{"id":22,"date":"2009-07-12T14:44:00","date_gmt":"2009-07-12T06:44:00","guid":{"rendered":"http:\/\/gsakd878.wordpress.com\/2009\/07\/12\/%e9%ab%98%e8%b4%a8%e9%87%8fc%e6%95%99%e7%a8%8b-%e7%ac%ac10%e7%ab%a0-%e7%b1%bb%e7%9a%84%e7%bb%a7%e6%89%bf%e4%b8%8e%e7%bb%84%e5%90%88"},"modified":"2009-07-12T14:44:00","modified_gmt":"2009-07-12T06:44:00","slug":"%e9%ab%98%e8%b4%a8%e9%87%8fc%e6%95%99%e7%a8%8b-%e7%ac%ac10%e7%ab%a0-%e7%b1%bb%e7%9a%84%e7%bb%a7%e6%89%bf%e4%b8%8e%e7%bb%84%e5%90%88","status":"publish","type":"post","link":"https:\/\/www.keyboardmeow.com\/?p=22","title":{"rendered":"\u9ad8\u8d28\u91cfC++\u6559\u7a0b — \u7b2c10\u7ae0 \u7c7b\u7684\u7ee7\u627f\u4e0e\u7ec4\u5408"},"content":{"rendered":"
\u9ad8\u8d28\u91cfC++\u6559\u7a0b -- \u7b2c10\u7ae0 \u7c7b\u7684\u7ee7\u627f\u4e0e\u7ec4\u5408<\/span><\/div>\n
\n\u6765\u6e90:www.vcworld.net<\/font><\/a>\u3000<\/div>\n
\n

\u5bf9\u8c61\uff08Object\uff09\u662f\u7c7b\uff08Class\uff09\u7684\u4e00\u4e2a\u5b9e\u4f8b\uff08Instance\uff09\u3002\u5982\u679c\u5c06\u5bf9\u8c61\u6bd4\u4f5c\u623f\u5b50\uff0c\u90a3\u4e48\u7c7b\u5c31\u662f\u623f\u5b50\u7684\u8bbe\u8ba1\u56fe\u7eb8\u3002\u6240\u4ee5\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u7684\u91cd\u70b9\u662f\u7c7b\u7684\u8bbe\u8ba1\uff0c\u800c\u4e0d\u662f\u5bf9\u8c61\u7684\u8bbe\u8ba1\u3002<\/span><\/p>\n

\n\u5bf9\u4e8eC++\u7a0b\u5e8f\u800c\u8a00\uff0c\u8bbe\u8ba1\u5b64\u7acb\u7684\u7c7b\u662f\u6bd4\u8f83\u5bb9\u6613\u7684\uff0c\u96be\u7684\u662f\u6b63\u786e\u8bbe\u8ba1\u57fa\u7c7b\u53ca\u5176\u6d3e\u751f\u7c7b\u3002\u672c\u7ae0\u4ec5\u4ec5\u8bba\u8ff0\u201c\u7ee7\u627f\u201d\uff08Inheritance\uff09\u548c\u201c\u7ec4\u5408\u201d\uff08Composition\uff09\u7684\u6982\u5ff5\u3002<\/p>\n

\u6ce8\u610f\uff0c\u5f53\u524d\u9762\u5411\u5bf9\u8c61\u6280\u672f\u7684\u5e94\u7528\u70ed\u70b9\u662fCOM\u548cCORBA\uff0c\u8fd9\u4e9b\u5185\u5bb9\u8d85\u51fa\u4e86C++\u6559\u6750\u7684\u8303\u7574\uff0c\u8bf7\u9605\u8bfbCOM\u548cCORBA\u76f8\u5173\u8bba\u8457\u3002<\/p>\n

10.1 \u7ee7\u627f<\/font><\/strong><\/p>\n

\u5982\u679cA\u662f\u57fa\u7c7b\uff0cB\u662fA\u7684\u6d3e\u751f\u7c7b\uff0c\u90a3\u4e48B\u5c06\u7ee7\u627fA\u7684\u6570\u636e\u548c\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n

class A<\/p>\n

{<\/p>\n

public:<\/p>\n

void Func1(void);<\/p>\n

void Func2(void);<\/p>\n

};<\/p>\n

\u00a0<\/p>\n

class B : public A<\/p>\n

{<\/p>\n

public:<\/p>\n

void Func3(void);<\/p>\n

void Func4(void);<\/p>\n

};<\/p>\n

\u00a0<\/p>\n

main()<\/p>\n

{<\/p>\n

B b;<\/p>\n

b.Func1(); \/\/ B\u4eceA\u7ee7\u627f\u4e86\u51fd\u6570Func1<\/p>\n

b.Func2(); \/\/ B\u4eceA\u7ee7\u627f\u4e86\u51fd\u6570Func2<\/p>\n

b.Func3();<\/p>\n

b.Func4();<\/p>\n

}<\/p>\n

\u00a0<\/p>\n

\n\u8fd9\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u7a0b\u5e8f\u8bf4\u660e\u4e86\u4e00\u4e2a\u4e8b\u5b9e\uff1aC++\u7684\u201c\u7ee7\u627f\u201d\u7279\u6027\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u53ef\u590d\u7528\u6027\u3002\u6b63\u56e0\u4e3a\u201c\u7ee7\u627f\u201d\u592a\u6709\u7528\u3001\u592a\u5bb9\u6613\u7528\uff0c\u624d\u8981\u9632\u6b62\u4e71\u7528\u201c\u7ee7\u627f\u201d\u3002\u6211\u4eec\u5e94\u5f53\u7ed9\u201c\u7ee7\u627f\u201d\u7acb\u4e00\u4e9b\u4f7f\u7528\u89c4\u5219\u3002<\/p>\n

\u00a0<\/p>\n

\n\u3010\u89c4\u521910-1-1\u3011<\/strong>\u5982\u679c\u7c7bA\u548c\u7c7bB\u6beb\u4e0d\u76f8\u5173\uff0c\u4e0d\u53ef\u4ee5\u4e3a\u4e86\u4f7fB\u7684\u529f\u80fd\u66f4\u591a\u4e9b\u800c\u8ba9B\u7ee7\u627fA\u7684\u529f\u80fd\u548c\u5c5e\u6027\u3002\u4e0d\u8981\u89c9\u5f97\u201c\u767d\u5403\u767d\u4e0d\u5403\u201d\uff0c\u8ba9\u4e00\u4e2a\u597d\u7aef\u7aef\u7684\u5065\u58ee\u9752\u5e74\u65e0\u7f18\u65e0\u6545\u5730\u5403\u4eba\u53c2\u8865\u8eab\u4f53\u3002<\/p>\n

\u3010\u89c4\u521910-1-2\u3011<\/strong>\u82e5\u5728\u903b\u8f91\u4e0aB\u662fA\u7684\u201c\u4e00\u79cd\u201d\uff08a kind of
\n\uff09\uff0c\u5219\u5141\u8bb8B\u7ee7\u627fA\u7684\u529f\u80fd\u548c\u5c5e\u6027\u3002\u4f8b\u5982\u7537\u4eba\uff08Man\uff09\u662f\u4eba\uff08Human\uff09\u7684\u4e00\u79cd\uff0c\u7537\u5b69\uff08Boy\uff09\u662f\u7537\u4eba\u7684\u4e00\u79cd\u3002\u90a3\u4e48\u7c7bMan\u53ef\u4ee5\u4ece\u7c7bHuman\u6d3e\u751f\uff0c\u7c7bBoy\u53ef\u4ee5\u4ece\u7c7bMan\u6d3e\u751f\u3002<\/p>\n

class Human<\/p>\n

{<\/p>\n

\u2026<\/p>\n

};<\/p>\n

class Man : public Human<\/p>\n

{<\/p>\n

\u2026<\/p>\n

};<\/p>\n

class Boy : public Man<\/p>\n

{<\/p>\n

\u2026<\/p>\n

};<\/p>\n

\u00a0<\/p>\n

\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n

\n\u3010\u89c4\u521910-1-2\u3011<\/strong>\u770b\u8d77\u6765\u5f88\u7b80\u5355\uff0c\u4f46\u662f\u5b9e\u9645\u5e94\u7528\u65f6\u53ef\u80fd\u4f1a\u6709\u610f\u5916\uff0c\u7ee7\u627f\u7684\u6982\u5ff5\u5728\u7a0b\u5e8f\u4e16\u754c\u4e0e\u73b0\u5b9e\u4e16\u754c\u5e76\u4e0d\u5b8c\u5168\u76f8\u540c\u3002<\/p>\n

