SQL批量删除

 1 create table test
 2  ( 
 3  id int IDENTITY (1,1) PRIMARY KEY , 
 4  sjName VarChar(80) default  null 
 5  )
 6 
 7  insert into test(sjName) values ('dsfs1'), ('dsfs2'), ('dsfs3'), ('dsfs4')
 8 select * from test
 9 
10 ALTER PROCEDURE pro_test 
11     @falg int,
12     @id varchar(200)
13 AS
14 BEGIN
15     if @falg=1
16         begin
17              declare @sql varchar(500)
18              set @sql='delete test where id in ('+@id+')'
19              execute(@sql) 
20         end
21 END
22 GO