#pragma mark - UISearchBarDelegate

// 输入回调
- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText {
        [self searchPoiInfoWithKey:searchText];
}
// 确认检索
- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar {
        [self searchPoiInfoWithKey:searchBar.text];
}
/** 根据输入发送检索. */
- (void)searchPoiInfoWithKey:(NSString *)key {
    if (key.length == 0) return;
    BMKPOICitySearchOption *option = [BMKPOICitySearchOption new];
    option.keyword = key;
    option.city = @"北京市";
    option.isCityLimit = YES;
    
    BMKPoiSearch *search = [BMKPoiSearch new];
    search.delegate = self;
    [search poiSearchInCity:option];

}

#pragma mark - BMKPoiSearchDelegate

/** 返回POI搜索结果. */
- (void)onGetPoiResult:(BMKPoiSearch*)searcher result:(BMKPOISearchResult*)poiResult errorCode:(BMKSearchErrorCode)errorCode {
    if (errorCode ==  BMK_SEARCH_NO_ERROR) {
        self.poiList = [poiResult.poiInfoList copy];
        __weak typeof(self) weakSelf = self;
        // 取到检索结果，刷新tableView界面
        dispatch_async(dispatch_get_main_queue(), ^{
            [weakSelf.tableView reloadData];
        });
    }
}