fix map scale

miniprogram/pages/main/journal-map/index.ts

@@ -40,6 +40,7 @@ interface JournalMapData {
 	markers: MapMarker[];
 	journals: JournalMarker[];
 	customCalloutMarkerIds: number[];
+	includePoints: Array<{ latitude: number; longitude: number }>; // 缩放视野以包含所有点
 	selectedMarker: JournalMarker | null;
 	showDetail: boolean; // 是否显示详情（控制 DOM 存在）
 	detailVisible: boolean; // 详情是否可见（控制动画）
@@ -54,6 +55,7 @@ Page({
 		markers: [],
 		journals: [],
 		customCalloutMarkerIds: [],
+		includePoints: [],
 		selectedMarker: null,
 		showDetail: false,
 		detailVisible: false,
@@ -62,37 +64,6 @@ Page({
 	async onLoad() {
 		await this.loadJournals();
 	},
-	/** 计算合适的缩放级别以显示所有标记点 */
-	calculateScale(journals: JournalMarker[]): number {
-		if (journals.length === 0) return 13;
-		if (journals.length === 1) return 15;
-
-		// 计算经纬度的范围
-		const lats = journals.map(j => j.lat);
-		const lngs = journals.map(j => j.lng);
-		const minLat = Math.min(...lats);
-		const maxLat = Math.max(...lats);
-		const minLng = Math.min(...lngs);
-		const maxLng = Math.max(...lngs);
-
-		// 计算跨度
-		const latSpan = maxLat - minLat;
-		const lngSpan = maxLng - minLng;
-		const maxSpan = Math.max(latSpan, lngSpan);
-
-		// 根据跨度映射到缩放级别（scale 范围 3-20）
-		if (maxSpan > 10) return 5;
-		if (maxSpan > 5) return 7;
-		if (maxSpan > 2) return 9;
-		if (maxSpan > 1) return 10;
-		if (maxSpan > .5) return 11;
-		if (maxSpan > .2) return 12;
-		if (maxSpan > .1) return 13;
-		if (maxSpan > .05) return 14;
-		if (maxSpan > .02) return 15;
-		if (maxSpan > .01) return 16;
-		return 17;
-	},
 	/** 加载所有记录 */
 	async loadJournals() {
 		this.setData({ isLoading: true });
@@ -167,8 +138,11 @@ Page({
 			// 计算中心点（所有标记的平均位置）
 			const centerLat = journals.reduce((sum, j) => sum + j.lat, 0) / journals.length;
 			const centerLng = journals.reduce((sum, j) => sum + j.lng, 0) / journals.length;
-			// 计算合适的缩放级别
-			const scale = this.calculateScale(journals) - 2;
+			// 缩放视野以包含所有标记点
+			const includePoints = journals.map((j) => ({
+				latitude: j.lat,
+				longitude: j.lng
+			}));
 
 			this.setData({
 				journals,
@@ -176,7 +150,7 @@ Page({
 				customCalloutMarkerIds,
 				centerLat,
 				centerLng,
-				scale,
+				includePoints,
 				isLoading: false
 			});
 		} catch (err: any) {

miniprogram/pages/main/journal-map/index.wxml

@@ -8,6 +8,7 @@
 		longitude="{{centerLng}}"
 		scale="{{scale}}"
 		markers="{{markers}}"
+		include-points="{{includePoints}}"
 		bindmarkertap="onMarkerTap"
 		bindcallouttap="onCalloutTap"
 	>