/// <summary> /// 将对象转换为实体 /// </summary> public Model.user_attach_log DataRowToModel(DataRow row) { Model.user_attach_log model = new Model.user_attach_log(); if (row != null) { if (row["id"] != null && row["id"].ToString() != "") { model.id = int.Parse(row["id"].ToString()); } if (row["user_id"] != null && row["user_id"].ToString() != "") { model.user_id = int.Parse(row["user_id"].ToString()); } if (row["user_name"] != null) { model.user_name = row["user_name"].ToString(); } if (row["attach_id"] != null && row["attach_id"].ToString() != "") { model.attach_id = int.Parse(row["attach_id"].ToString()); } if (row["file_name"] != null) { model.file_name = row["file_name"].ToString(); } if (row["add_time"] != null && row["add_time"].ToString() != "") { model.add_time = DateTime.Parse(row["add_time"].ToString()); } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(Model.user_attach_log model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into " + databaseprefix + "user_attach_log("); strSql.Append("user_id,user_name,attach_id,file_name,add_time)"); strSql.Append(" values ("); strSql.Append("@user_id,@user_name,@attach_id,@file_name,@add_time)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@user_id", SqlDbType.Int, 4), new SqlParameter("@user_name", SqlDbType.NVarChar, 100), new SqlParameter("@attach_id", SqlDbType.Int, 4), new SqlParameter("@file_name", SqlDbType.NVarChar, 255), new SqlParameter("@add_time", SqlDbType.DateTime) }; parameters[0].Value = model.user_id; parameters[1].Value = model.user_name; parameters[2].Value = model.attach_id; parameters[3].Value = model.file_name; parameters[4].Value = model.add_time; object obj = DbHelperSQL.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(Model.user_attach_log model) { StringBuilder strSql = new StringBuilder(); StringBuilder str1 = new StringBuilder(); //利用反射获得属性的所有公共属性 PropertyInfo[] pros = model.GetType().GetProperties(); List <SqlParameter> paras = new List <SqlParameter>(); strSql.Append("update " + databaseprefix + "user_attach_log set "); foreach (PropertyInfo pi in pros) { //如果不是主键则追加sql字符串 if (!pi.Name.Equals("id")) { //判断属性值是否为空 if (pi.GetValue(model, null) != null) { str1.Append(pi.Name + "=@" + pi.Name + ","); //声明参数 paras.Add(new SqlParameter("@" + pi.Name, pi.GetValue(model, null))); //对参数赋值 } } } strSql.Append(str1.ToString().Trim(',')); strSql.Append(" where id=@id"); paras.Add(new SqlParameter("@id", model.id)); return(DbHelperSQL.ExecuteSql(strSql.ToString(), paras.ToArray()) > 0); }
/// <summary> /// DataTable转List /// </summary> public List <Model.user_attach_log> DataTableToList(DataTable dt) { //datatable没有数据 返回null if (dt == null || dt.Rows.Count == 0) { return(null); } //model的容器 List <Model.user_attach_log> modelList = new List <Model.user_attach_log>(); //datatable可能有很多行数据,遍历每一行 foreach (DataRow dr in dt.Rows) { Model.user_attach_log model = new Model.user_attach_log(); for (int i = 0; i < dr.Table.Columns.Count; i++) { //发现datatable的列属性 PropertyInfo propertyInfo = model.GetType().GetProperty(dr.Table.Columns[i].ColumnName); if (propertyInfo != null && dr[i] != DBNull.Value) { //用索引值设置属性值 propertyInfo.SetValue(model, dr[i], null); } } modelList.Add(model); } return(modelList); }
/// <summary> /// 得到一个对象实体 /// </summary> public Model.user_attach_log GetModel(int id) { StringBuilder strSql = new StringBuilder(); StringBuilder str1 = new StringBuilder(); Model.user_attach_log model = new Model.user_attach_log(); //利用反射获得属性的所有公共属性 PropertyInfo[] pros = model.GetType().GetProperties(); foreach (PropertyInfo p in pros) { str1.Append(p.Name + ",");//拼接字段 } strSql.Append("select top 1 " + str1.ToString().Trim(',')); strSql.Append(" from " + databaseprefix + "user_attach_log"); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = id; DataTable dt = DbHelperSQL.Query(strSql.ToString(), parameters).Tables[0]; if (dt.Rows.Count > 0) { return(DataRowToModel(dt.Rows[0])); } else { return(null); } }
/// <summary> /// 将对象转换为实体 /// </summary> public Model.user_attach_log DataRowToModel(DataRow row) { Model.user_attach_log model = new Model.user_attach_log(); if (row != null) { if (row["id"] != null && row["id"].ToString() != "") { model.id = int.Parse(row["id"].ToString()); } if (row["user_id"] != null && row["user_id"].ToString() != "") { model.user_id = int.Parse(row["user_id"].ToString()); } if (row["user_name"] != null) { model.user_name = row["user_name"].ToString(); } if (row["attach_id"] != null && row["attach_id"].ToString() != "") { model.attach_id = int.Parse(row["attach_id"].ToString()); } if (row["file_name"] != null) { model.file_name = row["file_name"].ToString(); } if (row["add_time"] != null && row["add_time"].ToString() != "") { model.add_time = DateTime.Parse(row["add_time"].ToString()); } } return model; }
/// <summary> /// 插入一条下载附件记录 /// </summary> public int AddLog(int user_id, string user_name, int attach_id, string file_name) { Model.user_attach_log model = new Model.user_attach_log(); model.user_id = user_id; model.user_name = user_name; model.attach_id = attach_id; model.file_name = file_name; model.add_time = DateTime.Now; return(dal.AddLog(model)); }
