iClient-JavaScript/examples/leaflet/01_chartService.html at master · SuperMap/iClient-JavaScript

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<!--********************************************************************

*********************************************************************-->

<!DOCTYPE html>

<html>

<head>

<style>

#toolbar {

position: absolute;

top: 0px;

right: 10px;

width: 330px;

height: 100%;

z-index: 999;

border-radius: 4px;

}

.tab-content {

height: calc(100% - 80px);

overflow: auto;

}

.setting-title {

padding: 4px;

text-align: left;

}

#settings .input-group-addon:first-child {

min-width: 165px;

text-align: left;

}

#sql .input-group-addon:first-child {

min-width: 100px;

text-align: left;

}

#groups {

max-height: 290px;

overflow: auto;

padding: 0;

}

#queryResults {

max-height: 360px;

overflow: auto;

padding: 0;

}

#tablePanel td,

#tablePanel th {

border: 1px solid black;

width: 130px;

text-overflow: ellipsis;

overflow: hidden;

white-space: nowrap;

padding: 2px 6px;

}

#tablePanel .nav {

margin-bottom: 4px;

}

.fascTable table {

margin-bottom: 10px;

}

#queryResults a,

#groups a,

a:hover,

a:focus {

color: #333 !important;

text-decoration: none !important;

}

#queryResults li>a,

#groups li>a {

display: inline-block;

width: 100%;

padding: 3px 8px;

}

#queryResults li,

#groups li {

display: flex;

align-items: center;

padding: 0 20px;

}

#queryResults li img,

#groups li img {

width: 12px;

height: 12px;

opacity: 0.8;

}

#queryResults li:hover,

#queryResults li.active,

#groups li:hover,

#groups li.active {

background-color: #eee;

}

.attrs-btns {

display: flex;

justify-content: center;

padding: 10px;

}

#toolbar .panel-heading {

padding: 0;

}

#water .optionsWithLabel {

margin: 10px;

}

#water .optionsWithLabel>span {

width: 110px;

padding-right: 6px;

}

#wlaUnit {

padding: 0;

}

#water .unit {

width: 50px;

margin-left: 4px;

}

#water .optionsWithLabel :nth-child(2) {

flex: 1;

}

.wlaPanel .optionsWithLabel>span {

/* width: 100px; */

text-align: right;

}

#chartContainer {

position: absolute;

top: 5px;

left: 5px;

background: white;

color: #333;

box-shadow: 0 3px 14px rgba(0, 0, 0, 0.4);

display: none;

z-index: 9999;

}

.header {

display: flex;

justify-content: space-between;

padding: 6px;

border-bottom: 1px solid rgba(0, 0, 0, 0.08);

}

.optionsWithLabel {

display: flex;

align-items: center;

}

.optionsWithLabel>span {

text-wrap: nowrap;

}

#chart {

margin-top: 10px;

width: 480px;

height: 330px;

}

#datetimepicker {

width: 160px;

}

#settings .chartseting-panel-heading {

margin: 10px 0;

font-weight: bold;

cursor: pointer;

}

.chartseting-panel-heading:not(.collapsed) .collapse-icon {

display: inline-block;

rotate: 90deg;

}

</style>

</head>

</div>

</select>

</div>

</div>

</div>

</ul>

</div>

</div>

</div>

</div>

</div>

</select>

</div>

</select>

</div>

</select>

</div>

</div>

</div>

<div>

</div>

<div>

</div>

</select>

</div>

</div>

</div>

</select>

</div>

</div>

</div>

</div>

</h5>

</div>

</div>

var url = "https://iserver.supermap.io/iserver/services/map-chart/rest/maps/GB4X0000_52000";

// var url = "http://localhost:8090/iserver/services/map-WorkSpace1-2/rest/maps/S104S102_1";

var dataUrl = "http://localhost:8090/iserver/services/data-WorkSpace1-2/rest/data";

var s104dataSource = 'nanbaoS104v200';

var s104dataSet = 'S104Position4326';

var s104dataSetWaterLevel = 'S104WaterLevel';

var s104dataSetTime = 'S104Time';

var chartService = new L.supermap.ChartService(url, dataUrl);

var chartContainer = document.getElementById('chartContainer');

var overlayPopup = L.popup();

var map = L.map('map', {

preferCanvas: true,

crs: L.CRS.EPSG4326,

center: {lon: 61.0, lat: -32.51},

maxZoom: 18,

zoom: 12

});

var featureInfos;

var pointResultLayer, sqlResultLayer, S104ResultLayer;

var imgSrc = {

"Point": "../img/point1.png",

"MultiPoint": "../img/point1.png",

"LineString": "../img/line.png",

"MultiLineString": "../img/line.png",

"Polygon": "../img/polygon.png",

"MultiPolygon": "../img/polygon.png",

};

var layerStyle = {

pointToLayer: function (feature, latlng) {

return L.marker(latlng, {

icon: L.icon({

iconUrl: '../img/point2.png',

iconSize: [32, 32]

