/// <summary> /// 更新一条数据 /// </summary> public bool Update(cn.itcast.bookshop.Model.UserInfo model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update UserInfo set "); strSql.Append("UserName=@UserName,"); strSql.Append("UserPass=@UserPass,"); strSql.Append("RegTime=@RegTime,"); strSql.Append("Email=@Email"); strSql.Append(" where ID=@ID"); SqlParameter[] parameters = { new SqlParameter("@UserName", SqlDbType.NVarChar, 32), new SqlParameter("@UserPass", SqlDbType.NVarChar, 32), new SqlParameter("@RegTime", SqlDbType.DateTime), new SqlParameter("@Email", SqlDbType.NVarChar, 32), new SqlParameter("@ID", SqlDbType.Int, 4) }; parameters[0].Value = model.UserName; parameters[1].Value = model.UserPass; parameters[2].Value = model.RegTime; parameters[3].Value = model.Email; parameters[4].Value = model.ID; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public cn.itcast.bookshop.Model.UserInfo DataRowToModel(DataRow row) { cn.itcast.bookshop.Model.UserInfo model = new cn.itcast.bookshop.Model.UserInfo(); if (row != null) { if (row["ID"] != null && row["ID"].ToString() != "") { model.ID = int.Parse(row["ID"].ToString()); } if (row["UserName"] != null) { model.UserName = row["UserName"].ToString(); } if (row["UserPass"] != null) { model.UserPass = row["UserPass"].ToString(); } if (row["RegTime"] != null && row["RegTime"].ToString() != "") { model.RegTime = DateTime.Parse(row["RegTime"].ToString()); } if (row["Email"] != null) { model.Email = row["Email"].ToString(); } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(cn.itcast.bookshop.Model.UserInfo model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into UserInfo("); strSql.Append("UserName,UserPass,RegTime,Email)"); strSql.Append(" values ("); strSql.Append("@UserName,@UserPass,@RegTime,@Email)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@UserName", SqlDbType.NVarChar, 32), new SqlParameter("@UserPass", SqlDbType.NVarChar, 32), new SqlParameter("@RegTime", SqlDbType.DateTime), new SqlParameter("@Email", SqlDbType.NVarChar, 32) }; parameters[0].Value = model.UserName; parameters[1].Value = model.UserPass; parameters[2].Value = model.RegTime; parameters[3].Value = model.Email; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 得到一个对象实体 /// </summary> public cn.itcast.bookshop.Model.UserInfo GetModel(int ID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 ID,UserName,UserPass,RegTime,Email from UserInfo "); strSql.Append(" where ID=@ID"); SqlParameter[] parameters = { new SqlParameter("@ID", SqlDbType.Int, 4) }; parameters[0].Value = ID; cn.itcast.bookshop.Model.UserInfo model = new cn.itcast.bookshop.Model.UserInfo(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }