葡京网投哪个正规 > 新葡亰-数据 > 导入导出Excel数据的语句,动态执行存储过程条件处理

原标题:导入导出Excel数据的语句,动态执行存储过程条件处理

浏览次数:88 时间:2020-05-07

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--从Excel文件中,导入数据到SQL数据库中,很简单,直接用下面的语句: /*===================================================================*/ --如果接受数据导入的表已经存在 insert into 表 select * from OPENROWSET('MICROSOFT.JET.OLEDB.4.0' ,'Excel 5.0;HDR=YES;DATABASE=c:test.xls',sheet1$) --如果导入数据并生成表 select * into 表 from OPENROWSET('MICROSOFT.JET.OLEDB.4.0' ,'Excel 5.0;HDR=YES;DATABASE=c:test.xls',sheet1$) /*===================================================================*/ --如果从SQL数据库中,导出数据到Excel,如果Excel文件已经存在,而且已经按照要接收的数据创建好表头,就可以简单的用: insert into OPENROWSET('MICROSOFT.JET.OLEDB.4.0' ,'Excel 5.0;HDR=YES;DATABASE=c:test.xls',sheet1$) select * from 表 --如果Excel文件不存在,也可以用BCP来导成类Excel的文件,注意大小写: --导出表的情况 EXEC master..xp_cmdshell 'bcp 数据库名.dbo.表名 out "c:test.xls" /c -/S"服务器名" /U"用户名" -P"密码"' --导出查询的情况 EXEC master..xp_cmdshell 'bcp "SELECT au_fname, au_lname FROM pubs..authors ORDER BY au_lname" queryout "c:test.xls" /c -/S"服务器名" /U"用户名" -P"密码"' /*--说明: c:test.xls 为导入/导出的Excel文件名. sheet1$ 为Excel文件的工作表名,一般要加上$才能正常使用. --*/ --下面是导出真正Excel文件的方法: if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[p_exporttb]') and OBJECTPROPERTY(id, N'IsProcedure') = 1) drop procedure [dbo].[p_exporttb] GO /*--数据导出EXCEL 导出表中的数据到Excel,包含字段名,文件为真正的Excel文件 ,如果文件不存在,将自动创建文件 ,如果表不存在,将自动创建表 基于通用性考虑,仅支持导出标准数据类型 --邹建 2003.10(引用请保留此信息)--*/ /*--调用示例 p_exporttb @tbname='地区资料',@path='c:',@fname='aa.xls' --*/ create proc p_exporttb @tbname sysname, --要导出的表名 @path nvarchar(1000), --文件存放目录 @fname nvarchar(250)='' --文件名,默认为表名 as declare @err int,@src nvarchar(255),@desc nvarchar(255),@out int declare @obj int,@constr nvarchar(1000),@sql varchar(8000),@fdlist varchar(8000) --参数检测 if isnull(@fname,'')='' set @fname=@tbname+'.xls' --检查文件是否已经存在 if right(@path,1)'' set @path=@path+'' create table #tb(a bit,b bit,c bit) set @sql=@path+@fname insert into #tb exec master..xp_fileexist @sql --数据库创建语句 set @sql=@path+@fname if exists(select 1 from #tb where a=1) set @constr='DRIVER={Microsoft Excel Driver (*.xls)};DSN='''';READONLY=FALSE' +';CREATE_DB="'+@sql+'";DBQ='+@sql else set @constr='Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties="Excel 8.0;HDR=YES' +';DATABASE='+@sql+'"' --连接数据库 exec @err=sp_oacreate 'adodb.connection',@obj out if @err0 goto lberr exec @err=sp_oamethod @obj,'open',null,@constr if @err0 goto lberr /*--如果覆盖已经存在的表,就加上下面的语句 --创建之前先删除表/如果存在的话 select @sql='drop table ['+@tbname+']' exec @err=sp_oamethod @obj,'execute',@out out,@sql --*/ --创建表的SQL select @sql='',@fdlist='' select @fdlist=@fdlist+',['+a.name+']' ,@sql=@sql+',['+a.name+'] ' +case when b.name like '%char' then case when a.length255 then 'memo' else 'text('+cast(a.length as varchar)+')' end when b.name like '%int' or b.name='bit' then 'int' when b.name like '%datetime' then 'datetime' when b.name like '%money' then 'money' when b.name like '%text' then 'memo' else b.name end FROM syscolumns a left join systypes b on a.xtype=b.xusertype where b.name not in('image','uniqueidentifier','sql_variant','varbinary','binary','timestamp') and object_id(@tbname)=id select @sql='create table ['+@tbname +']('+substring(@sql,2,8000)+')' ,@fdlist=substring(@fdlist,2,8000) exec @err=sp_oamethod @obj,'execute',@out out,@sql if @err0 goto lberr exec @err=sp_oadestroy @obj --导入数据 set @sql='openrowset(''MICROSOFT.JET.OLEDB.4.0'',''Excel 8.0;HDR=YES;IMEX=1 ;DATABASE='+@path+@fname+''',['+@tbname+'$])' exec('insert into '+@sql+'('+@fdlist+') select '+@fdlist+' from '+@tbname) return lberr: exec sp_oageterrorinfo 0,@src out,@desc out lbexit: select cast(@err as varbinary(4)) as 错误号 ,@src as 错误源,@desc as 错误描述 select @sql,@constr,@fdlist go if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[p_exporttb]') and OBJECTPROPERTY(id, N'IsProcedure') = 1) drop procedure [dbo].