萤石摄像头
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@ -5,25 +5,26 @@
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* 用于将大量数据分批发送到后端,避免单次请求数据过大导致失败。
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* 支持设置每批数据大小、批次间延迟、上传函数和完成回调。
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*/
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/**
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* BatchUploader 批量上传工具类(安全简洁版)
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* 用于将大量数据分批上传,避免一次性请求数据过大导致失败。
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*/
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export class BatchUploader<T> {
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private dataList: T[]; // 需要上传的数据列表
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private chunkSize: number; // 每批上传的条数
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private delay: number; // 每批上传之间的延迟时间(单位:毫秒)
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private uploadFunc: (chunk: T[], batchIndex: number, totalBatches: number) => Promise<void>; // 每一批次的上传函数
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private onComplete?: () => void; // 所有批次完成后的回调函数(可选)
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private dataList: T[];
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private chunkSize: number;
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private delay: number;
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private uploadFunc: (chunk: T[], batchIndex: number, totalBatches: number) => Promise<void>;
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private onComplete?: () => void;
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/**
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* 构造函数,初始化批量上传器
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* @param options 配置参数
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*/
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constructor(options: {
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dataList: T[]; // 待上传的数据
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chunkSize?: number; // 每批数据大小(默认 8000)
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delay?: number; // 每批之间的延迟(默认 200ms)
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uploadFunc: (chunk: T[], batchIndex: number, totalBatches: number) => Promise<void>; // 上传逻辑函数
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onComplete?: () => void; // 所有批次完成后的回调函数(可选)
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dataList: T[]; // 统一使用一维数组类型
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chunkSize?: number;
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delay?: number;
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uploadFunc: (chunk: T[], batchIndex: number, totalBatches: number) => Promise<void>;
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onComplete?: () => void;
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}) {
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const { dataList, chunkSize = 8000, delay = 200, uploadFunc, onComplete } = options;
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this.dataList = dataList;
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this.chunkSize = chunkSize;
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this.delay = delay;
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@ -31,32 +32,25 @@ export class BatchUploader<T> {
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this.onComplete = onComplete;
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}
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/**
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* 启动批量上传任务
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*/
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public async start() {
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const total = Math.ceil(this.dataList.length / this.chunkSize); // 计算总批次数
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const total = Math.ceil(this.dataList.length / this.chunkSize);
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// 循环执行每一批上传任务
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for (let i = 0; i < total; i++) {
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// 截取当前批次的数据
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const chunk = this.dataList.slice(i * this.chunkSize, (i + 1) * this.chunkSize);
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// 调用传入的上传函数处理该批次数据
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console.log(`正在上传第 ${i + 1}/${total} 批,chunk 大小: ${chunk.length}`);
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await this.uploadFunc(chunk, i + 1, total);
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// 如果不是最后一批,添加延迟
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if (this.delay > 0 && i + 1 < total) {
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await new Promise((res) => setTimeout(res, this.delay));
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}
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}
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// 所有批次上传完成后,执行完成回调(如果有的话)
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this.onComplete?.();
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}
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}
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//使用示例
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// const uploader = new BatchUploader({
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// dataList: features,
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@ -70,4 +64,4 @@ export class BatchUploader<T> {
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// }
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// });
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// await uploader.start();
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// await uploader.start();
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@ -24,11 +24,7 @@ export class LassoSelector {
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private dragPanInteraction: DragPan | null = null;
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private mouseWheelZoomInteraction: MouseWheelZoom | null = null;
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constructor(
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map: OLMap,
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targetSource: VectorSource,
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onSelect: (selected: Feature[], isInvert?: boolean) => void
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) {
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constructor(map: OLMap, targetSource: VectorSource, onSelect: (selected: Feature[], isInvert?: boolean) => void) {
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this.map = map;
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this.targetSource = targetSource;
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this.onSelectCallback = onSelect;
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@ -50,9 +46,9 @@ export class LassoSelector {
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style: new Style({
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stroke: new Stroke({
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color: '#ff0000',
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width: 2,
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}),
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}),
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width: 2
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})
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})
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});
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this.map.addLayer(this.drawLayer);
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@ -62,12 +58,12 @@ export class LassoSelector {
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style: new Style({
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stroke: new Stroke({
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color: 'rgba(255, 0, 0, 0.8)',
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width: 2,
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width: 2
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}),
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fill: new Fill({
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color: 'rgba(255, 0, 0, 0.3)',
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}),
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}),
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color: 'rgba(255, 0, 0, 0.3)'
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})
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})
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});
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this.map.addLayer(this.overlayLayer);
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@ -177,13 +173,10 @@ export class LassoSelector {
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const geomObj = geojson.writeGeometryObject(geom, {
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featureProjection: 'EPSG:3857',
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dataProjection: 'EPSG:4326',
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dataProjection: 'EPSG:4326'
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}) as any;
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if (
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(geomObj.type === 'Polygon' || geomObj.type === 'MultiPolygon') &&
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booleanIntersects(turfPoly, geomObj)
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) {
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if ((geomObj.type === 'Polygon' || geomObj.type === 'MultiPolygon') && booleanIntersects(turfPoly, geomObj)) {
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selected.push(feature);
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}
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});
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