Esempio n. 1
0
        /// <summary>
        /// 异步批量修改数据
        /// </summary>
        /// <param name="dic">要修改的字段</param>
        /// <param name="host">mongodb连接信息</param>
        /// <param name="filter">修改条件</param>
        /// <returns></returns>
        public async Task <UpdateResult> UpdateManayAsync(string Collection, Dictionary <string, string> dic, FilterDefinition <T> filter)
        {
            try
            {
                var client = MongoDBClient <T> .GetCollectionInstance(Collection);

                T t = new T();
                //要修改的字段
                var list = new List <UpdateDefinition <T> >();
                foreach (var item in t.GetType().GetProperties())
                {
                    if (!dic.ContainsKey(item.Name))
                    {
                        continue;
                    }
                    var value = dic[item.Name];
                    list.Add(Builders <T> .Update.Set(item.Name, value));
                }
                var updatefilter = Builders <T> .Update.Combine(list);

                return(await client.UpdateManyAsync(filter, updatefilter));
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
Esempio n. 2
0
        /// <summary>
        /// 异步根据id查询一条数据
        /// </summary>
        /// <param name="host">mongodb连接信息</param>
        /// <param name="id">objectid</param>
        /// <returns></returns>
        public async Task <T> GetAsync(string Collection, string id, string[] field = null)
        {
            try
            {
                var client = MongoDBClient <T> .GetCollectionInstance(Collection);

                FilterDefinition <T> filter = Builders <T> .Filter.Eq("_id", new ObjectId(id));

                //不指定查询字段
                if (field == null || field.Length == 0)
                {
                    return(await client.Find(filter).FirstOrDefaultAsync());
                }

                //指定查询字段
                var fieldList = new List <ProjectionDefinition <T> >();
                for (int i = 0; i < field.Length; i++)
                {
                    fieldList.Add(Builders <T> .Projection.Include(field[i].ToString()));
                }
                var projection = Builders <T> .Projection.Combine(fieldList);

                fieldList?.Clear();
                return(await client.Find(filter).Project <T>(projection).FirstOrDefaultAsync());
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
Esempio n. 3
0
        /// <summary>
        /// 异步修改一条数据
        /// </summary>
        /// <param name="t">添加的实体</param>
        /// <param name="host">mongodb连接信息</param>
        /// <returns></returns>
        public async Task <UpdateResult> UpdateAsync(string Collection, T t, string id)
        {
            try
            {
                var client = MongoDBClient <T> .GetCollectionInstance(Collection);

                //修改条件
                FilterDefinition <T> filter = Builders <T> .Filter.Eq("_id", new ObjectId(id));

                //要修改的字段
                var list = new List <UpdateDefinition <T> >();
                foreach (var item in t.GetType().GetProperties())
                {
                    if (item.Name.ToLower() == "id")
                    {
                        continue;
                    }
                    list.Add(Builders <T> .Update.Set(item.Name, item.GetValue(t)));
                }
                var updatefilter = Builders <T> .Update.Combine(list);

                return(await client.UpdateOneAsync(filter, updatefilter));
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
Esempio n. 4
0
        /// <summary>
        /// 根据条件获取总数
        /// </summary>
        /// <param name="host">mongodb连接信息</param>
        /// <param name="filter">条件</param>
        /// <returns></returns>
        public long Count(string Collection, FilterDefinition <T> filter)
        {
            try
            {
                var client = MongoDBClient <T> .GetCollectionInstance(Collection);

                return(client.Count(filter));
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
Esempio n. 5
0
        /// <summary>
        /// 异步删除多条数据
        /// </summary>
        /// <param name="host">mongodb连接信息</param>
        /// <param name="filter">删除的条件</param>
        /// <returns></returns>
        public async Task <DeleteResult> DeleteManyAsync(string Collection, FilterDefinition <T> filter)
        {
            try
            {
                var client = MongoDBClient <T> .GetCollectionInstance(Collection);

                return(await client.DeleteManyAsync(filter));
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
Esempio n. 6
0
        /// <summary>
        /// 删除多条数据
        /// </summary>
        /// <param name="host">mongodb连接信息</param>
        /// <param name="filter">删除的条件</param>
        /// <returns></returns>
        public DeleteResult DeleteMany(string Collection, FilterDefinition <T> filter)
        {
            try
            {
                var client = MongoDBClient <T> .GetCollectionInstance(Collection);

                return(client.DeleteMany(filter));
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
Esempio n. 7
0
        /// <summary>
        /// 添加一条数据
        /// </summary>
        /// <param name="t">添加的实体</param>
        /// <param name="host">mongodb连接信息</param>
        /// <returns></returns>
        public T Add2(string Collection, T t)
        {
            try
            {
                var client = MongoDBClient <T> .GetCollectionInstance(Collection);

                client.InsertOne(t);
                return(t);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
Esempio n. 8
0
        /// <summary>
        /// 批量插入
        /// </summary>
        /// <param name="host">mongodb连接信息</param>
        /// <param name="t">实体集合</param>
        /// <returns></returns>
        public bool AddList(string Collection, List <T> t)
        {
            try
            {
                var client = MongoDBClient <T> .GetCollectionInstance(Collection);

