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/* SELECT dbo.fn_PadLeft(‘8‘, ‘0‘, 6) */ create function fn_PadLeft(@num nvarchar(16),@paddingChar char(1),@totalWidth int) returns nvarchar(16) as begin declare @curStr nvarchar(16) select @curStr = isnull(replicate(@paddingChar,@totalWidth - len(isnull(@num ,0))), ‘‘) + @num return @curStr end
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原文地址：http://www.cnblogs.com/zjflove/p/4600238.html
