G gzxyq Unregistered / Unconfirmed GUEST, unregistred user! 2006-06-01 #1 当ID=-1时(-1为十进制),(ID & 0x0F) + 0x30值是多少??
N newsmile Unregistered / Unconfirmed GUEST, unregistred user! 2006-06-01 #2 -1=11111111 0x0F=00001111 ------------- 00001111 0x30=00110000 ------------- 00111111=63 或0x3F
J jennykiller Unregistered / Unconfirmed GUEST, unregistred user! 2006-06-01 #3 ID=-1 (ID & 0x0F) = 15 (ID & 0x0F) + 0x30 = 15+48=63