SqlServer存储过程（增删改查）
* IDENT_CURRENT 返回为任何会话和任何作用域中的特定表最后生成的标识值。
CREATE PROCEDURE [dbo].[PR_NewsAffiche_AddNewsEntity]
(
@NewsTitle varchar(200),
@NewsContent varchar(4000),
@Creator varchar(50),
@LastNewsId int output,
@DepartId int
)
AS
BEGIN
SET NOCOUNT ON;
insert into tbNewsAffiche(Title,Content,Creator,CreateTime,Updator,UpdateTime,DepartId)
values(@NewsTitle,@NewsContent,@Creator,getdate(),@Creator,getdate(),@DepartId)
set @LastNewsId = IDENT_CURRENT('tbNewsAffiche')
END
存储过程方法体内定义及赋值：
declare @recordCount int set @recordCount=0
====================================
增加：
存储过程
USE [testdb]
GO
/****** 对象: StoredProcedure [dbo].[PR_QueueNewsAffiche_AddQueueNews] 脚本日期: 11/01/2013 15:40:56 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE proc [dbo].[PR_QueueNewsAffiche_AddQueueNews](@Content nvarchar(500),@NewsAfficheId int,@BeginTime datetime,@EndTime datetime,@Creator varchar(50),@CreateTime datetime,@Updator varchar(50),@UpdateTime datetime)
as
insert into tbQueueNewsAffiche([Content],NewsAfficheId,BeginTime,EndTime,Creator,CreateTime,Updator,UpdateTime) values(@Content,@NewsAfficheId,@BeginTime,@EndTime,@Creator,getdate(),@Updator,getdate());
对应DAL层后台代码：
/// <summary>
/// 添加
/// </summary>
/// <param name="newsInfo"></param>
/// <returns></returns>
public int Add(QueueNewsAffiche_NewsInfo newsInfo)
{
IDataParameter[] paramArray = new IDataParameter[]{
Db.GetParameter("@Content",DbType.String,newsInfo.Content),
Db.GetParameter("@NewsAfficheId",DbType.Int32,newsInfo.NewsAfficheId),
Db.GetParameter("@BeginTime",DbType.DateTime,newsInfo.BeginTime),
Db.GetParameter("@EndTime",DbType.DateTime,newsInfo.EndTime),
Db.GetParameter("@Creator",DbType.String,newsInfo.Creator),
Db.GetParameter("@CreateTime",DbType.DateTime,newsInfo.CreateTime),
Db.GetParameter("@Updator",DbType.String,newsInfo.Updator),
Db.GetParameter("@UpdateTime",DbType.DateTime,newsInfo.UpdateTime)
};
int returnValue = 0;
try
{
returnValue = Db.ExecuteNonQuery(ConnectionString, CommandType.StoredProcedure, "PR_QueueNewsAffiche_AddQueueNews", paramArray);
}
catch (System.Exception e)
{
LogHelper.Error("添加时出错" + e.ToString());
}
return returnValue;
}
=======================================
删除：
存储过程
USE [testdb]
GO
/****** 对象: StoredProcedure [dbo].[PR_QueueNewsAffiche_Delete] 脚本日期: 11/01/2013 15:46:12 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE PROCEDURE [dbo].[PR_QueueNewsAffiche_Delete](@Id int,@Result int output) //@Result为输出
AS
BEGIN
IF EXISTS(SELECT 1 FROM tbQueueNewsAffiche //判断是否有数据SELECT top 1 FROM tbQueueNewsAffiche WHERE Id = @Id 不存在用not exists
WHERE Id = @Id)
BEGIN
DELETE FROM tbQueueNewsAffiche
WHERE Id = @Id
set @Result=1;
END
else
begin
set @Result =0;
end
END
对应DAL层代码：
/// <summary>
/// 删除
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public int DeleteById(int id)
{
IDataParameter[] paramArray = new IDataParameter[]{
Db.GetParameter("@Result",DbType.Int32,ParameterDirection.Output), //输出参数
Db.GetParameter("@Id",DbType.Int32,id)
};
try
{
int effectedRows = Db.ExecuteSPNonQuery(ConnectionString, "PR_QueueNewsAffiche_Delete", paramArray);
int result = Field.GetOutPutParam(paramArray[0], 0);
return result;
}
catch (System.Exception ex)
{
Log.WriteUserLog("删除失败" + ex.ToString(), 0, 0, 0);
return 0;
}
}
================================
修改：
存储过程：
USE [testdb]
GO
/****** 对象: StoredProcedure [dbo].[PR_QueueNewsAffiche_Update] 脚本日期: 11/04/2013 10:54:53 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE PROCEDURE [dbo].[PR_QueueNewsAffiche_Update]
(
@Id int,
@Content nvarchar(500),
@BeginTime datetime,
@EndTime datetime,
@Updator varchar(50)
)
AS
BEGIN
