Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÔÚVB6ÖÐÓÃCopyMemory¿½±´×Ö·û´®µÄÖÖÖÖèÄ壨һ£©

±¾ÎÄÀ´×Ô´ËÌûµÄÈß³¤ÌÖÂÛ£¬¸ÐлTiger_ZhaoµÄÈ«³ÌÖ¸µãºÍ³Â»Ô¡¢°¢Ó¡¢ÂíÔÆ½£µÈºÜ¶àÅóÓѵÄÈÈÐIJÎÓë¡£±¾ÎÄÆäËû²¿·ÖÔÚ£º£¨¶þ£©¡¢£¨Èý£©¡¢£¨ËÄ£©¡£
 
»°ËµVB6ÊǸöºÜÈÏÕæÏ¸ÖµÄÂèÂ裬Ëü»áÇÄûÉùµØ°ïÄã×öºÜ¶àÊ¡£½ñÌìÎÒÃÇÀ´ËµµÄÊÇVB6ÔÚAPIµ÷ÓÃʱ×Ô¶¯¶Ô×Ö·û´®²ÎÊý½øÐÐת»»µÄ“ºÃÈ˺ÃÊ”¡£ 
µÚÒ»½Ú ÌåÌùµÄVBÂèÂè
ÎÒÃÇÖªµÀ£¬ÔÚVB6ÖÐ×Ö·û´®¶¼ÊÇÒÔUnicode±àÂë´æÔڵ쬶øWindows APIº¯ÊýÖкܶàʱºòÓõÄÊÇANSI×Ö·û´®¡£VBÂèÂ躦ųÌÐòÔ±ÃÇÀÛ×Å£¬ËùÒÔÔÚVB³ÌÐòÔ±µ÷ÓÃAPIʱ£¬»á×Ô¶¯µÄ¶ÔÆäÖеÄ×Ö·û´®²ÎÊý×öUnicodeµ½ANSIµÄת»»£¨ÒÔϼò³ÆUAת»»£©£¬ÔÚAPIµ÷ÓýáÊøºó»áÔÙ°Ñ×Ö·û´®²ÎÊý×öANSIµ½UnicodeµÄת»»£¨ÒÔϼò³ÆAUת»»£©¡£ÕâÑù˵¿ÉÄÜÓеã³éÏó£¬ÎÒÃÇÀ´¿´ÏÂÃæµÄÀý×Ó¡£'ÕýÈ·µÄByVal StringµÄÓ÷¨
Option Explicit
Const STR_E = "PowerVB"
Private String1 As String
Private String2 As String
Private pString1 As Long
Sub test7()
Dim String1 As String
Dim String2 As String
' Dim _tmp1 As String, _tmp2 As String

String1 = "PowerVB" '14 bytes
String2 = String$(7, 0) '14 bytes

CopyMemory ByVal String2, ByVal String1, 7

' _tmp1 = StrConv(String1, vbfromUnicode) '7 bytes
' _tmp2 = StrConv(String2, vbfromUnicode) '7 bytes
' CopyMemory ByVal _tmp2, ByVal _tmp1, 7

Debug.Print String2
End Sub
ÈçÉÏͼËùʾ£¬µ±ÎÒÃÇÔÚVBÖе÷ÓÃCopyMemory ByVal String2, ByVal String1, 7µÄʱºò·¢ÉúÁËÈçÏÂÊÂÇ飺
¢ÙÊ×ÏÈVBÂèÂè°ïÎÒÃǶÔString1ºÍString2×Ô¶¯×öÁËUAת»»£¬Ò²¾ÍÊÇÏ൱ÓÚ×öÁËÈçÏÂÊÂÇ飺Dim _tmp1 As String, _tmp2 As String
_tmp1 = StrConv(String1, vbfromUnicode) '7 bytes
_tmp2 = StrConv(String2, vbfromUnicode) '7 bytesÒ²¾ÍÊÇ˵£¬Á½¸ö14×Ö½ÚµÄUnicode×Ö·û´®ÏÖÔÚ±»´æÔÚÁ½¸ö7×Ö½ÚµÄANSI×Ö·û´®ÀïÁË¡£
¢ÚÈ»ºóCopyMemoryº¯Êý¾Í×öʵ¼ÊµÄ¿½±´¶¯×÷¡£×¢Ò⣬ÕâʱCopyMemoryµÃµ½µÄ²ÎÊý²»ÊÇString1, String2ÁË£¬¶øÊÇVBÂèÂè´«¸øËüµÄ_tmp1, _tmp2ÁË¡£ËùÒÔ£¬Êµ¼ÊÉÏ£¬CopyMemoryͬѧÊÇÔÚÕâô¸É»î£ºCopyMemory ByVal _tmp2, ByVal _tmp1, 7¡£Ò²¾ÍÊÇ£¬´Ó_tmp1µÄ»º³åÇø¿½±´7¸ö×Ö½Úµ½_tmp2µÄ»º³åÇø¡£
¢ÛCopyMemoryͬѧ¸ÉÍê»î£¬VBÂèÂèÓÖϸÐĵØ×öÉÆºó¹¤×÷¡£Ëü°Ñ_tmp2µÄÄÚÈÝÔÙת³É14×Ö½ÚµÄUnicode×Ö·û´®£¬²¢°ÑËü¸øString2¡£
PS£º
£¨1£© ÎÄ×ÖÖдøÈ


