/// <summary>
/// 插入一条记录到表MemFromBD，如果表中存在自增字段，则返回值为新记录的自增字段值，否则返回0
/// </summary>
/// <param name="db">数据库操作对象</param>
/// <param name="memFromBD">待插入的实体对象</param>
public int AddMemFromBD(MemFromBDEntity entity)
{
string sql = @"insert into MemFromBD( [CompanyName],[CompanyAddress],[CompanyPhone],[Tags],[Province],[City],[PositionLat],[PositionLng],[Title],[UnRegisterId],[MemId])VALUES
( @CompanyName,@CompanyAddress,@CompanyPhone,@Tags,@Province,@City,@PositionLat,@PositionLng,@Title,@UnRegisterId,@MemId);
SELECT SCOPE_IDENTITY();" ;
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@CompanyName", DbType.String, entity.CompanyName);
db.AddInParameter(cmd, "@CompanyAddress", DbType.String, entity.CompanyAddress);
db.AddInParameter(cmd, "@CompanyPhone", DbType.String, entity.CompanyPhone);
db.AddInParameter(cmd, "@Tags", DbType.String, entity.Tags);
db.AddInParameter(cmd, "@Province", DbType.String, entity.Province);
db.AddInParameter(cmd, "@City", DbType.String, entity.City);
db.AddInParameter(cmd, "@PositionLat", DbType.String, entity.PositionLat);
db.AddInParameter(cmd, "@PositionLng", DbType.String, entity.PositionLng);
db.AddInParameter(cmd, "@Title", DbType.String, entity.Title);
db.AddInParameter(cmd, "@UnRegisterId", DbType.Int32, entity.UnRegisterId);
db.AddInParameter(cmd, "@MemId", DbType.Int32, entity.MemId);
object identity = db.ExecuteScalar(cmd);
if (identity == null || identity == DBNull.Value)
{
return(0);
}
return(Convert.ToInt32(identity));
}
/// <summary>
/// 读取记录列表。
/// </summary>
/// <param name="db">数据库操作对象</param>
/// <param name="columns">需要返回的列，不提供任何列名时默认将返回所有列</param>
public IList <MemFromBDEntity> GetMemFromBDAll()
{
string sql = @"SELECT [Id],[CompanyName],[CompanyAddress],[CompanyPhone],[Tags],[Province],[City],[PositionLat],[PositionLng],[Title],[UnRegisterId],[MemId] from dbo.[MemFromBD] WITH(NOLOCK) ";
IList <MemFromBDEntity> entityList = new List <MemFromBDEntity>();
DbCommand cmd = db.GetSqlStringCommand(sql);
using (IDataReader reader = db.ExecuteReader(cmd))
{
while (reader.Read())
{
MemFromBDEntity entity = new MemFromBDEntity();
entity.Id = StringUtils.GetDbInt(reader["Id"]);
entity.CompanyName = StringUtils.GetDbString(reader["CompanyName"]);
entity.CompanyAddress = StringUtils.GetDbString(reader["CompanyAddress"]);
entity.CompanyPhone = StringUtils.GetDbString(reader["CompanyPhone"]);
entity.Tags = StringUtils.GetDbString(reader["Tags"]);
entity.Province = StringUtils.GetDbString(reader["Province"]);
entity.City = StringUtils.GetDbString(reader["City"]);
entity.PositionLat = StringUtils.GetDbString(reader["PositionLat"]);
entity.PositionLng = StringUtils.GetDbString(reader["PositionLng"]);
entity.Title = StringUtils.GetDbString(reader["Title"]);
entity.UnRegisterId = StringUtils.GetDbInt(reader["UnRegisterId"]);
entity.MemId = StringUtils.GetDbInt(reader["MemId"]);
entityList.Add(entity);
}
}
return(entityList);
}
/// <summary>
/// 判断当前节点是否已存在相同的
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public int ExistNum(MemFromBDEntity entity)
{
///id=0,判断总数，ID>0判断除自己之外的总数
string sql = @"Select count(1) from dbo.[MemFromBD] WITH(NOLOCK) ";
string where = "where ";
if (entity.Id == 0)
{
where = where + " (CompanyName=@CompanyName) ";
}