})

});

style: function (feature) {

return {

stroke: true,

color: 'rgba(255, 0, 0, 1)',

weight: 3,

fillOpacity: 0.1

};

}};

// S104水位查询，某个站点的全部时间要素

var stationFeatures = [];

var displayableAcronymClassify = {};

// var chartSetting = getChartSetting();

var layer = new L.supermap.TiledMapLayer(url,{

// chartSetting: chartSetting

}).addTo(map);

// changeDisplayModeChart();

// function changeDisplayModeChart() {

// // 当将显示模式设置为OTHER时,是否显示水深点、是否显示元物标、是否显示其他等深线标注才有效

// var displayModeChart = document.getElementById("displayModeChart").value;

// document.getElementById("displaySounding").disabled = displayModeChart !== 'OTHER';

// document.getElementById("displayMetaObject").disabled = displayModeChart !== 'OTHER';

// document.getElementById("displayOtherContourLabel").disabled = displayModeChart !== 'OTHER';

// }

function createChartSettingPanel(defaultChartSetting, maritimePcInfo) {

const container = document.getElementById('settings');

let htmlContent = '';

const chartTypes = Object.keys(defaultChartSetting && defaultChartSetting.contextParameters || {});

chartTypes.forEach((type, index) => {

const collapseId = `collapse-${type}-${index}`; // 为每个类型生成唯一 ID

htmlContent += `

<div data-toggle='collapse'

data-target='#${collapseId}'

aria-expanded='true'

class='chartseting-panel-heading'>

<i class="collapse-icon"> > </i> Maritime${type}

</div>

<div id='${collapseId}' class='collapse in'> `;

const PCVersion = defaultChartSetting.contextParameters[type].PCVersion;

const S100Parameter = maritimePcInfo[PCVersion];

S100Parameter.sort((a, b) => a.type.localeCompare(b.type));

S100Parameter.forEach(item => {

const domId = type + item.id;

// 1. 开始构建 input-group 容器

htmlContent += `<div class='input-group'>`;

htmlContent += `<span class='input-group-addon'>${item.name}</span>`;

// 2. 判断渲染逻辑

// 情况 A: 有枚举值或者类型是布尔值 -> 渲染 Select

if (item.contextParameterEnums || item.type === 'Boolean') {

htmlContent += `<select id='${domId}' class='form-control'>`;

let options = [];

if (item.contextParameterEnums) {

// 使用提供的枚举值

options = item.contextParameterEnums.map(opt => ({

value: opt.id,

text: opt.description

}));

} else if (item.type === 'Boolean') {

// 基础布尔值，没有提供枚举时默认 TRUE/FALSE

options = [

{ value: "TRUE", text: "TRUE" },

{ value: "FALSE", text: "FALSE" }

];

}

// 循环生成 Option

options.forEach(opt => {

const isSelected = item.defaultValue.toUpperCase() === opt.value.toUpperCase() ? 'selected' : '';

htmlContent += `<option value="${opt.value}" ${isSelected}>${opt.text}</option>`;

});

htmlContent += `</select>`;

}

// 情况 B: 类型是数值 (Double) -> 渲染 Input Number

else if (item.type === 'Double') {

htmlContent += `<input type='number' class='form-control' id='${domId}' value='${item.defaultValue}' />`;

}

htmlContent += `</div>`;

});

htmlContent += `</div>`; // 闭合 collapse 容器

});

htmlContent += `

<div data-i18n="resources.text_filterSetting" class="setting-title">互操作设置</div>

</select>

</div>

<span class='input-group-addon'>互操作等级</span>

</select>

</div>

container.innerHTML = htmlContent;

}

// 获取地图默认chartSetting

function getMapDefaultChartSetting() {

return new ol.supermap.MapService(url).getMapInfo().then(function(res) {

return res.result && res.result.chartSetting;