\n\u4f8b\u5982\u4ece\u751f\u7269\u5b66\u89d2\u5ea6\u8bb2\uff0c\u9e35\u9e1f\uff08Ostrich\uff09\u662f\u9e1f\uff08Bird\uff09\u7684\u4e00\u79cd\uff0c\u6309\u7406\u8bf4\u7c7bOstrich\u5e94\u8be5\u53ef\u4ee5\u4ece\u7c7bBird\u6d3e\u751f\u3002\u4f46\u662f\u9e35\u9e1f\u4e0d\u80fd\u98de\uff0c\u90a3\u4e48Ostrich::Fly\u662f\u4ec0\u4e48\u4e1c\u897f\uff1f<\/p>\n

class Bird<\/p>\n

{<\/p>\n

public:<\/p>\n

virtual void Fly(void);<\/p>\n

\u2026<\/p>\n

};<\/p>\n

\u00a0<\/p>\n

class Ostrich : public Bird<\/p>\n

{<\/p>\n

\u2026<\/p>\n

};<\/p>\n

\u00a0<\/p>\n

\n\u4f8b\u5982\u4ece\u6570\u5b66\u89d2\u5ea6\u8bb2\uff0c\u5706\uff08Circle\uff09\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u692d\u5706\uff08Ellipse\uff09\uff0c\u6309\u7406\u8bf4\u7c7bCircle\u5e94\u8be5\u53ef\u4ee5\u4ece\u7c7bEllipse\u6d3e\u751f\u3002\u4f46\u662f\u692d\u5706\u6709\u957f\u8f74\u548c\u77ed\u8f74\uff0c\u5982\u679c\u5706\u7ee7\u627f\u4e86\u692d\u5706\u7684\u957f\u8f74\u548c\u77ed\u8f74\uff0c\u5c82\u975e\u753b\u86c7\u6dfb\u8db3\uff1f<\/p>\n

\n\u6240\u4ee5\u66f4\u52a0\u4e25\u683c\u7684\u7ee7\u627f\u89c4\u5219\u5e94\u5f53\u662f\uff1a\u82e5\u5728\u903b\u8f91\u4e0aB\u662fA\u7684\u201c\u4e00\u79cd\u201d\uff0c\u5e76\u4e14A\u7684\u6240\u6709\u529f\u80fd\u548c\u5c5e\u6027\u5bf9B\u800c\u8a00\u90fd\u6709\u610f\u4e49\uff0c\u5219\u5141\u8bb8B\u7ee7\u627fA\u7684\u529f\u80fd\u548c\u5c5e\u6027\u3002<\/strong><\/p>\n

\u00a0<\/p>\n

10.2 \u7ec4\u5408<\/font><\/strong><\/p>\n

\u3010\u89c4\u521910-2-1\u3011<\/strong>\u82e5\u5728\u903b\u8f91\u4e0aA\u662fB\u7684\u201c\u4e00\u90e8\u5206\u201d\uff08a part
\nof\uff09\uff0c\u5219\u4e0d\u5141\u8bb8B\u4eceA\u6d3e\u751f\uff0c\u800c\u662f\u8981\u7528A\u548c\u5176\u5b83\u4e1c\u897f\u7ec4\u5408\u51faB\u3002<\/p>\n

\n\u4f8b\u5982\u773c\uff08Eye\uff09\u3001\u9f3b\uff08Nose\uff09\u3001\u53e3\uff08Mouth\uff09\u3001\u8033\uff08Ear\uff09\u662f\u5934\uff08Head\uff09\u7684\u4e00\u90e8\u5206\uff0c\u6240\u4ee5\u7c7bHead\u5e94\u8be5\u7531\u7c7bEye\u3001Nose\u3001Mouth\u3001Ear\u7ec4\u5408\u800c\u6210\uff0c\u4e0d\u662f\u6d3e\u751f\u800c\u6210\u3002\u5982\u793a\u4f8b10-2-1\u6240\u793a\u3002<\/p>\n\n\n\n\n\n
\n

class Eye<\/p>\n

{
\npublic:<\/p>\n

void Look(void);<\/p>\n

};<\/p>\n<\/td>\n

\n

class Nose<\/p>\n

{
\npublic:<\/p>\n

void Smell(void);<\/p>\n

};<\/p>\n<\/td>\n<\/tr>\n

\n

class Mouth<\/p>\n

{
\npublic:<\/p>\n

void Eat(void);<\/p>\n

};<\/p>\n<\/td>\n

\n

class Ear<\/p>\n

{
\npublic:<\/p>\n

void Listen(void);<\/p>\n

};<\/p>\n<\/td>\n<\/tr>\n

\n

\/\/ \u6b63\u786e\u7684\u8bbe\u8ba1\uff0c\u867d\u7136\u4ee3\u7801\u5197\u957f\u3002<\/p>\n

class Head<\/p>\n

{<\/p>\n

public:<\/p>\n

void Look(void) { m_eye.Look(); }<\/p>\n

void Smell(void) { m_nose.Smell(); }<\/p>\n

void Eat(void) { m_mouth.Eat(); }<\/p>\n

void Listen(void) { m_ear.Listen(); }<\/p>\n

private:<\/p>\n

Eye m_eye;<\/p>\n

Nose m_nose;<\/p>\n

Mouth m_mouth;<\/p>\n

Ear m_ear;<\/p>\n

};<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u793a\u4f8b10-2-1 Head\u7531Eye\u3001Nose\u3001Mouth\u3001Ear\u7ec4\u5408\u800c\u6210<\/p>\n

