예제 #1
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 static async Task <T> FindOneAsync(MongodbHost host, string id, string[] field = null)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

                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());
                }

                //制定查询字段
                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;
            }
        }
예제 #2
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 static async Task <UpdateResult> UpdateManayAsync(MongodbHost host, Dictionary <string, string> dic, FilterDefinition <T> filter)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

                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;
            }
        }
예제 #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 static async Task <UpdateResult> UpdateAsync(MongodbHost host, T t, string id)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

                //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;
            }
        }
예제 #4
0
        /// <summary>
        /// 异步根据条件获取总数
        /// </summary>
        /// <param name="host">mongodb连接信息</param>
        /// <param name="filter">条件</param>
        /// <returns></returns>
        public static async Task <long> CountAsync(MongodbHost host, FilterDefinition <T> filter)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

                return(await client.CountAsync(filter));
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
예제 #5
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 static long Count(MongodbHost host, FilterDefinition <T> filter)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

                return(client.Count(filter));
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
예제 #6
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 static async Task <DeleteResult> DeleteManyAsync(MongodbHost host, FilterDefinition <T> filter)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

                return(await client.DeleteManyAsync(filter));
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
예제 #7
0
        /// <summary>
        /// 删除一条数据
        /// </summary>
        /// <param name="host">mongodb连接信息</param>
        /// <param name="filter">删除的条件</param>
        /// <returns></returns>
        public static DeleteResult DeleteMany(MongodbHost host, FilterDefinition <T> filter)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

                return(client.DeleteMany(filter));
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
예제 #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 static int InsertMany(MongodbHost host, List <T> t)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

                client.InsertMany(t);
                return(1);
            }
            catch (Exception ex)
            {
                return(0);
            }
        }
예제 #9
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 static int Add(MongodbHost host, T t)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

                client.InsertOne(t);
                return(1);
            }
            catch
            {
                return(0);
            }
        }
예제 #10
0
        /// <summary>
        /// 异步批量插入
        /// </summary>
        /// <param name="host">mongodb连接信息</param>
        /// <param name="t">实体集合</param>
        /// <returns></returns>
        public static async Task <int> InsertManyAsync(MongodbHost host, List <T> t)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

                await client.InsertManyAsync(t);

                return(1);
            }
            catch
            {
                return(0);
            }
        }
예제 #11
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 static DeleteResult Delete(MongodbHost host, string id)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

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

                return(client.DeleteOne(filter));
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
예제 #12
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 static async Task <DeleteResult> DeleteAsync(MongodbHost host, string id)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

                //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;
            }
        }
예제 #13
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">当前页</param>
        /// <param name="pageSize">页容量</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 static List <T> FindListByPage(MongodbHost host, FilterDefinition <T> filter, int pageIndex, int pageSize, out long count, string[] field = null, SortDefinition <T> sort = null)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

                count = client.Count(filter);
                //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());
                }

                //制定查询字段
                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;
            }
        }
예제 #14
0
        /// <summary>
        /// 异步查询集合
        /// </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 static async Task <List <T> > FindListAsync(MongodbHost host, FilterDefinition <T> filter, string[] field = null, SortDefinition <T> sort = null)
        {
            try
            {
                var client = MongodbClient <T> .MongodbInfoClient(host);

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

                //制定查询字段
                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(await client.Find(filter).Project <T>(projection).ToListAsync());
                }
                //排序查询
                return(await client.Find(filter).Sort(sort).Project <T>(projection).ToListAsync());
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }