VFP ·R¥ÎªÌªÀ°Ï ­º­¶ VFP ·R¥ÎªÌªÀ°Ï
¥»°Q½×°Ï¬° Visual Foxpro ·R¥ÎªÌ¸gÅç¥æ¬yªº¦a¤è, ½Ð¦h¦h§Q¥Î"·j´M"ªº¥\¯à, ¥ý¬d¬Ý¬Ý¦³µL«e¨Ò¥i´`, ¦pªGÁÙ¦³¤£À´ªº¦Aµo°Ý. ³¡¥÷¥DÃD¦³ªþ¥[ÀÉ®×, ¶·¥ýµù¥U¦¨¬°ªÀ°Ï©~¥Á¤~¥i¥H¤U¸ü.
 
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VFP¤U±K½X§Þ³N (Âà¶K)

 
µoªí·s¥DÃD   ¦^ÂÐ¥DÃD    VFP ·R¥ÎªÌªÀ°Ï ­º­¶ -> VFP °Q½×°Ï
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µù¥U®É¶¡: 2003-03-12
¤å³¹: 1698
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µoªíµoªí©ó: ¬P´Á¤­ ¤@¤ë 16, 2004 8:47 pm    ¤å³¹¥DÃD: VFP¤U±K½X§Þ³N (Âà¶K) ¤Þ¨¥¦^ÂÐ

±K½X¤@¯ë¥i¥H¤À¬°¦p¤U´XºØ¡G
(1)«OÅ@¯à¤O¸û§Cªº±K½X
(2)¥iÅܱK½X
(3)¤£©w®Éªº±K½X
§Ú­Ì¥ý¨Ó¤¶²Ð²Ä¤@ºØ¤èªk¡A«OÅ@¯à¤O¸û§Cªº±K½X¬O«ü©T©w±K½X­Èªº¤èªk¡A¤ñ¸û¸¨«á¡A¦p¤U¨Ò¡G
count=0
m.pass=sapce(7)
do while count<3
count=count+1
@1,1 get m.pass picture"XXXXXXX"
read
if m.pass<>"CHINESE"
wait windows"±K½X¿é¤J¿ù»~"
loop
else
wait windows"³q¹L"
exit
endif
enddo
¹ï©ó¥iÅܱK½X¤@¯ë¨Ï¥Î¸m´«ªk¡A¦p¤U¨Ò¡G
----------------------------------------------------------------------
¦r¤¸ |ABCDEFGHIJKLMNOPQRSTUVWXYZ
¸m´«ªí |QPWORIEUTYALSDJFHGMZNXBCV
----------------------------------------------------------------------
±K½X |FOXPRO
¸m´««á |IDBJHD
----------------------------------------------------------------------
³oºØ¤èªkÁöµM®e©ö¯}±K¡A¦ý¬O¦³¤@©wªºÃø«×¡C
¹ï©ó¤£©w®É±K½X¡A¤u§@¤è¦¡¬O¡GÀH§Y¨ú±o¤@­Ó1-5ªº¼Æ¡A¨ÃÁn©ú¤@­ÓÅܼƥH«K°O¼Æ¡A¦b¨C¤@­Ó¹Lµ{©Î¨ç¼Æ°õ¦æ«e¡A²Ö¥[¸ÓÅܼƪº­È¡A·íÅܼƭȵ¥©óÀH¾÷­Èªº®É­Ô¡A§Y½Õ¥Î±K½X¿é¤J¹Lµ{¡A³oºØ¤èªkÁöµMÁô¯µ¡A¦ý¬O¦bµ{¦¡¤¤¹ê¥Î©Ê¤£¬O«Ü¤j¡A©Ò¥H§Ú­Ì¤£¶i¦æ²Ó½oªº¤¶²Ð¡A¤U­±§Ú­Ì¤¶²Ð¤@ºØ°ª¯Åªº±K½X³B²z¤è¦¡¡A¤]¤ñ¸û²³æ¨Ï¥Î¡C
°ª¯Å±K½X³B²z¡C«e­±§Ú­Ì¤w¸g¤¶²Ð¹L¸m´«ªk¡A°ª¯Å±K½X«h¬O¨Ï¥Î­pºâªº¤è¦¡§ïÅܱK½Xªº¼Ë¦¡¡AA¥i¯àÅܦ¨¡G¦ÓB¥i¯àÅܦ¨@¡A¦p¤U¨Ò¡G
¥[±K¡G
tempstr=''
for i=1 to len(trim(password))
tempchr=bitxor(asc(subs(password,i,1)),123)
tempstr=tempstr+chr(tempchr)
endfor
replace passkey with tempstr
¸Ñ±K¡G
tempstr=''
for i=1 to len(trim(password))
tempchr=bitxor(asc(subs(password,i,1)),123)
tempstr=tempstr+chr(tempchr)
endfor
if passkey #tempstr
?"±K½X¿ù»~"
endif
¦b³o­Óµ{¦¡ùØ­±½Õ¥Î¤FBITXOR¨ç¼Æ¡A§Ú­Ì²{¦b¤¶²Ð¤@¤U³o­Ó¨ç¼Æªº¨Ï¥Î¤èªk¡G
§@¥Î¡G ªð¦^¨â­Ó¼Æ­È«¬¼Æ­È«ö¦ì¶i¦æ²§©Î¹Bºâªºµ²ªG¡C
»yªk BITXOR(nExpression1, nExpression2)
°Ñ¼Æ nExpression1, nExpression2
«ü©w­n«ö¦ì¶i¦æ²§©Î¹Bºâªº¨â­Ó¼Æ­È¡C¦pªG nExpression1 ©M nExpression2 ¤£¬O¾ã¼Æ¡A¨º »ò¥¦­Ì¦b¦ì¾Þ§@¤§«e¡A±NÂà´«¦¨¾ã¼Æ¡C
ªð¦^­ÈÃþ«¬ ¼Æ­È«¬
»¡©ú
BITXOR( ) ¨ç¼Æ¤ñ¸û nExpression1 ©M nExpression2 ªº¨C­Ó¹ïÀ³¦ì¡C¦pªG¤@­Ó¼Æªº¬Y¤@¦ì¬° 0¡A¨Ã¥B¥t¤@­Ó¼Æ¬ÛÀ³¦ì¬° 1¡A¨º»ò¾Þ§@µ²ªGªº¹ïÀ³¦ìµ¥©ó 1¡F§_«hµ¥©ó 0¡C
¤Uªí¦C¥X¹ï nExpression1 ©M nExpression2 «ö¦ì¶i¦æ²§©Î¹Bºâªºµ²ªG¡G
nExpression1 ¦ì nExpression2 ¦ì µ²ªG¦ì
0 0 0
0 1 1
1 0 1
1 1 0
¹ï©ó¦bVFP¤¤¿é¤J±K½X®ÉÅã¥Üªº*¡A§A¥i¥H¦bTEXTªºpasswordCHR¤¤¡A¿é¤J*¡A´N¥i¥H¤F¡C

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