/// <summary> /// 把实体类转换成键/值对集合 /// </summary> /// <param name="entity"></param> /// <param name="dict"></param> private static void GetParameters(SurveyVoteEntity entity, Dictionary <string, object> dict) { dict.Add("ID", entity.ID); dict.Add("SurveyID", entity.SurveyID); dict.Add("QuestionID", entity.QuestionID); dict.Add("OptionID", entity.OptionID); dict.Add("VoteAmount", entity.VoteAmount); }
/// <summary> /// 通过数据读取器生成实体类 /// </summary> /// <param name="rdr"></param> /// <returns></returns> private static SurveyVoteEntity GetEntityFromrdr(NullableDataReader rdr) { SurveyVoteEntity info = new SurveyVoteEntity(); info.ID = rdr.GetInt32("ID"); info.SurveyID = rdr.GetInt32("SurveyID"); info.QuestionID = rdr.GetInt32("QuestionID"); info.OptionID = rdr.GetInt32("OptionID"); info.VoteAmount = rdr.GetInt32("VoteAmount"); return(info); }
/// <summary> /// 获取实体(异步方式) /// </summary> /// <param name="strWhere">参数化查询条件(例如: and Name = @Name )</param> /// <param name="dict">参数的名/值集合</param> /// <returns></returns> public virtual async Task <SurveyVoteEntity> GetEntityAsync(string strWhere, Dictionary <string, object> dict = null) { SurveyVoteEntity obj = null; string strSQL = "select top 1 * from SurveyVote where 1=1 " + strWhere; using (NullableDataReader reader = await Task.Run(() => _DB.GetDataReader(strSQL, dict))) { if (reader.Read()) { obj = GetEntityFromrdr(reader); } } return(obj); }
/// <summary> /// 更新一条记录(异步方式) /// </summary> /// <param name="entity">实体模型</param> /// <returns></returns> public virtual async Task <bool> UpdateAsync(SurveyVoteEntity entity) { Dictionary <string, object> dict = new Dictionary <string, object>(); GetParameters(entity, dict); string strSQL = "Update SurveyVote SET " + "SurveyID = @SurveyID," + "QuestionID = @QuestionID," + "OptionID = @OptionID," + "VoteAmount = @VoteAmount" + " WHERE " + "ID = @ID"; return(await Task.Run(() => _DB.ExeSQLResult(strSQL, dict))); }
/// <summary> /// 增加一条记录,返回新的ID号。需要有一个单一主键,并且开启有标识符属性(异步方式) /// </summary> /// <param name="entity">实体模型</param> /// <returns></returns> public virtual async Task <int> InsertAsync(SurveyVoteEntity entity) { Dictionary <string, object> dict = new Dictionary <string, object>(); GetParameters(entity, dict); string strSQL = "insert into SurveyVote (" + "SurveyID," + "QuestionID," + "OptionID," + "VoteAmount) " + "values(" + "@SurveyID," + "@QuestionID," + "@OptionID," + "@VoteAmount)"; return(await Task.Run(() => _DB.ReturnID(strSQL, dict))); }
/// <summary> /// 增加一条记录,返回新的ID号。需要有一个单一主键,并且开启有标识符属性 /// </summary> /// <param name="entity">实体模型</param> /// <returns></returns> public virtual int Insert(SurveyVoteEntity entity) { Dictionary <string, object> dict = new Dictionary <string, object>(); GetParameters(entity, dict); string strSQL = "insert into SurveyVote (" + "SurveyID," + "QuestionID," + "OptionID," + "VoteAmount) " + "values(" + "@SurveyID," + "@QuestionID," + "@OptionID," + "@VoteAmount)"; return(_DB.ReturnID(strSQL, dict)); }
/// <summary> /// 增加或更新一条记录(异步方式) /// </summary> /// <param name="entity">实体模型</param> /// <param name="IsSave">是否增加</param> /// <returns></returns> public virtual async Task <bool> AddOrUpdateAsync(SurveyVoteEntity entity, bool IsSave) { return(IsSave ? await AddAsync(entity) : await UpdateAsync(entity)); }
/// <summary> /// 增加或更新一条记录 /// </summary> /// <param name="entity">实体模型</param> /// <param name="IsSave">是否增加</param> /// <returns></returns> public virtual bool AddOrUpdate(SurveyVoteEntity entity, bool IsSave) { return(IsSave ? Add(entity) : Update(entity)); }