IMEI校验码计算

/*返加IMEI校验码*/CREATEFUNCTIONFnIMEICheck(@valuenvarchar(14))RETURNSVARCHAR(15)ASBEGINdeclare@resultnvarchar(15)declare@lenintdeclare@nintdeclare@sum1intdeclare@sum2intdeclare@sumintdeclare@sSumnvarchar(10)select@len=len(@value)select@n=1select