sqlserver 格式化数字，加前导零
select right(cast(power(10,3) as varchar)+33,3)
select right(cast(power(10,3) as varchar)+1,3)
分别格式化33和1
结果为
033
001
select right(cast(power(10,3) as varchar)+33,3)
select right(cast(power(10,3) as varchar)+1,3)
分别格式化33和1
结果为
033
001