/// <summary> /// 根据系统名称查询客户端白名单 /// </summary> /// <param name="systemName"></param> /// <returns></returns> public async Task <ClientWhitelist> QueryBySystemName(string systemName) { ClientWhitelist result = null; await DBTransactionHelper.SqlTransactionWorkAsync(DBTypes.SqlServer, true, false, _dbConnectionFactory.CreateReadForWhitelistPolicy(), async (conn, transaction) => { SqlTransaction sqlTran = null; if (transaction != null) { sqlTran = (SqlTransaction)transaction; } using (SqlCommand commond = new SqlCommand() { Connection = (SqlConnection)conn, CommandType = CommandType.Text, CommandText = string.Format(@"select {0} from [ClientWhiteList] where [systemname]=@systemname", StoreHelper.GetClientWhitelistStoreSelectFields(string.Empty)), Transaction = sqlTran }) { var parameter = new SqlParameter("@systemname", SqlDbType.NVarChar, 500) { Value = systemName }; commond.Parameters.Add(parameter); commond.Prepare(); SqlDataReader reader = null; using (reader = await commond.ExecuteReaderAsync()) { if (await reader.ReadAsync()) { result = new ClientWhitelist(); StoreHelper.SetClientWhitelistStoreSelectFields(result, reader, string.Empty); } reader.Close(); } } }); return(result); }
/// <summary> /// 分页查询匹配系统名称客户端白名单 /// </summary> /// <param name="page"></param> /// <param name="pageSize"></param> /// <param name="systemName"></param> /// <returns></returns> public async Task <QueryResult <ClientWhitelist> > QueryByPage(int page, int pageSize, string systemName) { QueryResult <ClientWhitelist> result = new QueryResult <ClientWhitelist>(); await DBTransactionHelper.SqlTransactionWorkAsync(DBTypes.SqlServer, true, false, _dbConnectionFactory.CreateReadForWhitelistPolicy(), async (conn, transaction) => { SqlTransaction sqlTran = null; if (transaction != null) { sqlTran = (SqlTransaction)transaction; } using (SqlCommand commond = new SqlCommand() { Connection = (SqlConnection)conn, CommandType = CommandType.Text, CommandText = string.Format(@"SET @currentpage = @page; SELECT @count = COUNT(*) FROM [ClientWhiteList] WHERE [systemname] LIKE @systemname; IF @pagesize * @page >= @count BEGIN SET @currentpage = @count / @pagesize; IF @count % @pagesize <> 0 BEGIN SET @currentpage = @currentpage + 1; END; IF @currentpage = 0 SET @currentpage = 1; END; ELSE IF @page < 1 BEGIN SET @currentpage = 1; END; SELECT {0} FROM [ClientWhiteList] WHERE [systemname] LIKE @systemname ORDER BY sequence OFFSET (@pagesize * (@currentpage - 1)) ROWS FETCH NEXT @pagesize ROWS ONLY;", StoreHelper.GetClientWhitelistStoreSelectFields(string.Empty)), Transaction = sqlTran }) { var parameter = new SqlParameter("@page", SqlDbType.Int) { Value = page }; commond.Parameters.Add(parameter); parameter = new SqlParameter("@pagesize", SqlDbType.Int) { Value = pageSize }; commond.Parameters.Add(parameter); parameter = new SqlParameter("@count", SqlDbType.Int) { Direction = ParameterDirection.Output }; commond.Parameters.Add(parameter); parameter = new SqlParameter("@currentpage", SqlDbType.Int) { Direction = ParameterDirection.Output }; commond.Parameters.Add(parameter); parameter = new SqlParameter("@systemname", SqlDbType.NVarChar, 100) { Value = $"{systemName.ToSqlLike()}%" }; commond.Parameters.Add(parameter); commond.Prepare(); SqlDataReader reader = null; using (reader = await commond.ExecuteReaderAsync()) { while (await reader.ReadAsync()) { var clientWhitelist = new ClientWhitelist(); StoreHelper.SetClientWhitelistStoreSelectFields(clientWhitelist, reader, string.Empty); result.Results.Add(clientWhitelist); } reader.Close(); result.TotalCount = (int)commond.Parameters["@count"].Value; result.CurrentPage = (int)commond.Parameters["@currentpage"].Value; } } }); return(result); }