});

}

function getChartMaritimePcInfo() {

getMapDefaultChartSetting().then(defaultChartSetting => {

DefaultChartSetting = defaultChartSetting;

chartService.getChartMaritimePcInfo().then(function(maritimePcInfo) {

MaritimePcInfo = maritimePcInfo.result;

createChartSettingPanel(defaultChartSetting, maritimePcInfo.result);

updateChartSetting();

});

})

}

getChartMaritimePcInfo()

function getChartSetting() {

const getValue = (id, type) => {

const el = document.getElementById(id);

if (!el) return undefined;

const val = el.value;

switch (type) {

case 'Double': return parseFloat(val);

case 'Boolean': return val.toUpperCase() === "TRUE";

default: return val;

}

};

const chartTypes = Object.keys(DefaultChartSetting.contextParameters || {});

const contextParameters = {};

chartTypes.forEach(type => {

const PCVersion = DefaultChartSetting.contextParameters[type].PCVersion;

const S100Parameter = MaritimePcInfo[PCVersion];

contextParameters[type] = {};

S100Parameter.forEach(item => {

contextParameters[type][item.id] = getValue(type + item.id, item.type);

});

})

// 其余属性

var s98InteroperableEnable = document.getElementById("s98InteroperableEnable").value.toUpperCase() === "TRUE";

var interoperabilityLevel = parseFloat(document.getElementById("interoperabilityLevel").value);

var chartSetting = new ol.supermap.ChartSettingS100({

contextParameters: contextParameters,

s98InteroperableEnable: s98InteroperableEnable,

// edit 新增互操作等级

interoperabilityLevel: interoperabilityLevel

})

return chartSetting;

}

function updateChartSetting() {

var newChartSetting = getChartSetting();

layer.updateParams({chartSetting: newChartSetting})

}

// 创建SQL查询的物标类型下拉框

function createChartFeatureInfoSelect() {

var featuresList = document.getElementById('featuresList');

for (var i = 0; i < featureInfos.length; i++) {

const optionElement = document.createElement('option');

optionElement.value = featureInfos[i]['code'];

optionElement.textContent = featureInfos[i]['localName'] || featureInfos[i]['name'];

featuresList.appendChild(optionElement);

}

function getChartFeatureInfo() {

chartService.getChartFeatureInfo().then(function (serviceResult) {

featureInfos = serviceResult.result;

createChartFeatureInfoSelect();

})

}

getChartFeatureInfo();

function getClassify() {

var classifications = document.getElementById('classify')

// 获取海图物标分类信息

chartService.getChartAcronymClassify().then(function (serviceResult) {

// 创建分类信息复选框

serviceResult.result && serviceResult.result.forEach(function (element) {

displayableAcronymClassify[element.name] = true

updateChartSetting();

var checkbox = document.createElement('input');

checkbox.type = 'checkbox';

checkbox.value = element.name;

checkbox.checked = true;

checkbox.id = element.name;

var label = document.createElement('label');

label.textContent = element.aliasName;

label.style.marginLeft = "15px";

label.htmlFor = element.name;

classifications.appendChild(checkbox);

classifications.appendChild(label);

var brElement = document.createElement('br');

classifications.appendChild(brElement);

checkbox.addEventListener("click", function () {

displayableAcronymClassify[checkbox.value] = checkbox.checked;

updateChartSetting();

});

})

}

getClassify();

// 基于tree-grid插件，添加特定的类名，实现树状表格

var index = 0;

function clickQueryHandler(event) {

var coordinate = event.latlng;

var pixelCoor = event.layerPoint;

var b1 = map.layerPointToLatLng([pixelCoor.x-15,pixelCoor.y+15]);

var b2 = map.layerPointToLatLng([pixelCoor.x+15,pixelCoor.y-15]);

// 添加点要素

pointResultLayer && map.removeLayer(pointResultLayer);

pointResultLayer = L.circleMarker(coordinate,{radius:5});

map.addLayer(pointResultLayer);

var parms = new L.supermap.ChartQueryParameters({

queryMode: "ChartFeatureBoundsQuery",

bounds: L.latLngBounds(b1, b2)

