/// <summary> /// 增加一条数据 /// </summary> public int Add(CollectEntity model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into sns_collect("); strSql.Append("UserId,ArticleId,ClassId,AddTime,Status)"); strSql.Append(" values ("); strSql.Append("@UserId,@ArticleId,@ClassId,@AddTime,@Status)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@UserId", SqlDbType.VarChar, 50), new SqlParameter("@ArticleId", SqlDbType.VarChar, 50), new SqlParameter("@ClassId", SqlDbType.VarChar, 50), new SqlParameter("@AddTime", SqlDbType.DateTime, 8), new SqlParameter("@Status", SqlDbType.Int, 4) }; parameters[0].Value = model.UserId; parameters[1].Value = model.ArticleId; parameters[2].Value = model.ClassId; parameters[3].Value = model.AddTime; parameters[4].Value = model.Status; object obj = SqlHelper.Instance.ExecSqlScalar(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
public async Task <long> CollectAsync(long userId, long taskId, bool isCollect) { using (MyDbContext dbc = new MyDbContext()) { if (isCollect) { if ((await dbc.GetIdAsync <CollectEntity>(c => c.UserId == userId && c.TaskId == taskId)) > 0) { return(-1); } CollectEntity collect = new CollectEntity(); collect.TaskId = taskId; collect.UserId = userId; dbc.Collects.Add(collect); await dbc.SaveChangesAsync(); return(collect.Id); } else { if ((await dbc.GetIdAsync <CollectEntity>(c => c.UserId == userId && c.TaskId == taskId)) <= 0) { return(-2); } CollectEntity collect = await dbc.GetAll <CollectEntity>().SingleOrDefaultAsync(c => c.UserId == userId && c.TaskId == taskId); dbc.Collects.Remove(collect); await dbc.SaveChangesAsync(); return(1); } } }
/// <summary> /// 得到一个对象实体 /// </summary> public CollectEntity DataRowToModel(DataRow row) { CollectEntity model = new CollectEntity(); if (row != null) { if (row["Id"] != null && row["Id"].ToString() != "") { model.Id = int.Parse(row["Id"].ToString()); } if (row["UserId"] != null) { model.UserId = row["UserId"].ToString(); } if (row["ArticleId"] != null) { model.ArticleId = row["ArticleId"].ToString(); } if (row["ClassId"] != null) { model.ClassId = row["ClassId"].ToString(); } if (row["AddTime"] != null && row["AddTime"].ToString() != "") { model.AddTime = DateTime.Parse(row["AddTime"].ToString()); } if (row["Status"] != null && row["Status"].ToString() != "") { model.Status = int.Parse(row["Status"].ToString()); } } return(model); }
public object AddCollect(string uid, string aid, string cid) { if (string.IsNullOrEmpty(uid) || string.IsNullOrEmpty(aid) || string.IsNullOrEmpty(cid)) { return(new KeyValuePair <string, string>("status", "403")); //参数不齐 } //判断是否存在记录 string strWhere = $"1=1 and userid='{uid}' and articleid='{aid}' and classid='{cid}'"; DataTable dt = CollectBll.Instance.GetList(strWhere).Tables[0]; if (dt.Rows.Count > 0) { if (dt.Rows[0]["status"].ToString() == "1") { CollectEntity ce = CollectBll.Instance.GetModel(int.Parse(dt.Rows[0]["id"].ToString())); ce.Status = 0; CollectBll.Instance.Update(ce); return(new Dictionary <string, string> { { "status", "200" }, { "iskeep", "0" } }); //成功收藏 } else { CollectEntity ce = CollectBll.Instance.GetModel(int.Parse(dt.Rows[0]["id"].ToString())); ce.Status = 1; CollectBll.Instance.Update(ce); return(new Dictionary <string, string> { { "status", "200" }, { "iskeep", "1" } }); //成功收藏 } } CollectEntity collectEntity = new CollectEntity { UserId = System.Web.HttpUtility.JavaScriptStringEncode(uid), ArticleId = System.Web.HttpUtility.JavaScriptStringEncode(aid), ClassId = System.Web.HttpUtility.JavaScriptStringEncode(cid), AddTime = DateTime.Now }; if (CollectBll.Instance.Add(collectEntity) > 0) { return(new Dictionary <string, string> { { "status", "200" }, { "iskeep", "1" } }); //成功收藏 } else { return(new Dictionary <string, string> { { "status", "500" } }); //成功收藏 } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(CollectEntity model) { try { return(CollectDb.Instance.Update(model)); } catch (System.Exception ex) { WriteLog.WriteError(ex); throw ex; } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(CollectEntity model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update sns_collect set "); strSql.Append("UserId=@UserId,"); strSql.Append("ArticleId=@ArticleId,"); strSql.Append("ClassId=@ClassId,"); strSql.Append("AddTime=@AddTime,"); strSql.Append("Status=@Status"); strSql.Append(" where Id=@Id"); SqlParameter[] parameters = { new SqlParameter("@UserId", SqlDbType.VarChar, 50), new SqlParameter("@ArticleId", SqlDbType.VarChar, 50), new SqlParameter("@ClassId", SqlDbType.VarChar, 50), new SqlParameter("@AddTime", SqlDbType.DateTime, 8), new SqlParameter("@Status", SqlDbType.Int, 4), new SqlParameter("@Id", SqlDbType.Int, 4) }; parameters[0].Value = model.UserId; parameters[1].Value = model.ArticleId; parameters[2].Value = model.ClassId; parameters[3].Value = model.AddTime; parameters[4].Value = model.Status; parameters[5].Value = model.Id; int rows = SqlHelper.Instance.ExecSqlNonQuery(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public CollectEntity GetModel(int Id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 Id,UserId,ArticleId,ClassId,AddTime,Status from sns_collect "); strSql.Append(" where Id=@Id"); SqlParameter[] parameters = { new SqlParameter("@Id", SqlDbType.Int, 4) }; parameters[0].Value = Id; CollectEntity model = new CollectEntity(); DataSet ds = SqlHelper.Instance.ExecSqlDataSet(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }