protectedboolUpsert(MongoCollection collection,objectobj, Guid id){if(collection.FindOneById(id) !=null)returncollection.Update(Query.EQ("_id", id),Update.Replace(obj), WriteConcern.Acknowledged).Ok;elsereturnAdd(collection, obj); } 开发者ID:pitlabcloud,项目名称:activity-cloud,代码行数:7,代码...
MongoDB中更新文档的语法是( )。A.db.find()B.db.collection.find()C.db.collection.save()D.db.collection.update()搜索 题目 MongoDB中更新文档的语法是( )。 A.db.find()B.db.collection.find()C.db.collection.save()D.db.collection.update() 答案 CD 解析...
示例1: UpdateStatus ▲点赞 9▼ privateasyncTask<MongoTodoItem> UpdateStatus(IMongoCollection<MongoTodoItem> collection, string id, bool status) {vartodo =awaitcollection.FindOneAndUpdateAsync(t=>t.Id == id, Builders<MongoTodoItem>.Update.Set(t=>t.Done, status));returntodo; } 开发者ID:Mod...