Function useCurrentLocation

frontend/src/App.tsx:463–496

()

  }

  async function useCurrentLocation() {
    if (!navigator.geolocation) {
      setMessage("当前浏览器不支持定位。");
      return;
    }
    setSearching(true);
    setMessage("正在获取当前位置...");
    navigator.geolocation.getCurrentPosition(
      async (position) => {
        try {
          const { latitude, longitude, accuracy } = position.coords;
          const converted = await api.convertGeo({ lat: latitude, lng: longitude });
          const next = {
            name: `当前位置 ${new Date().toLocaleTimeString("zh-CN", { hour: "2-digit", minute: "2-digit" })}`,
            lat: converted.map_lat,
            lng: converted.map_lng,
            address: `定位精度约 ${Math.round(accuracy)} 米`,
            source: "gps" as const,
          };
          applyPlace(next);
          setMessage(`已使用当前位置，定位精度约 ${Math.round(accuracy)} 米。`);
        } catch (err) {
          setMessage(String(err));
        } finally {
          setSearching(false);
        }
      },
      (err) => {
        setMessage(`定位失败：${err.message}`);
        setSearching(false);
      },
      { enableHighAccuracy: true, maximumAge: 5000, timeout: 15000 }
    );
  }

  async function create() {
    if (!canCreate) {