¹¹Ô캯ÊýºÍÎö¹¹º¯Êý¿ÉÒÔÊÇÐ麯ÊýÂð

¹¹Ô캯Êý²»ÄÜÉùÃ÷ΪÐ麯Êý£¬Îö¹¹º¯Êý¿ÉÒÔÉùÃ÷ΪÐ麯оӾ³Ôõ̸Äáе¸£ÂÖÊý£¬¶øÇÒÓÐʱÊDZØÐëÉùÃ÷ΪÐ麯Êý¡£²»½¨ÒéÔÚ¹¹Ô캯ÊýºÍÎö¹¹º¯ÊýÀïÃæÇ׺ºÒå¿öľµ÷ÓÃÐ麯Êý¡£¹¹Ô캯Êý²»ÄÜÉùÃ÷ΪÐ麯ÊýµÄÔ­ÒòÊÇ:1¹¹ÔìÒ»¸ö¶ÔÏóµÄʱºò£¬±ØÐëÖªµÀ¶ÔÏóµÄʵ¼ÊÀàÐÍ£¬¶øÐ麯ÊýÐÐΪÊÇÔÚÔËÐÐÆÚ¼äÈ·¶¨Êµ¼ÊÀàÐ͵ġ£¶øÔÚ¹¹ÔìÒ»¸ö¶ÔÏóʱ£¬ÓÉÓÚ¶ÔÏó»¹Î´¹¹Ôì³É¹¦¡£±àÒëÆ÷ÎÞ·¨ÖªµÀ¶ÔÏóµÄʵ¼ÊÀàÐÍ£¬ÊǸÃÀà±¾Éí£¬»¹ÊǸÃÀàµÄÒ»¸öÅÉÉúÀ࣬»òÊǸüÉî²ã´ÎµÄÅÉÉúÀà¡£ÎÞ·¨È·¶¨¡£¡£¡£2Ð麯ÊýµÄÖ´ÐÐÒÀÀµÓÚÐ麯Êý±í¡£¶øÐ麯Êý±íÔÚ¹¹Ô캯ÊýÖнøÐгõʼ»¯¹¤×÷£¬¼´³õʼ»¯vptr£¬ÈÃËûÖ¸ÏòÕýÈ·µÄÐ麯Êý±í¡£¶øÔÚ¹¹Ôì¶ÔÏóÆڼ䣬Ð麯Êý±í»¹Ã»Óб»³õʼ»¯£¬½«ÎÞ·¨½øÐС£Ð麯ҵ»¹ÉÌʳ´ëÄÑϯÔò¶ùµ«ÊýµÄÒâ˼¾ÍÊÇ¿ªÆô¶¯Ì¬°ó¶¨£¬³ÌÐò»á¸ù¾Ý¶Ô»ýÊÓÓªÏóµÄ¶¯Ì¬ÀàÐÍÀ´Ñ¡ÔñÒªµ÷ÓõĿÎÎÞÍâÔ±Ó¡¸ÐÇÖËûӳУ·½·¨¡£È»¶øÔÚ¹¹Ô캯ÊýÔËÐеÄʱºò£¬Õâ¸ö¶ÔÏóµÄ¶¯Ì¬ÀàÐÍ»**»ÍêÕû£¬Ã»Óа취ȷ¶¨ÁÑÓÖÁùº¬¹ýʯ¾Öº¢Ëüµ½µ×ÊÇʲôÀàÐÍÑÒ¾Ù½º³ä×¼·áËÕΧÑó´Ó£¬¹Ê¹¹Ô캯Êý²»Äܶ¯Ì¬°ó¶¨¡££¨¶¯Ì¬°ó¶¨ÊǸù¾Ý¶ÔÏóµÄ¶¯Ì¬ÀàÐͶø²»ÊǺ¯ÊýÃû£¬ÔÚµ÷Óù¹Ô캯Êý֮ǰ£¬Õâ¸ö¶ÔÏó¸ù±¾¾Í²»´æÔÚ£¬ËüÔõô¶¯Ì¬°ó¶¨£¿£©±àÒëÆ÷ÔÚµ÷ÓûùÀàµÄ¹¹Ô캯ÊýµÄʱºò²¢²»ÖªµÀÄãÒª¹¹ÔìµÄÊÇÒ»¸ö»ùÀàµÄ¶ÔÏó»¹ÊÇÒ»¸öÅÉÉúÀàµÄ¶·ÓàÍêÕÂÕûÔ¤ÒÒÓÚ¾§ÆÀ¶ÔÏó¡£Îö¹¹º¯ÊýÉèΪÐ麯ÊýÕôÆûËýÈ»µÆ³µ°ÍµÄ×÷ÓÃ:½âÊÍ£ºÔÚÀàµÄ¼Ì³ÐÖУ¬Èç¹ûÓлùÀàÖ¸ÕëÖ¸ÏòÅÉÉúÀ࣬ÄÇôÓûùÀàÖ¸Õëdeleteʱ£¬Èç¹û²»¶¨Òå³ÉÐ麯Êý£¬ÅÉÉúÀàÖÐÅÉÉúµÄÄDz¿·ÖÎÞ·¨Îö¹¹¡£Àý£º#include"stda**.h"#´«´úºòinclude"stdio.h"classA{public:A();virtual~A();};A::A(){}A::~A(){printf("DeleteclassAPn");}classBÈ´¾²ÔƵÃÃ××ÖÔ´¶ÈÉõÉÆÃÞ:publicA{public:B();~B();};B::B(){}B::~B(){printf("DeleteclassBPn");}intmain(intargcËã¿Î±ð´¦Ñø¾­³Ì·½,char*ar**[]){A*b=newB;deleteb;return0;}Êä³ö½á¹ûΪ£ºDeleteclasË꾧ϸsBDeleteclassAÈç¹û°Ñ°ûµØAµÄvirtualÈ¥µô£ºÄǾͱä³ÉÁËDeleteclaÕûÌÖssAÒ²¾ÍÊÇ˵²»»áɾ³ýÅÉÉúÀàÀïµÄÊ£Óಿ·ÖÄÚÈÝ£¬Ò²¼´²»µ÷ÓÃÅÉÉúÀàµÄÐ麯ÊýÒò´ËÔÚÀàµÄ¼Ì³ÐÌåϵÖУ¬»ùÀàµÄÎö¹¹º¯Êý²»ÉùÃ÷ΪÐ麯ÊýÈÝÒ×Ôì³ÉÄÚ´æй©¡£ËùÒÔÈç¹ûÄãÉè¼ÆÒ»¶¨Àà¿ÉÄÜÊÇ»ùÀàµÄ»°£¬±ØÐëÒªÉùÃ÷ÆäΪÐ麯Êý¡£ÕýÈçSymbianÖеÄCBaseÒ»Ñù¡£Note£º1.Èç¹ûÎÒÃǶ¨ÒåÁËÒ»¸ö¹¹Ô캯Êý£¬±àÒëѹÀ­ÅÅÆûºþÒ¹Æ÷¾Í²»»áÔÙΪÎÒÃÇÉú³ÉĬÈϹ¹Ô캯ÊýÁË¡£2.±àÒëÆ÷Éú³ÉµÄÎö¹¹º¯ÊýÊÇ·ÇÐéµÄ£¬³ý·ÇÊÇÒ»¸ö×ÓÀ࣬Æ丸ÀàÓиöÐéÎö¹¹£¬´ËʱµÄº¯ÊýÐéÌØÐÔÀ´×Ô¸¸Àà¡£3.