/// <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(U_ArticleEntity entity) { if (entity.ID <= 0) { entity.ID = GetNewID(); } Dictionary <string, object> dict = new Dictionary <string, object>(); GetParameters(entity, dict); string strSQL = "insert into U_Article (" + "ID," + "Intro," + "PaginationType," + "MaxCharPerPage," + "Content," + "SEO_Keyword," + "SEO_Desc," + "SEO_Title) " + "values(" + "@ID," + "@Intro," + "@PaginationType," + "@MaxCharPerPage," + "@Content," + "@SEO_Keyword," + "@SEO_Desc," + "@SEO_Title)"; if (await Task.Run(() => _DB.ExeSQLResult(strSQL, dict))) { return(DataConverter.CLng(entity.ID)); } return(-1); }
/// <summary> /// 增加一条记录 /// </summary> /// <param name="entity">实体模型</param> /// <returns></returns> public virtual bool Add(U_ArticleEntity entity) { if (entity.ID <= 0) { entity.ID = GetNewID(); } Dictionary <string, object> dict = new Dictionary <string, object>(); GetParameters(entity, dict); string strSQL = "insert into U_Article (" + "ID," + "Intro," + "PaginationType," + "MaxCharPerPage," + "Content," + "SEO_Keyword," + "SEO_Desc," + "SEO_Title) " + "values(" + "@ID," + "@Intro," + "@PaginationType," + "@MaxCharPerPage," + "@Content," + "@SEO_Keyword," + "@SEO_Desc," + "@SEO_Title)"; return(_DB.ExeSQLResult(strSQL, dict)); }
/// <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(U_ArticleEntity entity, Dictionary <string, object> dict) { dict.Add("ID", entity.ID); dict.Add("Intro", entity.Intro); dict.Add("PaginationType", entity.PaginationType); dict.Add("MaxCharPerPage", entity.MaxCharPerPage); dict.Add("Content", entity.Content); dict.Add("SEO_Keyword", entity.SEO_Keyword); dict.Add("SEO_Desc", entity.SEO_Desc); dict.Add("SEO_Title", entity.SEO_Title); }
/// <summary> /// 通过数据读取器生成实体类 /// </summary> /// <param name="rdr"></param> /// <returns></returns> private static U_ArticleEntity GetEntityFromrdr(NullableDataReader rdr) { U_ArticleEntity info = new U_ArticleEntity(); info.ID = rdr.GetInt32("ID"); info.Intro = rdr.GetString("Intro"); info.PaginationType = rdr.GetString("PaginationType"); info.MaxCharPerPage = rdr.GetDouble("MaxCharPerPage"); info.Content = rdr.GetString("Content"); info.SEO_Keyword = rdr.GetString("SEO_Keyword"); info.SEO_Desc = rdr.GetString("SEO_Desc"); info.SEO_Title = rdr.GetString("SEO_Title"); 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 <U_ArticleEntity> GetEntityAsync(string strWhere, Dictionary <string, object> dict = null) { U_ArticleEntity obj = null; string strSQL = "select top 1 * from U_Article 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(U_ArticleEntity entity) { Dictionary <string, object> dict = new Dictionary <string, object>(); GetParameters(entity, dict); string strSQL = "Update U_Article SET " + "Intro = @Intro," + "PaginationType = @PaginationType," + "MaxCharPerPage = @MaxCharPerPage," + "Content = @Content," + "SEO_Keyword = @SEO_Keyword," + "SEO_Desc = @SEO_Desc," + "SEO_Title = @SEO_Title" + " WHERE " + "ID = @ID"; return(await Task.Run(() => _DB.ExeSQLResult(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(U_ArticleEntity 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(U_ArticleEntity entity, bool IsSave) { return(IsSave ? Add(entity) : Update(entity)); }