[p_exporttb] GO /*--数据导出EXCEL 导出查询中的数据到Excel,包含字段名,文件为真正的Excel文件 如果文件不存在,将自动创建文件 如果表不存在,将自动创建表 基于通用性考虑,仅支持导出标准数据类型 --邹建 2003.10(引用请保留此信息)--*/ /*--调用示例 p_exporttb @sqlstr='select * from 地区资料' ,@path='c:',@fname='aa.xls',@sheetname='地区资料' --*/ create proc p_exporttb @sqlstr varchar(8000), --查询语句,如果查询语句中使用了order by ,请加上top 100 percent @path nvarchar(1000), --文件存放目录 @fname nvarchar(250), --文件名 @sheetname varchar(250)='' --要创建的工作表名,默认为文件名 as declare @err int,@src nvarchar(255),@desc nvarchar(255),@out int declare @obj int,@constr nvarchar(1000),@sql varchar(8000),@fdlist varchar(8000) --参数检测 if isnull(@fname,'')='' set @fname='temp.xls' if isnull(@sheetname,'')='' set @sheetname=replace(@fname,'.','#') --检查文件是否已经存在 if right(@path,1)'' set @path=@path+'' create table #tb(a bit,b bit,c bit) set @sql=@path+@fname insert into #tb exec master..xp_fileexist @sql --数据库创建语句 set @sql=@path+@fname if exists(select 1 from #tb where a=1) set @constr='DRIVER={Microsoft Excel Driver (*.xls)};DSN='''';READONLY=FALSE' +';CREATE_DB="'+@sql+'";DBQ='+@sql else set @constr='Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties="Excel 8.0;HDR=YES' +';DATABASE='+@sql+'"' --连接数据库 exec @err=sp_oacreate 'adodb.connection',@obj out if @err0 goto lberr exec @err=sp_oamethod @obj,'open',null,@constr if @err0 goto lberr --创建表的SQL declare @tbname sysname set @tbname='##tmp_'+convert(varchar(38),newid()) set @sql='select * into ['+@tbname+'] from('+@sqlstr+') a' exec(@sql) select @sql='',@fdlist='' select @fdlist=@fdlist+',['+a.name+']' ,@sql=@sql+',['+a.name+'] ' +case when b.name like '%char' then case when a.length255 then 'memo' else 'text('+cast(a.length as varchar)+')' end when b.name like '%int' or b.name='bit' then 'int' when b.name like '%datetime' then 'datetime' when b.name like '%money' then 'money' when b.name like '%text' then 'memo' else b.name end FROM tempdb..syscolumns a left join tempdb..systypes b on a.xtype=b.xusertype where b.name not in('image','uniqueidentifier','sql_variant','varbinary','binary','timestamp') and a.id=(select id from tempdb..sysobjects where name=@tbname) if @@rowcount=0 return select @sql='create table ['+@sheetname +']('+substring(@sql,2,8000)+')' ,@fdlist=substring(@fdlist,2,8000) exec @err=sp_oamethod @obj,'execute',@out out,@sql if @err0 goto lberr exec @err=sp_oadestroy @obj --导入数据 set @sql='openrowset(''MICROSOFT.JET.OLEDB.4.0'',''Excel 8.0;HDR=YES ;DATABASE='+@path+@fname+''',['+@sheetname+'$])' exec('insert into '+@sql+'('+@fdlist+') select '+@fdlist+' from ['+@tbname+']') set @sql='drop table ['+@tbname+']' exec(@sql) return lberr: exec sp_oageterrorinfo 0,@src out,@desc out lbexit: select cast(@err as varbinary(4)) as 错误号 ,@src as 错误源,@desc as 错误描述 select @sql,@constr,@fdlist go declare @tbname sysname--要导出的表名,注意只能是表名/视图名 declare @path nvarchar(1000)--文件存放目录 declare @fname nvarchar(250)--文件名,默认为表名 set @tbname='salaryreports' set @path='e:' set @fname='salaryreportsxls' declare @err int,@src nvarchar(255),@desc nvarchar(255),@out int declare @obj int,@constr nvarchar(1000),@sql varchar(8000),@fdlist varchar(8000) --参数检测 if isnull(@fname,'')='' set @fname=@tbname+'.xls' --drop table #tb --检查文件是否已经存在 if right(@path,1)'' set @path=@path+'' create table #tb(a bit,b bit,c bit) set @sql=@path+@fname insert into #tb exec master..xp_fileexist @sql --select * from #tb --数据库创建语句 set @sql=@path+@fname if exists(select 1 from #tb where a=1) set @constr='DRIVER={Microsoft Excel Driver (*.xls)};DSN='''';READONLY=FALSE' +';CREATE_DB="'+@sql+'";DBQ='+@sql else set @constr='Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties="Excel 5.0;HDR=YES' +';DATABASE='+@sql+'"' --连接数据库 exec @err=sp_oacreate 'adodb.connection',@obj out if @err0 goto lberr exec @err=sp_oamethod @obj,'open',null,@constr if @err0 goto lberr --创建表的SQL select @sql='',@fdlist='' select @fdlist=@fdlist+','+a.name ,@sql=@sql+',['+a.name+'] ' +case when b.name in('char','nchar','varchar','nvarchar') then 'text('+cast(case when a.length255 then 255 else a.length end as varchar)+')' when b.name in('tynyint','int','bigint','tinyint') then 'int' when b.name in('smalldatetime','datetime') then 'datetime' when b.name in('money','smallmoney') then 'money' else b.name end FROM syscolumns a left join systypes b on a.xtype=b.xusertype where b.name not in('image','text','uniqueidentifier','sql_variant','ntext','varbinary','binary','timestamp') and object_id(@tbname)=id select @sql='create table ['+@tbname +']('+substring(@sql,2,8000)+')' ,@fdlist=substring(@fdlist,2,8000) exec @err=sp_oamethod @obj,'execute',@out out,@sql if @err0 goto lberr exec @err=sp_oadestroy @obj --导入数据 set @sql='openrowset(''MICROSOFT.JET.OLEDB.4.0'',''Excel 5.0;HDR=YES ;DATABASE='+@path+@fname+''',['+@tbname+'$])' exec('insert into '+@sql+'('+@fdlist+') select '+@fdlist+' from '+@tbname) return lberr: exec sp_oageterrorinfo 0,@src out,@desc out lbexit: select cast(@err as varbinary(4)) as 错误号 ,@src as 错误源,@desc as 错误描述 select @sql,@constr,@fdlist