else
{
where = where + " id<>@Id and (CompanyName=@CompanyName) ";
}
sql = sql + where;
DbCommand cmd = db.GetSqlStringCommand(sql);
if (entity.Id > 0)
{
db.AddInParameter(cmd, "@Id", DbType.Int32, entity.Id);
}
db.AddInParameter(cmd, "@CompanyName", DbType.String, entity.CompanyName);
object identity = db.ExecuteScalar(cmd);
if (identity == null || identity == DBNull.Value)
{
return(0);
}
return(Convert.ToInt32(identity));
}
/// <summary>
/// 根据主键值读取记录。如果数据库不存在这条数据将返回null
/// </summary>
/// <param name="db">数据库操作对象</param>
/// <param name="columns">需要返回的列，不提供任何列名时默认将返回所有列</param>
public MemFromBDEntity GetMemFromBD(int id)
{
string sql = @"SELECT [Id],[CompanyName],[CompanyAddress],[CompanyPhone],[Tags],[Province],[City],[PositionLat],[PositionLng],[Title],[UnRegisterId],[MemId]
FROM
dbo.[MemFromBD] WITH(NOLOCK)
WHERE [Id]=@id" ;
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@Id", DbType.Int32, id);
MemFromBDEntity entity = new MemFromBDEntity();
using (IDataReader reader = db.ExecuteReader(cmd))
{
if (reader.Read())
{
entity.Id = StringUtils.GetDbInt(reader["Id"]);
entity.CompanyName = StringUtils.GetDbString(reader["CompanyName"]);
entity.CompanyAddress = StringUtils.GetDbString(reader["CompanyAddress"]);
entity.CompanyPhone = StringUtils.GetDbString(reader["CompanyPhone"]);
entity.Tags = StringUtils.GetDbString(reader["Tags"]);
entity.Province = StringUtils.GetDbString(reader["Province"]);
entity.City = StringUtils.GetDbString(reader["City"]);
entity.PositionLat = StringUtils.GetDbString(reader["PositionLat"]);
entity.PositionLng = StringUtils.GetDbString(reader["PositionLng"]);
entity.Title = StringUtils.GetDbString(reader["Title"]);
entity.UnRegisterId = StringUtils.GetDbInt(reader["UnRegisterId"]);
entity.MemId = StringUtils.GetDbInt(reader["MemId"]);
}
}
return(entity);
}
/// <summary>
/// 读取记录列表。
/// </summary>
/// <param name="db">数据库操作对象</param>
/// <param name="columns">需要返回的列，不提供任何列名时默认将返回所有列</param>
public IList <MemFromBDEntity> GetMemFromBDList(int pagesize, int pageindex, ref int recordCount)
{
string sql = @"SELECT [Id],[CompanyName],[CompanyAddress],[CompanyPhone],[Tags],[Province],[City],[PositionLat],[PositionLng],[Title],[UnRegisterId],[MemId]
FROM
(SELECT ROW_NUMBER() OVER (ORDER BY Id desc) AS ROWNUMBER,
[Id],[CompanyName],[CompanyAddress],[CompanyPhone],[Tags],[Province],[City],[PositionLat],[PositionLng],[Title],[UnRegisterId],[MemId] from dbo.[MemFromBD] WITH(NOLOCK)
WHERE 1=1 ) as temp
where rownumber BETWEEN ((@PageIndex - 1) * @PageSize + 1) AND @PageIndex * @PageSize" ;
string sql2 = @"Select count(1) from dbo.[MemFromBD] with (nolock) ";
IList <MemFromBDEntity> entityList = new List <MemFromBDEntity>();
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@PageIndex", DbType.Int32, pageindex);
db.AddInParameter(cmd, "@PageSize", DbType.Int32, pagesize);
using (IDataReader reader = db.ExecuteReader(cmd))
{
while (reader.Read())
{
MemFromBDEntity entity = new MemFromBDEntity();
entity.Id = StringUtils.GetDbInt(reader["Id"]);
entity.CompanyName = StringUtils.GetDbString(reader["CompanyName"]);
entity.CompanyAddress = StringUtils.GetDbString(reader["CompanyAddress"]);
entity.CompanyPhone = StringUtils.GetDbString(reader["CompanyPhone"]);
