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锘??xml version="1.0" encoding="utf-8" standalone="yes"?>日本精品久久久久中文字幕8,国内精品伊人久久久久AV影院,97精品国产91久久久久久http://www.shnenglu.com/shaojingliu/shaojingliuzh-cnSat, 28 Jun 2025 22:36:12 GMTSat, 28 Jun 2025 22:36:12 GMT60vtable紺烘剰鍥?/title><link>http://www.shnenglu.com/shaojingliu/archive/2013/03/04/198201.html</link><dc:creator>shaojingliu</dc:creator><author>shaojingliu</author><pubDate>Mon, 04 Mar 2013 07:29:00 GMT</pubDate><guid>http://www.shnenglu.com/shaojingliu/archive/2013/03/04/198201.html</guid><wfw:comment>http://www.shnenglu.com/shaojingliu/comments/198201.html</wfw:comment><comments>http://www.shnenglu.com/shaojingliu/archive/2013/03/04/198201.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/shaojingliu/comments/commentRss/198201.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/shaojingliu/services/trackbacks/198201.html</trackback:ping><description><![CDATA[<img src="http://www.learncpp.com/images/CppTutorial/Section12/VTable.gif" width="492" height="483" alt="" /><img src ="http://www.shnenglu.com/shaojingliu/aggbug/198201.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/shaojingliu/" target="_blank">shaojingliu</a> 2013-03-04 15:29 <a href="http://www.shnenglu.com/shaojingliu/archive/2013/03/04/198201.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>vtable嫻嬭瘯http://www.shnenglu.com/shaojingliu/archive/2013/03/04/198200.htmlshaojingliushaojingliuMon, 04 Mar 2013 07:03:00 GMThttp://www.shnenglu.com/shaojingliu/archive/2013/03/04/198200.htmlhttp://www.shnenglu.com/shaojingliu/comments/198200.htmlhttp://www.shnenglu.com/shaojingliu/archive/2013/03/04/198200.html#Feedback0http://www.shnenglu.com/shaojingliu/comments/commentRss/198200.htmlhttp://www.shnenglu.com/shaojingliu/services/trackbacks/198200.html 1 typedef unsigned int uint;
2 typedef void (*callPtr)();
3
4 class CBaseClass
5 {
6 public:
7     CBaseClass(){}
8     ~CBaseClass(){}
9     virtual void Print()
10     {
11         printf("Call: CBaseClass Print\n");
12     }
13 };
14
15 class CDeriveClass: public CBaseClass
16 {
17 public:
18     CDeriveClass(){}
19     ~CDeriveClass(){}
20     virtual void Print()
21     {
22         printf("Call: CDeriveClass Print\n");
23     }
24 };
25
26 int main()
27 {
28     // 鍒涘緩瀵硅薄 pDeriveA
29     CBaseClass* pDeriveA= new CDeriveClass();
30     // 鑾峰緱瀵硅薄A鐨剉table
31     uint* pVTableA= (uint*)*((uint*)pDeriveA);
32     // 鍙栧緱vtable涓0涓猣unction
33     callPtr funcA= (callPtr)pVTableA[0];
34     // 璋冪敤Print
35     funcA();
36
37     // 鍒涘緩瀵硅薄 pDeriveB
38     CBaseClass* pDeriveB= new CDeriveClass();
39     // 鑾峰緱瀵硅薄B鐨剉table
40     uint* pVTableB= (uint*)*((uint*)pDeriveB);
41     // 2涓璞＄殑VTable搴旇鐩哥瓑
42     printf("vtable %s\n", (pVTableA== pVTableB) ? "Equal!" : "Not Equal!");
43
44     return 0;
45 }
46

shaojingliu 2013-03-04 15:03 鍙戣〃璇勮