Return LocalForage 承诺

Return LocalForage Promise

我想知道如何 return 此查询中的 token

 function inspectionResource($resource, $localForage) {
    return $resource("https://blah.org.uk/inspection/v1/:fieldofficernumber/booked", {fieldofficernumber:'@fieldofficernumber'}, {
        'query': {
            method: 'get',
            isArray: true,
            headers: { 'Authorization': 'Bearer ' + $localForage.getItem("token") }
        }
    });
}

我不确定如何在 headers 中使用 .then(function(value){}

return localForage.getItem("token").then(function (token) {
  return $resource(...);
});