/// <summary> /// 更新一条数据 /// </summary> public bool Update(WK.Model.tuser model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update tuser set "); strSql.Append("username=@username,"); strSql.Append("password=@password,"); strSql.Append("address=@address"); strSql.Append(" where userId=@userId "); MySqlParameter[] parameters = { new MySqlParameter("@username", MySqlDbType.VarChar, 100), new MySqlParameter("@password", MySqlDbType.VarChar, 100), new MySqlParameter("@address", MySqlDbType.VarChar, 100), new MySqlParameter("@userId", MySqlDbType.Int32, 4) }; parameters[0].Value = model.username; parameters[1].Value = model.password; parameters[2].Value = model.address; parameters[3].Value = model.userId; int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public bool Add(WK.Model.tuser model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into tuser("); strSql.Append("userId,username,password,address)"); strSql.Append(" values ("); strSql.Append("@userId,@username,@password,@address)"); MySqlParameter[] parameters = { new MySqlParameter("@userId", MySqlDbType.Int32, 4), new MySqlParameter("@username", MySqlDbType.VarChar, 100), new MySqlParameter("@password", MySqlDbType.VarChar, 100), new MySqlParameter("@address", MySqlDbType.VarChar, 100) }; parameters[0].Value = model.userId; parameters[1].Value = model.username; parameters[2].Value = model.password; parameters[3].Value = model.address; int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public WK.Model.tuser DataRowToModel(DataRow row) { WK.Model.tuser model = new WK.Model.tuser(); if (row != null) { if (row["userId"] != null && row["userId"].ToString() != "") { model.userId = int.Parse(row["userId"].ToString()); } if (row["username"] != null) { model.username = row["username"].ToString(); } if (row["password"] != null) { model.password = row["password"].ToString(); } if (row["address"] != null) { model.address = row["address"].ToString(); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public WK.Model.tuser GetModel(int userId) { StringBuilder strSql = new StringBuilder(); strSql.Append("select userId,username,password,address from tuser "); strSql.Append(" where userId=@userId "); MySqlParameter[] parameters = { new MySqlParameter("@userId", MySqlDbType.Int32, 4) }; parameters[0].Value = userId; WK.Model.tuser model = new WK.Model.tuser(); DataSet ds = DbHelperMySQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }