/// <summary> /// 增加一条数据 /// </summary> public int Add(SmartTeaching.Entity.Base_User model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Base_User("); strSql.Append("UserName,Userpwd,RoleId"); strSql.Append(") values ("); strSql.Append("@UserName,@Userpwd,@RoleId"); strSql.Append(") "); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@UserName", SqlDbType.VarChar, 50), new SqlParameter("@Userpwd", SqlDbType.VarChar, 32), new SqlParameter("@RoleId", SqlDbType.Int, 4) }; parameters[0].Value = model.UserName; parameters[1].Value = model.Userpwd; object obj = SqlServerHelper.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(SmartTeaching.Entity.Base_User model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Base_User set "); strSql.Append(" UserName = @UserName , "); strSql.Append(" Userpwd = @Userpwd "); strSql.Append(" RoleId = @RoleId "); strSql.Append(" where UserId=@UserId "); SqlParameter[] parameters = { new SqlParameter("@UserId", SqlDbType.Int, 4), new SqlParameter("@UserName", SqlDbType.VarChar, 50), new SqlParameter("@RoleId", SqlDbType.Int, 4), new SqlParameter("@Userpwd", SqlDbType.VarChar, 32) }; parameters[0].Value = model.UserId; parameters[1].Value = model.UserName; parameters[2].Value = model.Userpwd; int rows = SqlServerHelper.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public SmartTeaching.Entity.Base_User GetModel(int UserId) { StringBuilder strSql = new StringBuilder(); strSql.Append("select UserId, UserName, Userpwd "); strSql.Append(" from Base_User "); strSql.Append(" where UserId=@UserId"); SqlParameter[] parameters = { new SqlParameter("@UserId", SqlDbType.Int, 4) }; parameters[0].Value = UserId; SmartTeaching.Entity.Base_User model = new SmartTeaching.Entity.Base_User(); DataSet ds = SqlServerHelper.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { if (ds.Tables[0].Rows[0]["UserId"].ToString() != "") { model.UserId = int.Parse(ds.Tables[0].Rows[0]["UserId"].ToString()); } model.UserName = ds.Tables[0].Rows[0]["UserName"].ToString(); model.Userpwd = ds.Tables[0].Rows[0]["Userpwd"].ToString(); return(model); } else { return(null); } }