Function searchPlaces

frontend/src/App.tsx:422–461

()

  }

  async function searchPlaces() {
    const keyword = query.trim();
    if (!keyword) {
      setMessage("先输入学校、公园、商场或街区名称。");
      return;
    }
    setSearching(true);
    setMessage("");
    try {
      const AMap = await loadAmap(config, ["AMap.PlaceSearch"]);
      const placeSearch = new AMap.PlaceSearch({
        city: "全国",
        pageSize: 8,
        pageIndex: 1,
        extensions: "base",
      });
      const result = await new Promise<any>((resolve, reject) => {
        placeSearch.search(keyword, (status: string, data: any) => {
          if (status === "complete") resolve(data);
          else reject(new Error("地点搜索失败，请换个关键词。"));
        });
      });
      const pois = result?.poiList?.pois || [];
      const items = pois
        .filter((poi: any) => poi.location)
        .map((poi: any) => ({
          id: String(poi.id || `${poi.name}-${poi.location.lng}-${poi.location.lat}`),
          name: String(poi.name),
          address: [poi.cityname, poi.adname, poi.address].filter(Boolean).join(" · "),
          lat: Number(poi.location.lat),
          lng: Number(poi.location.lng),
        }));
      setSuggestions(items);
      if (items.length === 0) setMessage("没搜到地点，试试更完整的名称。");
    } catch (err) {
      setMessage(String(err));
    } finally {
      setSearching(false);
    }
  }

  async function useCurrentLocation() {
    if (!navigator.geolocation) {