{"id":67241,"date":"2023-12-24T20:31:46","date_gmt":"2023-12-24T12:31:46","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=67241"},"modified":"2023-12-24T20:31:59","modified_gmt":"2023-12-24T12:31:59","slug":"c-%e8%99%9a%e5%87%bd%e6%95%b0%e7%9a%84%e4%bd%9c%e7%94%a8%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/67241.html","title":{"rendered":"c \u865a\u51fd\u6570\u7684\u4f5c\u7528\u662f\u4ec0\u4e48"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\">\n<p>C++\u865a\u51fd\u6570\u7684\u4e3b\u8981\u4f5c\u7528\u5305\u62ec\uff1a1. \u5b9e\u73b0\u63a5\u53e3\u7684\u4e00\u81f4\u6027\uff1b2. \u652f\u6301\u8fd0\u884c\u65f6\u591a\u6001\uff1b3. \u589e\u5f3a\u7a0b\u5e8f\u7684\u53ef\u6269\u5c55\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff1b4. \u652f\u6301\u62bd\u8c61\u7c7b\u548c\u7eaf\u865a\u51fd\u6570\u7684\u5b9a\u4e49\u3002\u901a\u8fc7\u865a\u51fd\u6570\uff0cC++ 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\/><\/p>\n\n\n\n<p><strong>\u5e38\u89c1\u95ee\u7b54\uff1a<\/strong><\/p>\n\n\n\n<ul>\n<li>\u95ee\uff1a\u4ec0\u4e48\u662fC++\u4e2d\u7684\u865a\u51fd\u6570\uff1f<\/li>\n\n\n\n<li>\u7b54\uff1aC++\u4e2d\u7684\u865a\u51fd\u6570\u662f\u4e00\u4e2a\u5728\u57fa\u7c7b\u4e2d\u58f0\u660e\u7684\u3001\u53ef\u4ee5\u5728\u6d3e\u751f\u7c7b\u4e2d\u91cd\u5199\u7684\u6210\u5458\u51fd\u6570\u3002\u5b83\u5141\u8bb8\u57fa\u4e8e\u5bf9\u8c61\u7684\u7c7b\u578b\u5728\u8fd0\u884c\u65f6\u51b3\u5b9a\u8c03\u7528\u54ea\u4e2a\u51fd\u6570\uff0c\u662f\u5b9e\u73b0\u8fd0\u884c\u65f6\u591a\u6001\u7684\u5173\u952e\u3002\u8fd9\u79cd\u673a\u5236\u4f7f\u5f97\u540c\u4e00\u4e2a\u51fd\u6570\u8c03\u7528\u53ef\u4ee5\u4ea7\u751f\u4e0d\u540c\u7684\u884c\u4e3a\uff0c\u53d6\u51b3\u4e8e\u8c03\u7528\u5b83\u7684\u5bf9\u8c61\u7684\u5b9e\u9645\u7c7b\u578b\u3002<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>\u95ee\uff1a\u865a\u51fd\u6570\u5728C++\u4e2d\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f<\/li>\n\n\n\n<li>\u7b54\uff1a\u5728C++\u4e2d\uff0c\u865a\u51fd\u6570\u662f\u901a\u8fc7\u865a\u51fd\u6570\u8868\uff08vtable\uff09\u6765\u5b9e\u73b0\u7684\u3002\u6bcf\u4e2a\u5305\u542b\u865a\u51fd\u6570\u7684\u7c7b\u90fd\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u865a\u51fd\u6570\u8868\uff0c\u8fd9\u662f\u4e00\u4e2a\u51fd\u6570\u6307\u9488\u6570\u7ec4\u3002\u7c7b\u7684\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u5305\u542b\u4e00\u4e2a\u6307\u5411\u8fd9\u4e2a\u8868\u7684\u6307\u9488\u3002\u5f53\u8c03\u7528\u4e00\u4e2a\u865a\u51fd\u6570\u65f6\uff0c\u7a0b\u5e8f\u4f1a\u901a\u8fc7\u8fd9\u4e2a\u6307\u9488\u67e5\u627e\u865a\u51fd\u6570\u8868\uff0c\u4ece\u800c\u627e\u5230\u6b63\u786e\u7684\u51fd\u6570\u5b9e\u73b0\u6765\u6267\u884c\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53d1\u751f\u5728\u8fd0\u884c\u65f6\uff0c\u5141\u8bb8\u52a8\u6001\u7ed1\u5b9a\u3002<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>\u95ee\uff1a\u7eaf\u865a\u51fd\u6570\u548c\u865a\u51fd\u6570\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/li>\n\n\n\n<li>\u7b54\uff1a\u7eaf\u865a\u51fd\u6570\u548c\u865a\u51fd\u6570\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u5b9a\u4e49\u3002\u7eaf\u865a\u51fd\u6570\u5728\u57fa\u7c7b\u4e2d\u6ca1\u6709\u5177\u4f53\u7684\u5b9e\u73b0\uff0c\u5b83\u53ea\u662f\u4e00\u4e2a\u63a5\u53e3\u58f0\u660e\uff0c\u5176\u5b9a\u4e49\u5f62\u5f0f\u901a\u5e38\u4e3a`virtual