});

var groups = document.getElementById('groups');

var tablePanel = document.getElementById('tablePanel');

var queryTips = document.querySelector('#queryTips');

groups.innerHTML = '';

tablePanel.innerHTML = '';

queryTips.innerHTML = resources.text_isQuerying;

new L.supermap.ChartService(url, { parseProperties: true }).queryChart(parms).then(res => {

var queryRes = res.result.recordsets;

if (queryRes.length) {

showClickQueryResults(queryRes, groups, tablePanel, queryTips);

} else {

queryTips.innerHTML = resources.text_queryEmpty;

}

})

}

function clickToDraw() {

map.getContainer().style.cursor = 'crosshair';

map.on('click', clickQueryHandler);

}

function cancelClickDraw() {

map.getContainer().style.cursor = 'default';

map.off('click', clickQueryHandler);

pointResultLayer && map.removeLayer(pointResultLayer);

}

function _createTreeTable(obj, tbody, parent) {

var propertiesKeys = Object.keys(obj);

propertiesKeys.forEach(function (fieldName) {

index++;

var fieldValue = obj[fieldName];

// 复杂属性

if (typeof (fieldValue) === 'object' && fieldValue !== null) {

var tr2 = document.createElement('tr');

tr2.className = 'treegrid-' + index + (parent ? ' treegrid-parent-' + parent : '');

tr2.innerHTML = '<td title=' + fieldName + '>' + fieldName + '</td> <td></td>';

tbody.append(tr2);

var parIndex = index;

_createTreeTable(fieldValue, tbody, parIndex);

} else {

// index ++;

var tr = document.createElement('tr');

tr.className = 'treegrid-' + index + (parent ? ' treegrid-parent-' + parent : '');

tr.innerHTML = '<td title=' + fieldName + '>' + fieldName + '</td> <td title="' + fieldValue + '">' +

fieldValue + '</td>';

tbody.append(tr);

}

})

}

// 创建关联要素的Table，标题为字段

function showAssociations(tableParent, featureProp) {

const parsedData = featureProp;

var table = document.createElement('table');

var propertiesKeys = Object.keys(parsedData[0]);

var thead = document.createElement('thead');

var tr = document.createElement('tr');

thead.append(tr);

table.append(thead);

propertiesKeys.forEach(key => {

var th = document.createElement('th');

th.innerHTML = key;

tr.append(th);

});

var tbody = document.createElement('tbody');

parsedData.forEach(item => {

const row = document.createElement("tr");

propertiesKeys.forEach(key => {

const td = document.createElement("td");

td.textContent = item[key];

row.appendChild(td);

});

tbody.appendChild(row);

})

table.append(tbody);

tableParent.append(table);

}

// 点选查询属性表

function showProperties(tableParent, featureProp) {

var table = document.createElement('table');

table.className = 'tab-pane tree';

var thead = document.createElement('thead');

thead.innerHTML = `<tr><th>${resources.text_propertyName}</th><th>${resources.text_propertyValue}</th></tr>`;

table.append(thead);

tableParent.append(table);

var tbody = document.createElement('tbody');

table.append(tbody);

_createTreeTable(featureProp, tbody);

}

// 创建点选后的UI

function showClickQueryResults(queryRes, groups, tablePanel, queryTips) {

queryTips.innerHTML = '';

queryRes.forEach(recordset => {

// 图幅

var groupName = document.createElement('div');

groupName.innerHTML = recordset.datasetGroupName;

groupName.style.fontWeight = 600;

groups.append(groupName);

recordset.chartRecordsets.forEach((chartFeatureRecordset, recordsetIndex) => {

var matchFeatureInfo = featureInfos.find(function (featureInfo) {

return featureInfo.acronym === chartFeatureRecordset.acronym;

});

var localName = matchFeatureInfo && matchFeatureInfo.localName || chartFeatureRecordset

.acronym || 'chartFeature';

var datasetName = chartFeatureRecordset.datasetName;

chartFeatureRecordset.features.features.forEach((feature, featureIndex) => {

// 图幅下的物标

var type = feature.geometry.type;

var acronym = document.createElement('li');

var idIndex = recordsetIndex + '-' + featureIndex;

acronym.innerHTML =

`<img src=${imgSrc[type]}></img><a href="#panel${idIndex}" data-toggle="tab">${localName}</a>`;

document.getElementById('groups').append(acronym);

// 创建tab栏和table的容器

var tabPanel = document.createElement('div');

tabPanel.className = "tab-pane";

tabPanel.id = 'panel' + idIndex;

tablePanel.append(tabPanel);