/*--Ntext字段处理

select * from tabletest where where1 = case when @where1 is not null then @where1 else where1 end and where2 = case when @where2 is not null then @where2 else where2 end and where3 = case when @where3 is not null then @where3 else where3 end

/*--调用示例

动态执行存储过程条件处理

模拟字符串处理函数 stuff
完成表中 ntext 字段的 stuff 处理
注意,表中需要有列名为:id 的主键(或标识字段),数据类型为int
如果没有这个主键字段,或者是其他类型,则对应的需要修改存储过程

//

--调用存储过程,将第8~9的字符替换成'中国'
exec p_stuff 'tb','content',8,2,'中国',''
select * from tb

select * from tabletest where (where1 = @where1 or @where1 is null) and (where2 = @where2 or @where2 is null)and (where3 = @where3 or @where3 is null);

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[p_stuff]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[p_stuff]
GO

create procedure test(@where1 nvarchar(2000))asdeclare @sql nvarchar(2000)set @sql= 'select * from tabletest where 1=1 '+ @where1exec (@sql)

exec test 'and where1 = @where1 'exec test 'and where1 = @where1 and where2 = @where2 '

转自:

//

create proc p_stuff
@tbname sysname,--要处理的表名
@fdname sysname,--text/ntext字段名
@start int=null,--开始位置,NULL表示追加数据
@length int=null,--替换的长度
@str nvarchar(4000),--要插入的字符串
@where nvarchar(1000)=''--要处理的记录的条件
as
if @str is null return
declare @s nvarchar(4000)
set @s='
declare @id int,@ptr varbinary(16),@start1 int

create procedure test(@where1 int, @where2 int, @where3 int)as if @where1 is not null and @where2 is null and @where3 is null select * from tabletest where where1 = @where1 if @where1 is not null and @where2 is not null and @where3 is null select * from tabletest where where1 = @where1 and where2 = @where2 if @where1 is not null and @where2 is not null and @where3 is not null select * from tabletest where where1 = @where1 and where2 = @where2 and where3 = @where3

--邹建 2004.07--*/

declare tb cursor local for
select id,start=datalength(['+@fdname+'])/2
from ['+@tbname+']
'+case isnull(@where,'') when '' then ''
else ' where '+@where end+'

drop table tb
--*/

open tb
fetch tb into @id,@start1
while @@fetch_status=0
begin
select @ptr=textptr(content)
from ['+@tbname+']
where id=@id

--测试数据
create table tb(id int identity(1,1),content ntext)
insert tb select 'a;sd'
union all select 'a;sdfkjas2qasdfdfsg45yhjhdfg45645a'

葡京网投哪个正规,if @start is null or @start1<@start
updatetext ['+@tbname+'].['+@fdname+'] @ptr null null @str
else
begin
set @start1=@start-1
updatetext ['+@tbname+'].['+@fdname+'] @ptr @start1 @length @str
end
fetch tb into @id,@start1
end
close tb
deallocate tb
'
exec sp_executesql @s
,N'@start int,@length int,@str nvarchar(4000)'
,@start,@length,@str
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