ReturnType FunctionName() = 0;`\u3002\u800c\u865a\u51fd\u6570\u5728\u57fa\u7c7b\u4e2d\u53ef\u4ee5\u6709\u81ea\u5df1\u7684\u5b9e\u73b0\u3002\u7eaf\u865a\u51fd\u6570\u7684\u5b58\u5728\u4f7f\u5f97\u57fa\u7c7b\u6210\u4e3a\u62bd\u8c61\u7c7b\uff0c\u65e0\u6cd5\u76f4\u63a5\u5b9e\u4f8b\u5316\uff0c\u800c\u53ea\u80fd\u901a\u8fc7\u6d3e\u751f\u7c7b\u6765\u5b9e\u73b0\u548c\u4f7f\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>\u95ee\uff1a\u5728\u4f55\u79cd\u60c5\u51b5\u4e0b\u5e94\u8be5\u4f7f\u7528\u865a\u51fd\u6570\uff1f<\/li>\n\n\n\n<li>\u7b54\uff1a\u865a\u51fd\u6570\u5e94\u8be5\u5728\u9700\u8981\u4f7f\u7528\u591a\u6001\u65f6\u4f7f\u7528\uff0c\u7279\u522b\u662f\u5f53\u4f60\u6709\u4e00\u4e2a\u57fa\u7c7b\uff0c\u5e0c\u671b\u5176\u6d3e\u751f\u7c7b\u80fd\u591f\u63d0\u4f9b\u4e0d\u540c\u5b9e\u73b0\u7684\u540c\u4e00\u65b9\u6cd5\u65f6\u3002\u4f8b\u5982\uff0c\u5f53\u8bbe\u8ba1\u4e00\u4e2a\u7cfb\u7edf\uff0c\u9700\u8981\u591a\u79cd\u7c7b\u578b\u7684\u5bf9\u8c61\u5171\u4eab\u4e00\u4e2a\u516c\u5171\u63a5\u53e3\uff0c\u4f46\u6bcf\u79cd\u7c7b\u578b\u53c8\u6709\u81ea\u5df1\u7279\u5b9a\u7684\u884c\u4e3a\u5b9e\u73b0\u65f6\uff0c\u5e94\u8be5\u4f7f\u7528\u865a\u51fd\u6570\u3002\u8fd9\u5141\u8bb8\u7a0b\u5e8f\u5728\u8fd0\u884c\u65f6\u6839\u636e\u5bf9\u8c61\u7684\u5b9e\u9645\u7c7b\u578b\u8c03\u7528\u9002\u5f53\u7684\u65b9\u6cd5\uff0c\u589e\u52a0\u4e86\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>\u95ee\uff1a\u4f7f\u7528\u865a\u51fd\u6570\u6709\u54ea\u4e9b\u6f5c\u5728\u7684\u7f3a\u70b9\uff1f<\/li>\n\n\n\n<li>\u7b54\uff1a\u865a\u51fd\u6570\u7684\u4e3b\u8981\u7f3a\u70b9\u662f\u5b83\u53ef\u80fd\u589e\u52a0\u4e00\u4e9b\u8fd0\u884c\u65f6\u5f00\u9500\uff0c\u56e0\u4e3a\u9700\u8981\u5728\u8fd0\u884c\u65f6\u89e3\u6790\u51fd\u6570\u7684\u5b9e\u9645\u8c03\u7528\u3002\u6b64\u5916\uff0c\u865a\u51fd\u6570\u7684\u4f7f\u7528\u4e5f\u53ef\u80fd\u5bfc\u81f4\u4ee3\u7801\u7684\u590d\u6742\u6027\u589e\u52a0\uff0c\u7279\u522b\u662f\u5728\u6709\u591a\u5c42\u7ee7\u627f\u5173\u7cfb\u7684\u5927\u578b\u9879\u76ee\u4e2d\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"C++\u865a\u51fd\u6570\u7684\u4e3b\u8981\u4f5c\u7528\u5305\u62ec\uff1a1. 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[&hellip;]","protected":false},"author":3,"featured_media":67244,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/67241"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=67241"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/67241\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/67244"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=67241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=67241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=67241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}