// 创建属性、关联信息、关联要素的tab栏

var tabUl = `

<li class="active"><a href="#ATTR${idIndex}" data-toggle="tab">${resources.text_attribute}</a></li>

// 创建属性、关联信息、关联要素的tab栏对应的表格内容区

var tabContent = `

if (feature.infoAssociations) {

tabUl += `<li><a href="#INAS${idIndex}" data-toggle="tab" ><span>${resources.text_infoAssociations}</span></a></li>`

tabContent +=

`<div id="INAS${idIndex}" style="max-height: 400px;overflow: auto;" class="tab-pane fascTable">

</div>`

}

if (feature.featureAssociations) {

tabUl += `<li><a href="#FASC${idIndex}" data-toggle="tab" ><span>${resources.text_featureAssociations}</span></a></li>`

tabContent +=

`<div id="FASC${idIndex}" style="max-height: 400px;overflow: auto;" class="tab-pane fascTable">

</div>`

}

var tabheaderUl = document.createElement('ul');

tabheaderUl.className = 'nav nav-tabs';

tabheaderUl.innerHTML = tabUl;

var tabContentDiv = document.createElement('div');

tabContentDiv.className = 'tab-pane tab-content';

tabContentDiv.innerHTML = tabContent;

tabPanel.append(tabheaderUl);

tabPanel.append(tabContentDiv);

// 物标属性表格

var ATTR = document.getElementById('ATTR' + idIndex);

showProperties(ATTR, feature.properties);

// 关联信息表格

var INAS = document.getElementById('INAS-feature' + idIndex);

INAS && showAssociations(INAS, feature.infoAssociations);

// 关联要素表格

var FASC = document.getElementById('FASC-feature' + idIndex);

FASC && showAssociations(FASC, feature.featureAssociations);

})

$('.tree').treegrid();

document.querySelector('#groups li').classList.add('active');

document.querySelector('#tablePanel .tab-pane').classList.add('active');

}

function getLayers() {

new L.supermap.LayerInfoService(url).getLayersInfo().then(function (serviceResult) {

const chartLayers = serviceResult.result.subLayers.layers.map(function (layer) {

return layer.name;

});

var selectElement = document.getElementById('chartLayers');

for (var i = 0; i < chartLayers.length; i++) {

const optionElement = document.createElement('option');

optionElement.value = chartLayers[i];

optionElement.textContent = chartLayers[i];

selectElement.appendChild(optionElement);

}

})

}

getLayers();

function showSqlQueryResults(queryRes, queryResults) {

var allFeatures = {

features: [],

type: "FeatureCollection"

};

var featuresListEle = document.getElementById("featuresList");

var localName = featuresListEle.options[featuresListEle.selectedIndex].text;

queryResults.innerHTML = queryRes.length ? '' : resources.text_queryEmpty;

queryRes.forEach(function(recordset) {

allFeatures.features.push(...recordset.features.features);

recordset.features.features.forEach(function(feature) {

var type = feature.geometry.type;

var acronym = document.createElement('li');

acronym.addEventListener('click', addLayerAndFlyTo);

// 点击列表物标，创建图层高亮显示

function addLayerAndFlyTo() {

sqlResultLayer && map.removeLayer(sqlResultLayer);

sqlResultLayer = L.geoJSON(feature, layerStyle).addTo(map);

var bounds = sqlResultLayer.getBounds();

map.flyToBounds(bounds, {

duration:1.5

});

}

acronym.innerHTML = '<img src=' + imgSrc[type] + '></img><a data-toggle="tab">' + localName + '</a>';

queryResults.append(acronym);

})

sqlResultLayer = L.geoJSON(allFeatures, layerStyle).addTo(map);

}

function sqlQuery() {

var chartLayerNames = document.getElementById("chartLayers").value;

var featureCode = document.getElementById("featuresList").value;

var attributeFilter = document.getElementById("attributeFilter").value;

var isQueryPoint = document.getElementById("isQueryPoint").value === "true";

var isQueryLine = document.getElementById("isQueryLine").value === "true";

var isQueryRegion = document.getElementById("isQueryRegion").value === "true";

var chartQueryFilterParameter = new L.supermap.ChartQueryFilterParameter({

attributeFilter,

featureCode,

// 以下为S57参数

// chartFeatureInfoSpecCode: featureCode,

// isQueryPoint,

// isQueryLine,

// isQueryRegion

});

var chartQueryParameters = new L.supermap.ChartQueryParameters({

queryMode: "ChartAttributeQuery",

chartLayerNames: [chartLayerNames],

startRecord: 0,

expectCount: 1000,

returnContent: true,

chartQueryFilterParameters: [chartQueryFilterParameter]

