优化地图 Popup 对象复用机制

This commit is contained in:
hym 2026-04-06 10:58:58 +08:00
parent 21949e6057
commit 8ee0db5f3a
1 changed files with 57 additions and 13 deletions

View File

@ -3,9 +3,19 @@ import { regInfo } from '@/api/dataSearch'
let sourceLayer = undefined;
let clickedLineIds = [];
// 单例 Popup用于确保地图上只有一个弹框实例
let sharedPopup = null;
// 存储可复用的每个地图对象的唯一 Popup 实例key 为 mapId以避免频繁创建/销毁 Popup 导致的性能问题和潜在内存泄漏
let sharedPopup = {};
export function setMapLayoutProperty(mapId, visibility = "none") {
// 设置所有图层的显示/隐藏状态(根据图层类型或名称过滤底图图层,避免误操作)
const layers = Vue.config.maps[mapId].getStyle().layers;
layers.forEach(layer => {
// 跳过底图
if (layer.id !== '影像地图' && layer.type !== 'raster') {
Vue.config.maps[mapId].setLayoutProperty(layer.id, 'visibility', visibility);
}
});
}
export function loadVectorLayer(layerId, features = ["line", "symbol"], colors = ["#FEFEFE", "#FF0000"], visibility = "visible", mapId = "homeMap", workspace = 'dsds', textField = "name") {
// 添加数据源
const sourceId = `vector-${layerId}`;
@ -140,6 +150,10 @@ export async function loadVectorFeature(layerId, feature, color, visibility, map
await showSampleLineInfo(`${sourceId}-${feature}`, mapId);
if (layerId.includes("sample_station"))
await showSampleStationInfo(`${sourceId}-${feature}`, mapId);
else if (sourceId.includes("-SY") || sourceId.includes("-FDZ")) {
await showDiveInfo(`${sourceId}-${feature}`, mapId);
console.log(mapId, `${sourceId}-${feature}`);
}
else
await showTrackInfo(`${sourceId}-${feature}`, mapId);
@ -415,6 +429,36 @@ export function showTrackInfo(layerId, mapId = "homeMap") {
});
}
export function showDiveInfo(layerId, mapId = "homeMap") {
Vue.config.maps[mapId].on("click", layerId, async (e) => {
// 禁止点击事件穿透 - 判断同一个 event 是否已经触发,用于避免图层内标记点注册的点击事件重复触发(点位分布密集时容易出现)
if (e.defaultPrevented)
return;
// 标记该 event 已触发,禁止点击事件穿透
if (typeof e.preventDefault === "function")
e.preventDefault();
const feature = e.features[0];
let coordinate = e.lngLat;
const description = `
<table class="popup-table" style="min-width:280px;">
<thead>
<tr>
<td colspan="2">潜次信息</td>
</tr>
</thead>
<tr>
<td colspan="2">潜次编号: <b>${feature.properties.name}</b></td>
</tr>
<tr>
<td colspan="2">created_at: <b>${feature.properties.created_at}</b></td>
</tr>
</table>`;
showPopupDetails({ mapId, coordinate, description, maxWidth: "300px" });
})
}
export function showPopupDetails({ mapId, coordinate, description, maxWidth = "300px", closeButton = true, closeOnClick = true, options = {}, callbackOnClose }) {
const map = Vue.config.maps[mapId];
if (!map)
@ -423,28 +467,29 @@ export function showPopupDetails({ mapId, coordinate, description, maxWidth = "3
const popupOptions = Object.assign({ offset: {}, className: "my-class", closeButton: closeButton, closeOnClick: closeOnClick }, options);
// 如果已有共享 popup复用并更新位置/内容;否则创建新的并绑定 close 事件以便释放引用
if (sharedPopup) {
if (sharedPopup[mapId]) {
try {
sharedPopup.setLngLat(coordinate)
sharedPopup[mapId].setLngLat(coordinate)
.setHTML(description)
.setOffset(10)
.setMaxWidth(maxWidth);
.setMaxWidth(maxWidth)
.addTo(map);
} catch (err) {
console.error("设置 popup 失败:", err);
try {
// 万一现有 popup 状态异常,移除并重新创建
sharedPopup.remove();
sharedPopup = null;
sharedPopup[mapId].remove();
sharedPopup[mapId] = null;
} catch (e) {
console.error("移除异常 popup 失败:", e);
}
sharedPopup = new window.mapboxgl.Popup(popupOptions)
sharedPopup[mapId] = new window.mapboxgl.Popup(popupOptions)
.setLngLat(coordinate)
.setHTML(description)
.setOffset(10)
.setMaxWidth(maxWidth)
.addTo(map);
sharedPopup.on('close', () => {
sharedPopup = null;
sharedPopup[mapId].on('close', () => {
// 关闭弹窗时执行回调(如有)
if (callbackOnClose && typeof callbackOnClose === "function") {
callbackOnClose();
@ -452,14 +497,13 @@ export function showPopupDetails({ mapId, coordinate, description, maxWidth = "3
});
}
} else {
sharedPopup = new window.mapboxgl.Popup(popupOptions)
sharedPopup[mapId] = new window.mapboxgl.Popup(popupOptions)
.setLngLat(coordinate)
.setHTML(description)
.setOffset(10)
.setMaxWidth(maxWidth)
.addTo(map);
sharedPopup.on('close', () => {
sharedPopup = null;
sharedPopup[mapId].on('close', () => {
// 关闭弹窗时执行回调(如有)
if (callbackOnClose && typeof callbackOnClose === "function") {
callbackOnClose();