/// <summary>
/// 新增一条记录
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public int Add(Member_ClassComment model)
{
StringBuilder sql = new StringBuilder();
sql.Append("insert into [dbo].[Member_ClassComment] ([ClassId],[AccountId],[Content],[Delflag],[CreateDate])");
sql.Append(" values (@ClassId,@AccountId,@Content,@Delflag,@CreateDate)");
sql.Append(" set @Id=@@IDENTITY");
SqlParameter[] cmdParams = new SqlParameter[]{
new SqlParameter("@Id", SqlDbType.Int, 4) { Value = model.Id, Direction = ParameterDirection.Output },
new SqlParameter("@ClassId", SqlDbType.Int, 4) { Value = model.ClassId },
new SqlParameter("@AccountId", SqlDbType.Int, 4) { Value = model.AccountId },
new SqlParameter("@Content", SqlDbType.VarChar, 2000) { Value = model.Content },
new SqlParameter("@Delflag", SqlDbType.Bit, 1) { Value = model.Delflag },
new SqlParameter("@CreateDate", SqlDbType.DateTime, 8) { Value = model.CreateDate }
};
int result = Convert.ToInt32(MSEntLibSqlHelper.ExecuteNonQueryBySql(sql.ToString(), cmdParams));
model.Id = Convert.ToInt32(cmdParams[0].Value);
return result;
}
/// <summary>
/// 获取数据集
/// </summary>
/// <param name="where"></param>
/// <param name="orderBy"></param>
/// <returns></returns>
public List<Member_ClassComment> GetList(string where, string orderBy)
{
StringBuilder sql = new StringBuilder();
sql.Append("select * from [dbo].[Member_ClassComment]");
if (!string.IsNullOrEmpty(where))
sql.Append(" where " + where);
if (!string.IsNullOrEmpty(orderBy))
sql.Append(" order by " + orderBy);
List<Member_ClassComment> list = new List<Member_ClassComment>();
using (IDataReader reader = MSEntLibSqlHelper.ExecuteDataReaderBySql(sql.ToString()))
{
while (reader.Read())
{
Member_ClassComment model = new Member_ClassComment();
ConvertToModel(reader, model);
list.Add(model);
}
}
return list;
}
/// <summary>
/// 获取分页数据集
/// </summary>
/// <param name="pageSize"></param>
/// <param name="pageIndex"></param>
/// <param name="where"></param>
/// <param name="orderBy"></param>
/// <param name="recordCount"></param>
/// <returns></returns>
public List<Member_ClassComment> GetList(int pageSize, int pageIndex, string where, string orderBy, out int recordCount)
{
if (string.IsNullOrEmpty(orderBy))
throw new ArgumentNullException();
StringBuilder sb = new StringBuilder();
sb.Append("select count(1) from [dbo].[Member_ClassComment]");
if (!string.IsNullOrEmpty(where))
sb.Append(" where " + where);
recordCount = Convert.ToInt32(MSEntLibSqlHelper.ExecuteScalarBySql(sb.ToString()));
int start = (pageIndex - 1) * pageSize + 1;
int end = pageIndex * pageSize;
StringBuilder sql = new StringBuilder();
sql.Append("select * from (select *,ROW_NUMBER() over (order by " + orderBy + ") as [RowNum] from [dbo].[Member_ClassComment]");
if (!string.IsNullOrEmpty(where))
sql.Append(" where " + where);
sql.Append(") as T where [RowNum] between " + start + " and " + end);
List<Member_ClassComment> list = new List<Member_ClassComment>();
using (IDataReader reader = MSEntLibSqlHelper.ExecuteDataReaderBySql(sql.ToString()))
{
while (reader.Read())
{
Member_ClassComment model = new Member_ClassComment();
ConvertToModel(reader, model);
list.Add(model);
}
}
return list;
}
private void ConvertToModel(IDataReader reader, Member_ClassComment model)
{
if (reader["Id"] != DBNull.Value)
model.Id = Convert.ToInt32(reader["Id"]);
if (reader["ClassId"] != DBNull.Value)
model.ClassId = Convert.ToInt32(reader["ClassId"]);
if (reader["AccountId"] != DBNull.Value)
model.AccountId = Convert.ToInt32(reader["AccountId"]);
if (reader["Content"] != DBNull.Value)
model.Content = reader["Content"].ToString();
if (reader["Delflag"] != DBNull.Value)
model.Delflag = Convert.ToBoolean(reader["Delflag"]);
if (reader["CreateDate"] != DBNull.Value)
model.CreateDate = Convert.ToDateTime(reader["CreateDate"]);
}
/// <summary>
/// 更新一条记录
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public int Update(Member_ClassComment model)
{
StringBuilder sql = new StringBuilder();
sql.Append("update [dbo].[Member_ClassComment] set ");
sql.Append("[ClassId]=@ClassId,[AccountId]=@AccountId,[Content]=@Content,[Delflag]=@Delflag,[CreateDate]=@CreateDate");
sql.Append(" where [Id]=@Id");
SqlParameter[] cmdParams = new SqlParameter[] {
new SqlParameter("@Id", SqlDbType.Int, 4) { Value = model.Id },
new SqlParameter("@ClassId", SqlDbType.Int, 4) { Value = model.ClassId },
new SqlParameter("@AccountId", SqlDbType.Int, 4) { Value = model.AccountId },
new SqlParameter("@Content", SqlDbType.VarChar, 2000) { Value = model.Content },
new SqlParameter("@Delflag", SqlDbType.Bit, 1) { Value = model.Delflag },
new SqlParameter("@CreateDate", SqlDbType.DateTime, 8) { Value = model.CreateDate }
};
return MSEntLibSqlHelper.ExecuteNonQueryBySql(sql.ToString(), cmdParams);
}
/// <summary>
/// 取得一条记录
/// </summary>
/// <param name="id"></param>
/// <param name="where"></param>
/// <returns></returns>
public Member_ClassComment GetModel(int id, string where)
{
string sql = "select * from [dbo].[Member_ClassComment] where [Id]=@Id";
if (!string.IsNullOrEmpty(where))
sql += " and " + where;
SqlParameter[] cmdParams = new SqlParameter[]{
new SqlParameter("@Id", SqlDbType.Int, 4) { Value = id }
};
using (IDataReader reader = MSEntLibSqlHelper.ExecuteDataReaderBySql(sql, cmdParams))
{
if (reader.Read())
{
Member_ClassComment model = new Member_ClassComment();
ConvertToModel(reader, model);
return model;
}
else
{
return null;
}
}
}
/// <summary>
/// 更新一条记录
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public bool Update(Member_ClassComment model)
{
return dal.Update(model) > 0;
}
/// <summary>
/// 新增一条记录
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public bool Add(Member_ClassComment model)
{
return dal.Add(model) > 0;
}
