摘要: 先创建函数create function F(@y float,@c float,@f float,@pv float,@m float,@n int,@d float)returns floatasbegindeclare @i intdeclare @ret floatset @i=0set @ret=0while @i<@nbeginset @ret=@ret+(@c/@f)*Powe... 阅读全文
posted @ 2009-06-26 17:32 tony smith 阅读(473) 评论(1) 推荐(0) 编辑