use [test]
go/****** object: userdefinedfunction [dbo].[randtennums] script date: 2019/7/23 15:40:16 ******/
set ansi_nulls on
goset quoted_identifier on
gocreate function [dbo].[randtennums]()
returns varchar(10)
asbegin
declare @i int
declare @flag int
declare @serialnumber nvarchar(20)
declare @rands numeric(38,38)
--初始化設定
set @i=1
set @serialnumber = ''
--生成10位隨機碼
while @i<11
begin
--設定隨機，這個隨機會選擇字母（大小寫）還是數字
select @rands = rand_a from [dbo].[vw_rand]
set @flag=ceiling(@rands *3)
if @flag=1
begin
--隨機字母（大寫去除大寫的o）
select @rands = rand_a from [dbo].[vw_rand]
while char(65+ceiling(@rands * 25)) = 'o'
begin
select @rands = rand_a from [dbo].[vw_rand]
endselect @serialnumber=@serialnumber+char(65+ceiling(@rands * 25))
endelse if @flag=2
begin
--隨機字母（小寫去除小寫的o）
select @rands = rand_a from [dbo].[vw_rand]
while char(97+ceiling(@rands * 25)) = 'o'
begin
select @rands = rand_a from [dbo].[vw_rand]
endselect @serialnumber=@serialnumber+char(97+ceiling(@rands * 25))
endelse begin
--隨機數字 1至9的隨機數字(整數)
while cast(ceiling(@rands * 9) as varchar(1)) = '0'
begin
select @rands = rand_a from [dbo].[vw_rand]
endselect @rands = rand_a from [dbo].[vw_rand]
select @serialnumber=@serialnumber+cast(ceiling(@rands * 9) as varchar(1))
end--進行下乙個迴圈
set @i=@i+1
endreturn @serialnumber;
end
任意數字大小寫字母的隨機數的產生
vb.net版 private shared constant aschar public shared function generaterandom function generaterandom byval length asinteger as string dimnewrandom ass...
任意數字大小寫字母的隨機數的產生
vb.net版 private shared constant aschar public shared function generaterandom function generaterandom byval length asinteger as string dimnewrandom ass...
Random的生成隨機數小寫字母 數字
生成隨機數字和字母,public static string getstringrandom int length if isnum 6 輸出字母還是數字 if char equalsignorecase charornum else if num equalsignorecase charornu...