                client.InsertMany(t);
                return(true);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
Esempio n. 9
0
        /// <summary>
        /// 异步添加一条数据
        /// </summary>
        /// <param name="t">添加的实体</param>
        /// <param name="host">mongodb连接信息</param>
        /// <returns></returns>
        public async Task <bool> AddAsync(string Collection, T t)
        {
            try
            {
                var client = MongoDBClient <T> .GetCollectionInstance(Collection);

                await client.InsertOneAsync(t);

                return(true);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
Esempio n. 10
0
        /// <summary>
        /// 删除一条数据
        /// </summary>
        /// <param name="host">mongodb连接信息</param>
        /// <param name="id">objectId</param>
        /// <returns></returns>
        public DeleteResult Delete(string Collection, string id)
        {
            try
            {
                var client = MongoDBClient <T> .GetCollectionInstance(Collection);

                FilterDefinition <T> filter = Builders <T> .Filter.Eq("_id", new ObjectId(id));

                return(client.DeleteOne(filter));
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
Esempio n. 11
0
        /// <summary>
        /// 异步删除一条数据
        /// </summary>
        /// <param name="host">mongodb连接信息</param>
        /// <param name="id">objectId</param>
        /// <returns></returns>
        public async Task <DeleteResult> DeleteAsync(string Collection, string id)
        {
            try
            {
                var client = MongoDBClient <T> .GetCollectionInstance(Collection);

                //修改条件
                FilterDefinition <T> filter = Builders <T> .Filter.Eq("_id", new ObjectId(id));

                return(await client.DeleteOneAsync(filter));
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
Esempio n. 12
0
        /// <summary>
        /// 分页查询集合
        /// </summary>
        /// <param name="host">mongodb连接信息</param>
        /// <param name="filter">查询条件</param>
        /// <param name="pageIndex">页码,从1开始</param>
        /// <param name="pageSize">页数据量</param>
        /// <param name="count">总条数</param>
        /// <param name="field">要查询的字段,不写时查询全部</param>
        /// <param name="sort">要排序的字段</param>
        /// <returns></returns>
        public List <T> GetList(string Collection, FilterDefinition <T> filter, int pageIndex, int pageSize, out long count, string[] field = null, SortDefinition <T> sort = null)
        {
            try
            {
                var client = MongoDBClient <T> .GetCollectionInstance(Collection);

                count = Convert.ToInt32(client.CountDocuments(filter));
                if (pageIndex < 1 || pageSize < 1)
                {
                    return(null);
                }
                //不指定查询字段
                if (field == null || field.Length == 0)
                {
                    if (sort == null)
                    {
                        return(client.Find(filter).Skip((pageIndex - 1) * pageSize).Limit(pageSize).ToList());
                    }
                    //进行排序
                    return(client.Find(filter).Sort(sort).Skip((pageIndex - 1) * pageSize).Limit(pageSize).ToList());
                }

                //指定查询字段
                var fieldList = new List <ProjectionDefinition <T> >();
                for (int i = 0; i < field.Length; i++)
                {
                    fieldList.Add(Builders <T> .Projection.Include(field[i].ToString()));
                }
                var projection = Builders <T> .Projection.Combine(fieldList);

                fieldList?.Clear();

                //不排序
                if (sort == null)
                {
                    return(client.Find(filter).Project <T>(projection).Skip((pageIndex - 1) * pageSize).Limit(pageSize).ToList());
                }

                //排序查询
                return(client.Find(filter).Sort(sort).Project <T>(projection).Skip((pageIndex - 1) * pageSize).Limit(pageSize).ToList());
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
Esempio n. 13
0
        /// <summary>
        /// 查询集合
        /// </summary>
        /// <param name="host">mongodb连接信息</param>
        /// <param name="filter">查询条件</param>
        /// <param name="field">要查询的字段,不写时查询全部</param>
        /// <param name="sort">要排序的字段</param>
        /// <returns></returns>
        public List <T> GetList(string Collection, FilterDefinition <T> filter, string[] field = null, SortDefinition <T> sort = null)
        {
            try
            {
                var client = MongoDBClient <T> .GetCollectionInstance(Collection);

                //不指定查询字段
                if (field == null || field.Length == 0)
                {
                    if (sort == null)
                    {
                        return(client.Find(filter).ToList());
                    }
                    //进行排序
                    return(client.Find(filter).Sort(sort).ToList());
                }

                //指定查询字段
                var fieldList = new List <ProjectionDefinition <T> >();
                for (int i = 0; i < field.Length; i++)
                {
                    fieldList.Add(Builders <T> .Projection.Include(field[i].ToString()));
                }
                var projection = Builders <T> .Projection.Combine(fieldList);

                fieldList?.Clear();
                if (sort == null)
                {
                    return(client.Find(filter).Project <T>(projection).ToList());
                }
                //排序查询
                return(client.Find(filter).Sort(sort).Project <T>(projection).ToList());
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }