(
@a varchar(200), --數組
@i int --數字
)
returns int
as
begin
declare @result int;--結果
declare @left varchar(200);--,號左邊數組
declare @h_left int;--左邊數字——
declare @h_right int;
set @result=0;
while charindex(',',@a)>0--循環語句
begin
set @left=left(@a,charindex(',',@a)-1)
if charindex('-',@left)>0
begin--myaaaa
set @h_left=left(@left,charindex('-',@left)-1)
set @h_right=right(@left,len(@left)-charindex('-',@left))
select @result=case when @i>@h_left-1 and @i<@h_right+1 then @result+1
else @result end
end
else
begin
select @result=case when convert(int,@left)=@i then @result+1 else @result end;
end
set @a=right(@a,len(@a)-charindex(',',@a));
end
if charindex('-',@a)>0
begin--myaaaa
set @h_left=left(@a,charindex('-',@a)-1)
set @h_right=right(@a,len(@a)-charindex('-',@a))
select @result=case when @i>@h_left-1 and @i<@h_right+1 then @result+1
else @result end
end
else
begin
select @result=case when convert(int,@a)=@i then @result+1 else @result end;
end
return @result;
end
select dbo.myaaaa1('4',4)
select dbo.myaaaa1('01,02,03,05,06,07,08,09,10,11,12,13,14,15,16',4)
select dbo.myaaaa1('1,3-6',4)
select dbo.myaaaa1('3,9-12',4)
select dbo.myaaaa1('1,3-6,9-12',4)
select dbo.myaaaa1('3,5-6,9-12',4)
嘻嘻，小有得瑟。