SQL 自动转化表为insert语句的Util

--针对任何表

IF EXISTS (SELECT 1 FROM SYSOBJECTS WHERE ID = OBJECT_ID('dbo.proc_insert') AND sysstat & 0xf = 4)
    drop procedure dbo.proc_insert
GO
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create proc proc_insert (@tablename varchar(256))
as
begin
set nocount on
declare @sqlstr varchar(4000)
declare @sqlstr1 varchar(4000)
declare @sqlstr2 varchar(4000)
declare @leftC varchar(3)
declare @rightR varchar(3)
select @sqlstr='select ''insert '+@tablename
select @sqlstr1=''
select @leftC='['
select @rightR=']'
select @sqlstr2=' ('
select @sqlstr1= ' values ( ''+'
select @sqlstr1=@sqlstr1+col+'+'',''+' ,@sqlstr2=@sqlstr2+@leftC+name+@rightR+',' from (select case 
-- when a.xtype =173 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.length*2+2)+'),'+a.name +')'+' end'

when a.xtype =127 then 'case when ['+a.name+'] is null then ''NULL'' else '+'convert(varchar(20),['+a.name +'])'+' end'
when a.xtype =104
 then 'case when ['+a.name+'] is null then ''NULL'' else '+'convert(varchar(1),['+a.name +'])'+' end'
when a.xtype =175 then 'case when ['+a.name+'] is null then ''NULL'' else '+'''''''''+'+'replace(['+a.name+'],'''''''','''''''''''')' + '+'''''''''+' end'
when a.xtype =61 then 'case when ['+a.name+'] is null then ''NULL'' else '+'''''''''+'+'convert(varchar(23),['+a.name +'],121)'+ '+'''''''''+' end'
when a.xtype =106 then 'case when ['+a.name+'] is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),['+a.name +'])'+' end'
when a.xtype =62 then 'case when ['+a.name+'] is null then ''NULL'' else '+'convert(varchar(23),['+a.name +'],2)'+' end'
when a.xtype =56 then 'case when ['+a.name+'] is null then ''NULL'' else '+'convert(varchar(11),['+a.name +'])'+' end'
when a.xtype =60 then 'case when ['+a.name+'] is null then ''NULL'' else '+'convert(varchar(22),['+a.name +'])'+' end'
when a.xtype =239 then 'case when ['+a.name+'] is null then ''NULL'' else '+'''''''''+'+'replace(['+a.name+'],'''''''','''''''''''')' + '+'''''''''+' end'
when a.xtype =108 then 'case when ['+a.name+'] is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),['+a.name +'])'+' end'
when a.xtype =231 then 'case when ['+a.name+'] is nullthen ''NULL'' else '+'''''''''+'+'replace(['+a.name+'],'''''''','''''''''''')' + '+'''''''''+' end'
when a.xtype =59 then 'case when ['+a.name+'] is null then ''NULL'' else '+'convert(varchar(23),['+a.name +'],2)'+' end'
when a.xtype =58 then 'case when ['+a.name+'] is null then ''NULL'' else '+'''''''''+'+'convert(varchar(23),['+a.name +'],121)'+ '+'''''''''+' end'
when a.xtype =52 then 'case when ['+a.name+'] is null then ''NULL'' else '+'convert(varchar(12),['+a.name +'])'+' end'
when a.xtype =122 then 'case when ['+a.name+'] is null then ''NULL'' else '+'convert(varchar(22),['+a.name +'])'+' end'
when a.xtype =48 then 'case when ['+a.name+'] is null then ''NULL'' else '+'convert(varchar(6),['+a.name +'])'+' end'
-- when a.xtype =165 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.length*2+2)+'),'+a.name +')'+' end'


when a.xtype =167 then 'case when ['+a.name+'] is null then ''NULL'' else '+'''''''''+'+'replace(['+a.name+'],'''''''','''''''''''')' + '+''
'''''''+' end'
else '''NULL'''
end as col,a.colid,a.name
from syscolumns a where a.id = object_id(@tablename) and a.xtype <>189 and a.xtype <>34 and a.xtype <>35 and a.xtype <>36)t order by [colid]
select @sqlstr=@sqlstr+left(@sqlstr2,len(@sqlstr2)-1)+') '+left(@sqlstr1,len(@sqlstr1)-3)+')'' from '+@tablename
 print @sqlstr
exec( @sqlstr)
set nocount off
end