\u00a0<\/p>\n

\u5982\u679c\u5141\u8bb8Head\u4eceEye\u3001Nose\u3001Mouth\u3001Ear\u6d3e\u751f\u800c\u6210\uff0c\u90a3\u4e48Head\u5c06\u81ea\u52a8\u5177\u6709Look\u3001
\nSmell\u3001Eat\u3001Listen\u8fd9\u4e9b\u529f\u80fd\u3002\u793a\u4f8b10-2-2\u5341\u5206\u7b80\u77ed\u5e76\u4e14\u8fd0\u884c\u6b63\u786e\uff0c\u4f46\u662f\u8fd9\u79cd\u8bbe\u8ba1\u65b9\u6cd5\u5374\u662f\u4e0d\u5bf9\u7684\u3002<\/p>\n\n\n\n
\n

\/\/ \u529f\u80fd\u6b63\u786e\u5e76\u4e14\u4ee3\u7801\u7b80\u6d01\uff0c\u4f46\u662f\u8bbe\u8ba1\u65b9\u6cd5\u4e0d\u5bf9\u3002<\/p>\n

class Head : public Eye, public Nose, public Mouth, public
\nEar<\/p>\n

{<\/p>\n

};<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u793a\u4f8b10-2-2 Head\u4eceEye\u3001Nose\u3001Mouth\u3001Ear\u6d3e\u751f\u800c\u6210<\/p>\n

\u00a0<\/p>\n

\u4e00\u53ea\u516c\u9e21\u4f7f\u52b2\u5730\u8ffd\u6253\u4e00\u53ea\u521a\u4e0b\u4e86\u86cb\u7684\u6bcd\u9e21\uff0c\u4f60\u77e5\u9053\u4e3a\u4ec0\u4e48\u5417\uff1f<\/p>\n

\u56e0\u4e3a\u6bcd\u9e21\u4e0b\u4e86\u9e2d\u86cb\u3002<\/p>\n

\u5f88\u591a\u7a0b\u5e8f\u5458\u7ecf\u4e0d\u8d77\u201c\u7ee7\u627f\u201d\u7684\u8bf1\u60d1\u800c\u72af\u4e0b\u8bbe\u8ba1\u9519\u8bef\u3002\u201c\u8fd0\u884c\u6b63\u786e\u201d\u7684\u7a0b\u5e8f\u4e0d\u89c1\u5f97\u662f\u9ad8\u8d28\u91cf\u7684\u7a0b\u5e8f\uff0c\u6b64\u5904\u5c31\u662f\u4e00\u4e2a\u4f8b\u8bc1\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u9ad8\u8d28\u91cfC++\u6559\u7a0b — \u7b2c10\u7ae0 \u7c7b\u7684\u7ee7\u627f\u4e0e\u7ec4\u5408 \u6765\u6e90:www.vcworld.net\u3000 \u5bf9\u8c61\uff08Object\uff09 … \u7ee7\u7eed\u9605\u8bfb\u201c\u9ad8\u8d28\u91cfC++\u6559\u7a0b — \u7b2c10\u7ae0 \u7c7b\u7684\u7ee7\u627f\u4e0e\u7ec4\u5408\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[23,24,50,83,34,36],"class_list":["post-22","post","type-post","status-publish","format-standard","hentry","category-c","tag-bird","tag-c","tag-eye","tag-it","tag-34","tag-36"],"_links":{"self":[{"href":"https:\/\/www.keyboardmeow.com\/index.php?rest_route=\/wp\/v2\/posts\/22","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.keyboardmeow.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.keyboardmeow.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.keyboardmeow.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.keyboardmeow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=22"}],"version-history":[{"count":0,"href":"https:\/\/www.keyboardmeow.com\/index.php?rest_route=\/wp\/v2\/posts\/22\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.keyboardmeow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=22"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.keyboardmeow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.keyboardmeow.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}