Entity Framework 中的in操作实例

  var listimportDataEOIResoults = importDataEOIResoults.Select(i => i.ProductSelectionId).ToList();
            var productSelections =
                _efWorker.ProductSelectionRepository.FindAll(
                    filter: ps => listimportDataEOIResoults.Contains(ps.Id));

 var productSelections =
                _efWorker.ProductSelectionRepository.FindAll(
                    filter: ps => importDataEOIResoults.Select(i => i.ProductSelectionId).ToList().Contains(ps.Id));