聽(tīng)1聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)#include聽(tīng)<聽(tīng)iostream聽(tīng)>
聽(tīng)2聽(tīng)
聽(tīng)3聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)using聽(tīng)namespace聽(tīng)std;
聽(tīng)4聽(tīng)
聽(tīng)5聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)class聽(tīng)base{
聽(tīng)6聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)public:
聽(tīng)7聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)virtual聽(tīng)void聽(tīng)f(char聽(tīng)i){
聽(tīng)8聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)cout聽(tīng)<<聽(tīng)"Base聽(tīng)class:聽(tīng)"聽(tīng)<<聽(tīng)i聽(tīng)<<聽(tīng)endl;
聽(tīng)9聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)};
10聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)virtual聽(tīng)void聽(tīng)f(double聽(tīng)d){
11聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)cout聽(tīng)<<聽(tīng)"Base聽(tīng)class:聽(tīng)"聽(tīng)<<聽(tīng)d聽(tīng)<<聽(tīng)endl;
12聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)}
13聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)};
14聽(tīng)
15聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)class聽(tīng)derived聽(tīng):聽(tīng)public聽(tīng)base{
16聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)public:
17聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)void聽(tīng)f(char聽(tīng)i){
18聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)cout聽(tīng)<<聽(tīng)"Derived聽(tīng)class:聽(tīng)"聽(tīng)<<聽(tīng)i聽(tīng)<<聽(tīng)endl;
19聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)}
20聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)};
21聽(tīng)
22聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)int聽(tīng)main(int聽(tīng)argc,聽(tīng)char**聽(tīng)argv)
23聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng){
24聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)base聽(tīng)*pb聽(tīng)=聽(tīng)new聽(tīng)derived;
25聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)pb->f(2.0);
26聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)delete聽(tīng)pb;
27聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)return聽(tīng)0;
28聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)}
29聽(tīng)
寮濮嬬殑鏃跺欐劅瑙夋湁鐐硅糠鎯戯紝琚皟鐢ㄧ殑鏄?base 鐨?f 鍛紵榪樻槸 derived 鐨?f錛堥渶瑕佽繘琛屽弬鏁扮被鍨嬭漿鎹級(jí)銆傚疄楠岃瘉鏄庯紝琚皟鐢ㄧ殑鏄?base 鐨?f銆?/p>
鍥犱負(fù)閲嶈澆鏄牴鎹潤(rùn)鎬佺被鍨嬫潵閫夋嫨鍑芥暟鐨勶紝浜﹀嵆鐢?pb 鏈韓鐨勭被鍨嬫潵鍐沖畾銆傝岃櫄鎷熷垯鏄牴鎹姩鎬佺被鍨嬫潵閫夋嫨鍑芥暟錛岀敱 pb 鎸囧悜鐨勫璞$被鍨嬪喅瀹氥傚洜姝ょ紪璇戝櫒棣栧厛鏍規(guī)嵁閲嶈澆鏉ラ夋嫨涓涓熀綾葷殑鍑芥暟錛屽鏋滆鍑芥暟涓鴻櫄鎷熷嚱鏁頒笖琚淳鐢熺被瀹炵幇錛屽垯鍐嶉氳繃澶氭佹満鍒惰皟鐢ㄦ淳鐢熺被鍑芥暟銆?/p>