQH: selectedCode
}
context.vueContext.emit('sendMsg', msg)
}
chartOption = option;
return chartOption;
};
var myChart;
var interval;
function onRender(context, eChartData, container, obj, instance) {
debugger
myChart = instance;
// 鼠标移入轮播结束,移出轮播开始
myChart.off('mouseover')
myChart.on("mouseover", (params) => {
clearInterval(interval);
clearAllStyle();
// 记录被选中的/轮播的区域
selectedAreaName = params.name;
resetScatter();
setSelectedStyle();
myChart.setOption(option);
});
myChart.off('mouseout')
myChart.on("mouseout", () => {
debugger
selectedAreaName = "";
resetScatter();
//轮播函数开始
clearInterval(interval);
clearAllStyle();
startLunbo(context);
// 记录被选中的/轮播的区域
myChart.setOption(option);
});
myChart.off('click')
myChart.on("click", function (params) {
// debugger
// 点击区域的区划code
let changeCode = params.region.adcode;
if (changeCode && context.vueContext) {
let msg = {
//P_ND: "20220101",
CZQH: changeCode
}
context.vueContext.emit('sendMsg', msg)
}
// 仪表盘的Id
// let dashboardGuid = window['nvwa-dataanalyze-dashboard_0000018A39DD52A99D9A26069BCED0DE'].dashboardGuid;
console.log('点击获取Params', params);
});
};
/**
*
* @param context 图表上下文参数
* @param init 是否为第一加载:true:立即开启选中,false:时间间隔后开启选中
*/
function startLunbo(context, init = false) {
// debugger
// 保留当前选中地市的下标和颜色信息
const lastSelectedArea = {
index: 0,
color: 'rgba(39, 104 ,190, 1)',
};
let _context = context;
// 开始轮播,-1表示展示省级信息
let mapIndex = -1;
interval = setInterval(() => {
if (mapIndex == -1) {
clearAllStyle();
if (!init) {
// 广播宁夏
if (_context.vueContext) {
let selectedCode = '640000';
let msg = {
//P_ND: "20220101",
CZQH: selectedCode
}
_context.vueContext.emit('sendMsg', msg)
}
}
mapIndex++;
} else {
regions[lastSelectedArea.index].itemStyle.color = lastSelectedArea.color;
let finishLunbo = (mapIndex == mapData.features.length);
mapIndex = mapIndex % mapData.features.length;
lastSelectedArea.index = mapIndex;
lastSelectedArea.color = regions[lastSelectedArea.index].itemStyle.color;
// 当前轮播被选中的地区颜色
regions[mapIndex].itemStyle.color = '#ffffff';
// regions[mapIndex].itemStyle.color = '#e2cd00';
// 记录被选中的/轮播的区域
selectedAreaName = regions[mapIndex].name;
// 广播当前轮播的财政区划
if (_context.vueContext) {
let selectedCode = regions[mapIndex].adcode;
let msg = {
//P_ND: "20220101",
CZQH: selectedCode
}
_context.vueContext.emit('sendMsg', msg)
}
if (finishLunbo == true) {
// 全部轮询完成,从省级重新开始,下标恢复为-1
mapIndex = -1;
} else {
mapIndex++;
}
for (let i = 0; i < option.geo.length; i++) {
const geoItem = option.geo[i];
geoItem.regions = regions;
}
resetScatter();
}
myChart.setOption(option);
}, 15000);// 此处修改轮播的频率(单位毫秒)
}
// 清除所有地区被选中样式
function clearAllStyle() {
// debugger
for (let i = 0; i < option.geo.length; i++) {
const geoItem = option.geo[i];
geoItem.regions = orgRegions;
}
regions = [];
for (i = 0; i < city.length; i++) {
regions.push({
name: city[i].name,
adcode: city[i].adcode,
itemStyle: {
color: color[i % 10]
},
});
}
myChart.setOption(option);
}
// 重置涟漪效果
function resetScatter() {
option.series[1].data = convertNormalLianyiData(mapData);
option.series[2].data = convertSelectedLianyiData(mapData);
}
// 设置被选中地区样式
function setSelectedStyle() {
// debugger
// 被选中的地区颜色
let selectedStyle = {
color: "rgba(0,254,233,0.6)",
}
for (let i = 0; i < regions.length; i++) {
const selectedItem = regions[i];
if (selectedItem.name == selectedAreaName) {
selectedItem.itemStyle = selectedStyle;
break;
}
}
for (let i = 0; i < option.geo.length; i++) {
const geoItem = option.geo[i];
geoItem.regions = regions;
}
}