/// <summary> /// ����һ�����ظ�����¼ /// </summary> public int AddLog(int user_id, string user_name, int attach_id, string file_name) { Model.user_attach_log model = new Model.user_attach_log(); model.user_id = user_id; model.user_name = user_name; model.attach_id = attach_id; model.file_name = file_name; model.add_time = DateTime.Now; return dal.AddLog(model); }
/// <summary> /// 插入一条下载附件记录 /// </summary> public int AddLog(Model.user_attach_log model) { int newId; using (OleDbConnection conn = new OleDbConnection(DbHelperOleDb.connectionString)) { conn.Open(); using (OleDbTransaction trans = conn.BeginTransaction()) { try { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into " + databaseprefix + "user_attach_log("); strSql.Append("user_id,user_name,attach_id,file_name,add_time)"); strSql.Append(" values ("); strSql.Append("@user_id,@user_name,@attach_id,@file_name,@add_time)"); OleDbParameter[] parameters = { new OleDbParameter("@user_id", OleDbType.Integer, 4), new OleDbParameter("@user_name", OleDbType.VarChar, 100), new OleDbParameter("@attach_id", OleDbType.Integer, 4), new OleDbParameter("@file_name", OleDbType.VarChar, 255), new OleDbParameter("@add_time", OleDbType.Date) }; parameters[0].Value = model.user_id; parameters[1].Value = model.user_name; parameters[2].Value = model.attach_id; parameters[3].Value = model.file_name; parameters[4].Value = model.add_time; DbHelperOleDb.ExecuteSql(conn, trans, strSql.ToString(), parameters); //取得新插入的ID newId = GetMaxId(conn, trans); trans.Commit(); } catch { trans.Rollback(); return(-1); } } } return(newId); }
/// <summary> /// 将对象转换实体 /// </summary> public Model.user_attach_log DataRowToModel(DataRow row) { Model.user_attach_log model = new Model.user_attach_log(); if (row != null) { //利用反射获得属性的所有公共属性 Type modelType = model.GetType(); for (int i = 0; i < row.Table.Columns.Count; i++) { //查找实体是否存在列表相同的公共属性 PropertyInfo proInfo = modelType.GetProperty(row.Table.Columns[i].ColumnName); if (proInfo != null && row[i] != DBNull.Value) { proInfo.SetValue(model, row[i], null);//用索引值设置属性值 } } } return(model); }
/// <summary> /// 插入一条下载附件记录 /// </summary> public int AddLog(Model.user_attach_log model) { int i = 0; StringBuilder strSql = new StringBuilder(); StringBuilder str1 = new StringBuilder(); //数据字段 StringBuilder str2 = new StringBuilder(); //数据参数 //利用反射获得属性的所有公共属性 PropertyInfo[] pros = model.GetType().GetProperties(); List <object> paras = new List <object>(); strSql.Append("insert into " + databaseprefix + "dt_user_attach_log("); foreach (PropertyInfo pi in pros) { //如果不是主键则追加sql字符串 if (!pi.Name.Equals("id")) { //判断属性值是否为空 if (pi.GetValue(model, null) != null && !pi.GetValue(model, null).ToString().Equals("")) { str1.Append(pi.Name + ","); //拼接字段 str2.Append("@" + i + ","); //声明参数 i++; paras.Add(pi.GetValue(model, null)); //对参数赋值 } } } strSql.Append(str1.ToString().Trim(',')); strSql.Append(") values ("); strSql.Append(str2.ToString().Trim(',')); strSql.Append(") "); strSql.Append(";SELECT @@@IDENTITY;"); object obj = WriteDataBase.ExecuteScalar <object>(strSql.ToString(), paras.ToArray()); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 插入一条下载附件记录 /// </summary> public int AddLog(Model.user_attach_log model) { StringBuilder strSql = new StringBuilder(); StringBuilder str1 = new StringBuilder(); //数据字段 StringBuilder str2 = new StringBuilder(); //数据参数 //利用反射获得属性的所有公共属性 PropertyInfo[] pros = model.GetType().GetProperties(); List <MySqlParameter> paras = new List <MySqlParameter>(); strSql.Append("insert into " + databaseprefix + "user_attach_log("); foreach (PropertyInfo pi in pros) { //如果不是主键则追加sql字符串 if (!pi.Name.Equals("id")) { //判断属性值是否为空 if (pi.GetValue(model, null) != null) { str1.Append(pi.Name + ","); //拼接字段 str2.Append("@" + pi.Name + ","); //声明参数 paras.Add(new MySqlParameter("@" + pi.Name, pi.GetValue(model, null))); //对参数赋值 } } } strSql.Append(str1.ToString().Trim(',')); strSql.Append(") values ("); strSql.Append(str2.ToString().Trim(',')); strSql.Append(") "); strSql.Append(";select @@IDENTITY;"); object obj = DbHelperMySql.GetSingle(strSql.ToString(), paras.ToArray()); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(Model.user_attach_log model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update " + databaseprefix + "user_attach_log set "); strSql.Append("user_id=@user_id,"); strSql.Append("user_name=@user_name,"); strSql.Append("attach_id=@attach_id,"); strSql.Append("file_name=@file_name,"); strSql.Append("add_time=@add_time"); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@user_id", SqlDbType.Int, 4), new SqlParameter("@user_name", SqlDbType.NVarChar, 100), new SqlParameter("@attach_id", SqlDbType.Int, 4), new SqlParameter("@file_name", SqlDbType.NVarChar, 255), new SqlParameter("@add_time", SqlDbType.DateTime), new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = model.user_id; parameters[1].Value = model.user_name; parameters[2].Value = model.attach_id; parameters[3].Value = model.file_name; parameters[4].Value = model.add_time; parameters[5].Value = model.id; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(Model.user_attach_log model) { return(dal.Update(model)); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(Model.user_attach_log model) { return(dal.Add(model)); }