entity.Tags = StringUtils.GetDbString(reader["Tags"]);
entity.Province = StringUtils.GetDbString(reader["Province"]);
entity.City = StringUtils.GetDbString(reader["City"]);
entity.PositionLat = StringUtils.GetDbString(reader["PositionLat"]);
entity.PositionLng = StringUtils.GetDbString(reader["PositionLng"]);
entity.Title = StringUtils.GetDbString(reader["Title"]);
entity.UnRegisterId = StringUtils.GetDbInt(reader["UnRegisterId"]);
entity.MemId = StringUtils.GetDbInt(reader["MemId"]);
entityList.Add(entity);
}
}
cmd = db.GetSqlStringCommand(sql2);
using (IDataReader reader = db.ExecuteReader(cmd))
{
if (reader.Read())
{
recordCount = StringUtils.GetDbInt(reader[0]);
}
else
{
recordCount = 0;
}
}
return(entityList);
}
/// <summary>
/// 插入一条记录到表MemFromBD，如果表中存在自增字段，则返回值为新记录的自增字段值，否则返回0。
/// 该方法提供给界面等UI层调用
/// </summary>
/// <param name="memFromBD">要添加的MemFromBD数据实体对象</param>
public int AddMemFromBD(MemFromBDEntity memFromBD)
{
if (memFromBD.Id > 0)
{
return(UpdateMemFromBD(memFromBD));
}
else if (string.IsNullOrEmpty(memFromBD.CompanyName))
{
return((int)CommonStatus.ADD_Fail_Empty);
}
else if (MemFromBDBLL.Instance.IsExist(memFromBD))
{
return((int)CommonStatus.ADD_Fail_Exist);
}
else
{
return(MemFromBDDA.Instance.AddMemFromBD(memFromBD));
}
}
/// <summary>
/// 根据主键值更新记录的全部字段（注意：该方法不会对自增字段、timestamp类型字段以及主键字段更新！如果要更新主键字段，请使用Update方法）。
/// 如果数据库有数据被更新了则返回True，否则返回False
/// </summary>
/// <param name="db">数据库操作对象</param>
/// <param name="memFromBD">待更新的实体对象</param>
public int UpdateMemFromBD(MemFromBDEntity entity)
{
string sql = @" UPDATE dbo.[MemFromBD] SET
[CompanyName]=@CompanyName,[CompanyAddress]=@CompanyAddress,[CompanyPhone]=@CompanyPhone,[Tags]=@Tags,[Province]=@Province,[City]=@City,[PositionLat]=@PositionLat,[PositionLng]=@PositionLng,[Title]=@Title,[UnRegisterId]=@UnRegisterId,[MemId]=@MemId
WHERE [Id]=@id";
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@Id", DbType.Int32, entity.Id);
db.AddInParameter(cmd, "@CompanyName", DbType.String, entity.CompanyName);
db.AddInParameter(cmd, "@CompanyAddress", DbType.String, entity.CompanyAddress);
db.AddInParameter(cmd, "@CompanyPhone", DbType.String, entity.CompanyPhone);
db.AddInParameter(cmd, "@Tags", DbType.String, entity.Tags);
db.AddInParameter(cmd, "@Province", DbType.String, entity.Province);
db.AddInParameter(cmd, "@City", DbType.String, entity.City);
db.AddInParameter(cmd, "@PositionLat", DbType.String, entity.PositionLat);
db.AddInParameter(cmd, "@PositionLng", DbType.String, entity.PositionLng);
db.AddInParameter(cmd, "@Title", DbType.String, entity.Title);
db.AddInParameter(cmd, "@UnRegisterId", DbType.Int32, entity.UnRegisterId);
db.AddInParameter(cmd, "@MemId", DbType.Int32, entity.MemId);
return(db.ExecuteNonQuery(cmd));
}
/// <summary>
/// 更新一条MemFromBD记录。
/// 该方法提供给界面等UI层调用
/// </summary>
/// <param name="memFromBD">待更新的实体对象</param>
/// <param name="columns">要更新的列名，不提供任何列名时默认将更新主键之外的所有列</param>
public int UpdateMemFromBD(MemFromBDEntity memFromBD)
{
return(MemFromBDDA.Instance.UpdateMemFromBD(memFromBD));
}
/// <summary>
/// 判断对象是否存在
/// </summary>
/// <param name="dicEnum"></param>
/// <returns></returns>
public bool IsExist(MemFromBDEntity memFromBD)
{
return(MemFromBDDA.Instance.ExistNum(memFromBD) > 0);
}
