*!* 作者：十豆三
*!* 日期：2011-12-26
*!* vfp版本：vfp9.0(SP2 7423)
*!* 操作系统：Windows XP(SP3)
*!* 功能：将字符串尽量平均分成等长度的子字符串,且不受中文字影响
*!* 参数：tcStr ==> 要做分割的字符串,tnLen ==> 想分成的长度
*-- 如：
?CUT_STR('枸缘酸他莫昔芬/10mg*100s/上海制药一厂',20)
?CUT_STR('一二三四五六七八九十1234567890123456789一二三四五六七八九十',20)
?CUT_STR('1234567890123456789012345',20)
Function CUT_STR
Parameters tcStr,tnLen
tcStr=Alltrim(tcStr)
Local lcRetStr
lcRetStr=''
Do While !Empty(tcStr)
If Between(Asc(Rightc(Left(tcStr,tnLen),1)),128,255)
lcRetStr=lcRetStr+Chr(10)+Left(tcStr,tnLen-1)
tcStr=Substr(tcStr,tnLen)
Else
lcRetStr=lcRetStr+Chr(10)+Left(tcStr,tnLen)
tcStr=Substr(tcStr,tnLen+1)
Endif
Enddo
Return Substr(lcRetStr,2)
Endfunc