Ïà¹ØÎĵµ£º

¹ØÓÚActiveXµÄ½Ì³Ì[vb]£¨×ªÌû£©

¹ØÓÚActiveXµÄ½Ì³Ì
Visual BasicÊÇÃæÏò¶ÔÏóµÄ³ÌÐòÉè¼ÆÓïÑÔ£¬Î¢Èí¹«Ë¾ÍÆ³öÁËActiveX¼¼Êõ£¬ÀûÓÃActiveX¼¼ÊõÌá³öµÄ±ê×¼£¬¶Ô½çÃæµÄÉè¼Æ½øÐÐÁË·â×°£¬ÐγÉÁËһϵÁбà³Ì¿Ø¼þ£¬¼´Ìض¨¹¦ÄܵijÌÐòÄ£¿é¡£ÔÚ³ÌÐòµÄÉè¼ÆÖУ¬Éè¼ÆÈËÔ±Ö»ÐèÒªÍ϶¯ËùÐè¿Ø¼þµ½´°Ì壬Ȼºó¶Ô¿Ø¼þ½øÐÐÊôÐÔÉèÖúÍʹÓÃÆä·½·¨¡¢Ê¼þ¼´¿É£¬´ó´ó¼õÇáÁË·±ËöµÄ³ÌÐòÉè¼Æ¡ ......

VCµ÷ÓÃVBµÄdll

Óо²Ì¬ºÍ¶¯Ì¬Á½ÖÖ£¬¾²Ì¬µÄÐèÒªlib¶ø¶¯Ì¬µÄÖ»ÐèÒªÒ»¸ödll¾Í¿ÉÒÔÁË£¨µ«ÊÇÒªÖªµÀº¯ÊýµÄ¶¨ÒåÒ»°ãÊÇÍ·ÎÄ
¼þ£©¶¯Ì¬Ïà¶Ô¸´ÔÓÒ»µã£¡µ«ÊÇÕÆÎÕÁËÒ²²»ÊǺÜÄÑ  
  //µÚÒ»²½     ¶¨Ò庯ÊýÖ¸Õë¾ÍÊÇÄãÒªµ÷Óõĺ¯Êý£¬²ÎÊý±ØÐëÒ»Ö£¬²»È»¾ÍÄÚ´æÐ¹Â¶  
  typedef   HANDLE ......

vb²Ù×÷sqlÊý¾Ý¿âµÄµäÐÍÀý×Ó

±¾³ÌÐòÓÐÒ»²Ëµ¥¿ªÊ¼£¬ÀïÃæÓвéѯ£¬É¾³ý£¬Ð޸ģ¬Ìí¼Ó£¬³ÌÐò²»Ò»Ò»Áгö£¬Ö»Ð´³ö»ù±¾µÄ¹ý³Ì£¬Á¬½ÓÊý¾Ý¿â²ÉÓñê׼ģ¿é£º
'Public publicstr As String
Public conn As ADODB.Connection
Public rs As ADODB.Recordset
Public Sub main()     'Êý¾Ý¿âÁ¬½Ó¹²Ïíº¯Êý
  Set conn = New ADODB.Connect ......

VBÖеÄUnicode ºÍ Ansi ¸ñʽ ת»»


 VBÖеÄUnicode ºÍ Ansi ¸ñʽ
    Visual Basic 32-bit °æ±¾µÄ×Ö´®´¦Àí²ÉÓà Unicode£¬Ò²¾ÍÊÇ˵×Ö´®ÔÚ VB ÄÚ²¿ÊÇÒÔUnicode µÄ¸ñʽÀ´´æ·Å¡£ºÎν Unicode£¿¼òµ¥µÄ˵£¬¾ÍÊÇÿһ¸ö×Ö·û¶¼ÊÇÒÔ 2-byte µÄÐÎʽ±íʾ£¬¶øÃ¿¸ö¡¸ÊµÌå×Ö·û¡¹¾ÍÊÇÒ»¸ö¡¸×Ö·û¡¹¡£Òò´Ë£¬
 Len("´ó¼ÒºÃ")
 Len("abc")
& ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