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  • sqlserver去掉字符串结尾的全角空格并用半角替换

    CREATE FUNCTION [dbo].[FDT_DELETE_ZK_SPACE](
    @str nvarchar(4000)
    ) returns nvarchar(4000)
    as
     
    begin
       declare @endp int,@endflag int,@length int,@i int,@j int, @appstr nvarchar(4000)
       ,@reversestr nvarchar(4000),@return_str nvarchar(4000)
       select @endflag = 0,@length=len(@str),@i=1,@reversestr = reverse(@str),@endp = 0
       if(SUBSTRING(@reversestr,1,1) = ' ')
       begin
         return @str
       end
       while (@endflag = 0 and @i<=@length)
       begin
          if(SUBSTRING(@reversestr,@i,1) != ' ')
            begin
              set @endflag = 1
              set @endp = @length - @i + 1
            end
            set @i = @i + 1
       end
       set @return_str = substring(@str,1,@endp)
       set @j=1  
       set @appstr= ''
       while(@j<=2*(@i-2))
       begin
          set @appstr = @appstr + ' '
          set @j = @j + 1
       end
       set @return_str = @return_str + @appstr
       return @return_str
    end

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  • 原文地址:https://www.cnblogs.com/JoePotter/p/4992188.html
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