SET NOCOUNT ON; 这一句要注意：作用是不返回受影响的行数，一般做更新的不要设置，方便获取到返回的行数来判断是否更新成功。
update tbQueueNewsAffiche
set
[Content]=@Content,
BeginTime=@BeginTime,
EndTime=@EndTime,
Updator=@Updator,
UpdateTime=getdate()
where Id=@Id
END
对应DAL层代码：
/// <summary>
/// 更新
/// </summary>
/// <param name="id">排队新闻id</param>
/// <param name="content"></param>
/// <param name="beginTime"></param>
/// <param name="endTime"></param>
/// <param name="updator"></param>
/// <returns></returns>
public int Update(int id,string content,DateTime beginTime,DateTime endTime,string updator)
{
IDataParameter[] paramArray = new IDataParameter[] {
Db.GetParameter("@Id",DbType.Int32,id),
Db.GetParameter("@Content",DbType.String,content),
Db.GetParameter("@BeginTime",DbType.DateTime,beginTime),
Db.GetParameter("@EndTime",DbType.DateTime,endTime),
Db.GetParameter("@Updator",DbType.String,updator)
};
int returnValue = 0;
try
{
returnValue = Db.ExecuteNonQuery(ConnectionString, CommandType.StoredProcedure, "PR_NewsAfficheQueue_Update", paramArray);
}
catch (System.Exception ex)
{
LogHelper.Error("更新时出错{PR_NewsAfficheQueue_Update}" + ex.ToString());
}
return returnValue;
}
=================================
查询：
存储过程
USE [testdb]
GO
/****** 对象: StoredProcedure [dbo].[PR_QueueNewsAffiche_GetAllNews] 脚本日期: 11/01/2013 15:53:15 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE proc [dbo].[PR_QueueNewsAffiche_GetAllNews](@NewsAfficheId int)
as
begin
SET NOCOUNT ON;
select
Id,
[Content],
NewsAfficheId,
BeginTime,
EndTime,
Creator,
CreateTime,
Updator,
UpdateTime
from dbo.tbQueueNewsAffiche where NewsAfficheId=@NewsAfficheId order by BeginTime
end
对应DAL代码：
/// <summary>
/// 查询所有排队新闻
/// </summary>
/// <returns></returns>
public List<QueueNewsAffiche_NewsInfo> GetList(int newsAfficheId)
{
IDataParameter[] paramArray = new IDataParameter[]{
Db.GetParameter("@NewsAfficheId",DbType.Int32,newsAfficheId)
};
List<QueueNewsAffiche_NewsInfo> list = null;
try
{
using (IDataReader reader = Db.ExecuteSPReader(ConnectionString, "PR_QueueNewsAffiche_GetAllNews", paramArray))
{
list = new List<QueueNewsAffiche_NewsInfo>();
while (reader.Read())
{
QueueNewsAffiche_NewsInfo newsInfo = new QueueNewsAffiche_NewsInfo();
IDataRecord rec = reader as IDataRecord;
newsInfo.Id = Field.GetInt32(rec, "Id");
newsInfo.Content = Field.GetString(rec, "Content");
newsInfo.NewsAfficheId = Field.GetInt32(rec, "NewsAfficheId");
newsInfo.BeginTime = Field.GetDateTime(rec, "BeginTime");
newsInfo.EndTime = Field.GetDateTime(rec, "EndTime");
newsInfo.Creator = Field.GetString(rec, "Creator");
newsInfo.CreateTime = Field.GetDateTime(rec, "CreateTime");
newsInfo.Updator = Field.GetString(rec, "Updator");
newsInfo.UpdateTime = Field.GetDateTime(rec, "UpdateTime");
list.Add(newsInfo);
}
}
}
catch (System.Exception ex)
{
LogHelper.Error("查询时出错" + ex.ToString());
}
return list;
}
根据id查询
USE [testdb]
GO
/****** 对象: StoredProcedure [dbo].[PR_QueueNewsAffiche_GetNewsById] 脚本日期: 11/04/2013 13:44:33 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE PROCEDURE [dbo].[PR_QueueNewsAffiche_GetNewsById]
(
@Id int
)
AS
BEGIN
SET NOCOUNT ON;
select *
from tbQueueNewsAffiche
where Id=@Id
END
对应DAL层代码：
/// <summary>
/// 根据id查询
/// </summary>
/// <param name="Id"></param>
/// <returns></returns>
public QueueNewsAffiche_NewsInfo GetQueueNewsById(int id)
{
IDataParameter[] paramArray = new IDataParameter[] {
Db.GetParameter("@Id",DbType.Int32,id)
};
QueueNewsAffiche_NewsInfo newsInfo = null;
try
{
using (IDataReader reader = Db.ExecuteSPReader(ConnectionString, "PR_NewsAfficheQueue_GetNewsById", paramArray))
{
while (reader.Read())
{
newsInfo = new QueueNewsAffiche_NewsInfo();
IDataRecord rec = reader as IDataRecord;
