Merge pull request #21 from xyq10612/master

Fix bug: mongodb查询结果未判空，导致反序列化异常
jarjin · Feb 21, 2021 · eb3a59d · eb3a59d
2 parents 5e37156 + 20616bf
commit eb3a59d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/FirServer/FirServer/Utility/MongoHelper.cs b/FirServer/FirServer/Utility/MongoHelper.cs
@@ -132,7 +132,7 @@ public T SelectOne<T>(string collectionName, ProjectionDefinition<T> projection,
             }
             var collection = mDatabase.GetCollection<T>(collectionName);
             var result = collection.Find(filter).Project(projection).FirstOrDefault();
-            return BsonSerializer.Deserialize<T>(result);
+            return result != null ? BsonSerializer.Deserialize<T>(result) : default(T);
         }
 
         public async Task<List<T>> SelectAsync<T>(string collectionName, Expression<Func<T, bool>> filter)