});

var queryResults = document.getElementById('queryResults')

queryResults.innerHTML = resources.text_isQuerying;

sqlResultLayer && map.removeLayer(sqlResultLayer);

chartService.queryChart(chartQueryParameters).then(function (res) {

var queryRes = res?.result?.recordsets || [];

showSqlQueryResults(queryRes, queryResults);

})

}

function removeSqlRes() {

document.getElementById('queryResults').innerHTML = '';

sqlResultLayer && map.removeLayer(sqlResultLayer);

}

function S102GridQueryDebounceFun(X, Y) {

var chartWaterDepthParameter = new L.supermap.ChartWaterDepthParameter({

X: X,

Y: Y

})

chartService.getChartWaterDepth(chartWaterDepthParameter).then(function (res) {

const topDatasetQuery = res.depth;

if (topDatasetQuery) {

var content = topDatasetQuery.result;

var { datasetName, dataSourceName } = topDatasetQuery.options.scope;

var innerHTML = resources.text_Datasources + '：' + dataSourceName + "<br/>";

innerHTML += resources.text_dataset + '：' + datasetName + "<br/>";

innerHTML += resources.text_x_field + '：' + X + "<br/>";

innerHTML += resources.text_y_field + '：' + Y + "<br/>";

innerHTML += resources.text_row + '：' + content.row + "<br/>";

innerHTML += resources.text_column + '：' +content.column + "<br/>";

innerHTML += resources.text_depthValue + '：' +content.value;

overlayPopup.setContent(innerHTML);

} else {

overlayPopup.setContent(resources.text_queryEmpty);

}

}).catch(function (err) {

overlayPopup.setContent(resources.text_queryEmpty);

});

}

var S102DebouncedHandler = _.debounce(S102GridQueryDebounceFun, 100);

function S102GridQuery() {

map.on('mousemove', S102MousemoveListener)

}

function cancelS102GridQuery() {

map.closePopup();

map.off('mousemove', S102MousemoveListener);

}

function S102MousemoveListener(evt) {

var coordinate = evt.latlng;

var X = coordinate.lng;

var Y = coordinate.lat;

var innerHTML = resources.text_isQuerying;

overlayPopup.setLatLng(coordinate).setContent(innerHTML).openOn(map);

S102DebouncedHandler(X, Y);

}

function S104ClickToSelect() {

map.getContainer().style.cursor = 'crosshair';

map.on('click', S104QueryClickHandler);

}

function cancelS104ClickToSelect() {

map.getContainer().style.cursor = 'default';

map.off('click', S104QueryClickHandler);

S104ResultLayer && map.removeLayer(S104ResultLayer);

closeChart();

}

function S104QueryClickHandler(event) {

// 查找点击的水位点

var coordinate = event.latlng;

const parm = new L.supermap.ChartWaterLevelParameter({

coordinates: [coordinate.lng, coordinate.lat],

dataSource: s104dataSource,

// 数据集名称固定，可以不传

// dataset: s104dataSet,

// waterLevelDataset: s104dataSetWaterLevel,

// timeDataset: s104dataSetTime,

toIndex: -1,

expectCount: 10000

})

chartService.getWaterLevel(parm).then(function (serviceResult) {

var { stationFeature, features } = serviceResult || {};

if (stationFeature) {

// 给点击的水位点添加选择框

S104ResultLayer && map.removeLayer(S104ResultLayer);

S104ResultLayer = L.geoJSON(stationFeature, layerStyle).addTo(map);

}

if (features) {

stationFeatures = features;

chartContainer.style.display = 'block';

createEchart();

}

});

}

function createEchart() {

// 要素属性中的时间格式

var format = 'YYYYMMDDTHHmmss[Z]';

// echarts图表显示的时间格式

var displayFormat = 'M/D HH:mm';

// 查询的时间范围

var queryTime = document.querySelector('#timeOption').value;

var timeArr = queryTime.split('-');

var featuresInTimeRange = stationFeatures;

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