newsInfo.Content = Field.GetString(rec, "Content");
newsInfo.BeginTime = Field.GetDateTime(rec, "BeginTime");
}
}
}
catch (System.Exception ex)
{
LogHelper.Error("查询排队新闻时出错{PR_NewsAfficheQueue_GetNewsById}" + ex.ToString());
}
return newsInfo;
}
存储过程中执行SQL语句：
USE [BookSale]
GO
/****** 对象: StoredProcedure [dbo].[SP_SaleBookCustomAddress_GetCustomAddressByUserIdList_1_19882] 脚本日期: 01/16/2014 15:30:06 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:
-- Create date:
-- Description:
-- =============================================
CREATE procedure [dbo].[SP_SaleBookCustomAddress_GetCustomAddressByUserIdList_1_19882]
(
@UserIdList nvarchar(max)
)
as
begin
exec('select * from SaleBookCustomAddress where UserId in ('+@UserIdList+') and Status=1')
end
DAL获取上面存储过程获得的内容：
/// <summary>
/// 根据多个UserId批量获取地址实体列表
/// </summary>
/// <param name="userIdList"></param>
/// <returns></returns>
public List<Entity.Activity.SaleBookCustomAddress> GetActivityRosterByUserIdList(string userIdList)
{
IDataParameter[] par = new IDataParameter[] {
AdoHelper.GetParameter("UserIdList",DbType.String ,userIdList )
};
List<SaleBookCustomAddress> rtn = new List<SaleBookCustomAddress>();
try
{
using (IDataReader reader = AdoHelper.ExecuteReader(this.DefaultConnectionString, CommandType.StoredProcedure, "SP_SaleBookCustomAddress_GetCustomAddressByUserIdList_1_19882", par))
{
while (reader.Read())
{
SaleBookCustomAddress address = new SaleBookCustomAddress();
address.UserId = Convert.ToInt64(reader["UserId"]);
UserDataAccess userDB = new UserDataAccess();
Users user = userDB.GetUserNickname(new int[] { Convert.ToInt32(address.UserId) })[0];
if (user != null)
{
address.NickName = user.UserName;
}
else
{
address.NickName = "";
}
address.CustomName = Field.GetString(reader, "CustomName");
address.Region = Field.GetString(reader, "Region");
address.Province = Field.GetString(reader, "Province");
address.City = Field.GetString(reader, "City");
address.Street = Field.GetString(reader, "Street");
address.Postcode = Field.GetString(reader, "Postcode");
address.MobileNo = Field.GetString(reader, "MobileNo");
address.FullTelNum = Field.GetString(reader, "TeleArea") + "-" + Field.GetString(reader, "Telephone") + "-" + Field.GetString(reader, "TeleExt");
if (address.FullTelNum == "--")
{
address.FullTelNum = "";
}
else
{
if (string.IsNullOrEmpty(Field.GetString(reader, "TeleExt")))
{
address.FullTelNum = Field.GetString(reader, "TeleArea") + "-" + Field.GetString(reader, "Telephone");
}
}
address.LastUpdateTime = Field.GetDateTime(reader, "LastUpdateTime");
rtn.Add(address);
}
}
}
catch (Exception ex)
{
Log.LogException(ex);
}
return rtn;
}
零碎补充：
@AboutTheAuthor varchar(max), @RMBOriginPrice decimal(18,2), /*表示一共18位数字，其中包括2位小数点(整数部分则为16位)*/ decimal详解>> @AuthorName varchar(100)='', /*参数赋初值 */ @RecordCount int=0 output /*赋初值的输出变量 */ select @RecordCount=count(1) from SaleBook where companyid=17 AS /*表示下面的为存储过程主体部分*/ /*@@表示全局变量（内置系统变量）、获取最新的主键id select @@rowcount受影响的行数 */ SELECT @@identity exec(@sql+@where+' ORDER BY CreateTime DESC') /*执行sql语句*/ WITH Mem_SALEBOOK_Book AS /*WITH的用法*/ ( SELECT bookId FROM bookView V WHERE CompanyId in ( select Item from dbo.fn_Split(@CompanyId,',') ) and BookId= CASE @SearchType WHEN 'bookid' THEN @SearchValue ELSE BookId END /*CASE...WHEN语法 */ and BookName like CASE @SearchType WHEN 'bookname' THEN @SearchValue ELSE BookName END ) SELECT M.*, SC.CompanyName as CompanyName FROM Mem_SALEBOOK_Book MM with (nolock) inner join bookView M on MM.BookId=M.BookId left join SaleCompany SC on M.CompanyId=SC.CompanyId
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