判断其ASC值,大写字母A-Z的ASC值为65-90,小写字母a-z的ASC值为97-122。=if(AND(ASC(A1)>97,ASC(A1)<=122),b1*10,0)
=IF(A1="a",B1*10,0)
单元格只输入1个字符还是多个字符,如果是字母然后怎样?