ÓÐÐ麯ÊýµÄÀ࣬¼¸ºõ¿ÉÒÔÈ·¶¨ÒªÓиöÐéÎö¹¹º¯Êý¡£4.Èç¹ûÒ»¸öÀ಻¿ÉÄÜÊÇ»ùÀà¾Í²»ÒªÉêÃ÷Îö¹¹º¯ÊýΪÐ麯Êý£¬Ð麯ÊýÊÇÒªºÄ·Ñ¿Õ¼äµÄ¡£5.Îö¹¹º¯ÊýµÄÒì³£Í˳ö»áµ¼ÖÂÎö¹**»ÍêÈ«£¬´Ó¶øÓÐÄÚ´æй¶¡£×îºÃÊÇÌṩһ¸ö¹ÜÀíÀ࣬ÔÚ¹ÜÀíÀàÖÐÌṩһ¸ö·½·¨À´Îö¹¹£¬µ÷ÓÃÕßÔÙ¸ù¾ÝÕâ¸ö·½·¨µÄ½á¹û¾ö¶¨ÏÂÒ»²½µÄ²Ù×÷¡£6.ÔÚ¹¹Ô캯Êý²»Òªµ÷ÓÃÐ麯Êý¡£ÔÚ»ùÀ๹ÔìµÄʱºò£¬Ð麯ÊýÊÇ·ÇÐ飬²»»á×ßµ½ÅÉÉúÀàÖУ¬¼ÈÊDzÉÓõľ²Ì¬°ó¶¨¡£ÏÔÈ»µÄÊÇ£ºµ±ÎÒùÔìÒ»¸ö×ÓÀàµÄ¶ÔÏóʱ£¬Ïȵ÷ÓûùÀàµÄ¹¹Ô캯Êý£¬¹¹Ôì×ÓÀàÖлùÀಿ·Ö£¬×ÓÀ໹ûÓй¹Ô죬»¹Ã»Óгõʼ»¯£¬Èç¹ûÔÚ»ùÀàµÄ¹¹ÔìÖе÷ÓÃÐ麯Êý£¬Èç¹û¿ÉÒԵĻ°¾ÍÊǵ÷ÓÃÒ»¸ö»¹Ã»Óб»³õʼ»¯µÄ¶ÔÏó£¬ÄÇÊǺÜΣÏյģ¬ËùÒÔC++ÖÐÊDz»¿ÉÒÔÔÚ¹¹Ô츸Àà¶ÔÏ󲿷ֵÄʱºòµ÷ÓÃ×ÓÀàµÄÐ麯ÊýʵÏÖ¡£µ«ÊDz»ÊÇ˵Äã²»¿ÉÒÔÄÇôд³ÌÐò£¬ÄãÕâôд£¬±àÒëÆ÷Ò²²»»á±¨´í¡£Ö»ÊÇÄãÈç¹ûÕâôдµÄ»°±àÒëÆ÷²»»á¸øÄãµ÷ÓÃ×ÓÀàµÄʵÏÖ£¬¶øÊÇ»¹Êǵ÷ÓûùÀàµÄʵÏÖ¡£7.ÔÚÎö¹¹º¯ÊýÖÐÒ²²»Òªµ÷ÓÃÐ麯Êý¡£ÔÚÎö¹¹µÄʱºò»áÊ×Ïȵ÷ÓÃ×ÓÀàµÄÎö¹¹º¯Êý£¬Îö¹¹µô¶ÔÏóÖеÄ×ÓÀಿ·Ö£¬È»ºóÔÚµ÷ÓûùÀàµÄÎö¹¹º¯ÊýÎö¹¹»ùÀಿ·Ö£¬Èç¹ûÔÚ»ùÀàµÄÎö¹¹º¯ÊýÀïÃæµ÷ÓÃÐ麯Êý£¬»áµ¼ÖÂÆäµ÷ÓÃÒѾ­Îö¹¹Á˵Ä×ÓÀà¶ÔÏóÀïÃæµÄº¯Êý£¬ÕâÊǷdz£Î£Ïյġ£8.¼ÇµÃÔÚдÅÉÉúÀàµÄ¿½±´º¯Êýʱ£¬µ÷ÓûùÀàµÄ¿½±´º¯Êý¿½±´»ùÀàµÄ²¿·Ö£¬²»ÄÜÍü¼ÇÁË¡£