fix: 首页“故障报警”列表点击查看后定位到地图的点位居中问题修复

src/components/TongzhouTrafficMap.vue

@@ -827,7 +827,8 @@ export default {
       if (!this.infoWindow) {
         this.infoWindow = new this.AMap.InfoWindow({
           isCustom: true,
-          offset: new this.AMap.Pixel(0, -20)
+          offset: new this.AMap.Pixel(0, -20),
+          autoMove: false // 防止弹窗自动平移导致的中心点偏移
         });
       }
 
@@ -934,27 +935,55 @@ export default {
     },
 
     focusByLocation(targetPos) {
-      if (!this.isMapReady() || !targetPos || targetPos.length !== 2) return;
+      if (!this.isMapReady() || !targetPos) return;
 
-      let foundMarker = null;
+      // 如果是字符串坐标 "lng,lat"，则解析
+      let pos = targetPos;
+      if (typeof targetPos === 'string') {
+        pos = targetPos.split(',').map(Number);
+      }
+      if (!Array.isArray(pos) || pos.length < 2) return;
+
+      const [targetLng, targetLat] = pos;
+      let bestMarker = null;
+      let minDistanceSq = Infinity;
+
+      // 遍历所有路由组，寻找离坐标点最近的标记
       Object.values(this.routeGroups).forEach(group => {
-        const marker = group.find(item => {
-          if (!(item instanceof this.AMap.Marker)) return false;
-          const pos = item.getExtData().position;
-          return Math.abs(pos[0] - targetPos[0]) < 0.0001 && Math.abs(pos[1] - targetPos[1]) < 0.0001;
+        if (!Array.isArray(group)) return;
+        group.forEach(item => {
+          if (!(item instanceof this.AMap.Marker)) return;
+          const markerExt = item.getExtData();
+          const markerPos = markerExt.position;
+          if (!markerPos) return;
+
+          const dx = markerPos[0] - targetLng;
+          const dy = markerPos[1] - targetLat;
+          const distSq = dx * dx + dy * dy;
+          
+          // 容差范围内（约 20 米），寻找最接近的点
+          if (distSq < 0.000001) {
+            // 优先规则：如果距离相同或非常接近，优先选择异常状态点（离线/降级/故障）
+            const isAbnormal = ["离线", "降级", "故障"].includes(markerExt.name);
+            const currentIsAbnormal = bestMarker ? ["离线", "降级", "故障"].includes(bestMarker.getExtData().name) : false;
+            
+            if (distSq < minDistanceSq || (isAbnormal && !currentIsAbnormal)) {
+              minDistanceSq = distSq;
+              bestMarker = item;
+            }
+          }
         });
-        if (marker) foundMarker = marker;
       });
 
-      if (foundMarker) {
-        const finalPos = foundMarker.getPosition();
+      if (bestMarker) {
+        const finalPos = bestMarker.getPosition();
         this.map.setZoomAndCenter(17, finalPos, false, 500);
         setTimeout(() => {
-          if (!this.isComponentDestroyed) this.openLightInfo(foundMarker.getExtData(), finalPos);
+          if (!this.isComponentDestroyed) this.openLightInfo(bestMarker.getExtData(), finalPos);
         }, 600);
       } else {
         // 如果找不到对应的标记，直接使用传入的坐标设置地图中心
-        this.map.setZoomAndCenter(17, targetPos, false, 500);
+        this.map.setZoomAndCenter(17, [targetLng, targetLat], false, 500);
       }
     },