将整数转换成数字字母编号

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将整数转换成数字字母编号

1. declare @tstarttime datetime=getdate();
   
2.         PRINT dbo.fnpbCharCalc_NextChar('0123456789ABCDEFGHJKLMNPQRSTUWXY','0',8,4123523);
   
3. print 'SQL CLR 函数 spend '+cast(datediff(millisecond,@tstarttime,getdate()) as nvarchar(20))+' ms';
   
4. print '-----';
   
5. select @tstarttime=getdate();
   
6.         DECLARE @iIden INT = 4123523, @iLen INT = 8;
   
7.         DECLARE @sChar NVARCHAR(200) = '0123456789ABCDEFGHJKLMNPQRSTUWXY';
   
8.         DECLARE @iDivide INT=@iIden,@iRemainder INT=0;
   
9.         DECLARE @nCharLen INT = LEN(@sChar);
   
10.         DECLARE @rtnChar NVARCHAR(200)=0x;
    
11.         IF @nCharLen=0 RETURN;
    
12.         WHILE (1=1)
    
13.         BEGIN
    
14.           SELECT @iRemainder=@iDivide%@nCharLen;
    
15.           SELECT @iDivide=floor(@iDivide*1.0/@nCharLen);
    
16.           SELECT @rtnChar=SUBSTRING(@sChar,@iRemainder+1,1)+@rtnChar;
    
17.           IF @iDivide=0 BREAK;
    
18.         END;
    
19.         PRINT LEFT(REPLACE(SPACE(@iLen),' ','0'), @iLen-LEN(@rtnChar))+@rtnChar;
    
20. print 'SQL 函数 spend '+cast(datediff(millisecond,@tstarttime,getdate()) as nvarchar(20))+' ms';
    
21. print '-----';

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