{"id":1,"date":"2026-03-18T17:16:49","date_gmt":"2026-03-18T09:16:49","guid":{"rendered":"http:\/\/codergodv.xyz\/?p=1"},"modified":"2026-03-21T23:55:05","modified_gmt":"2026-03-21T15:55:05","slug":"hello-world","status":"publish","type":"post","link":"https:\/\/codergodv.xyz\/index.php\/2026\/03\/18\/hello-world\/","title":{"rendered":"\u7b56\u7565\u6a21\u5f0f"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">UML\u7c7b\u56fe<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b56\u7565\u6a21\u5f0f\u9700\u8981\u6211\u4eec\u5b9a\u4e49\u4e00\u7cfb\u5217\u7684\u7b97\u6cd5\uff0c\u5e76\u4e14\u5c06\u6bcf\u79cd\u7b97\u6cd5\u90fd\u653e\u5165\u5230\u72ec\u7acb\u7684\u7c7b\u4e2d\uff0c\u5728\u5b9e\u9645\u64cd\u4f5c\u7684\u65f6\u5019\u4f7f\u8fd9\u4e9b\u7b97\u6cd5\u5bf9\u8c61\u53ef\u4ee5\u76f8\u4e92\u66ff\u6362\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u65e5\u5e38\u751f\u6d3b\u4e2d\u5f88\u591a\u65f6\u5019\u90fd\u9700\u8981\u5236\u5b9a\u7b56\u7565\uff0c\u5728\u7a0b\u5e8f\u4e2d\u5c31\u53ef\u7528\u4f7f\u7528\u7b56\u7565\u6a21\u5f0f\u6765\u5904\u7406\u8fd9\u4e9b\u573a\u666f\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51fa\u884c\u7b56\u7565\uff0c\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u7684\u4ea4\u901a\u5de5\u5177\uff1a\u81ea\u884c\u8f66\u3001\u516c\u4ea4\u3001\u5730\u94c1\u3001\u81ea\u9a7e\u7b49<\/li>\n\n\n\n<li>\u6218\u56fd\u65f6\u671f\u79e6\u56fd\u7684\u5916\u4ea4\u653f\u7b56\uff1a\u8fdc\u4ea4\u8fd1\u653b<\/li>\n\n\n\n<li>\u6536\u590d\u53f0\u6e7e\u7684\u7b56\u7565\uff1a\u6b66\u7edf\u3001\u6587\u7edf\u3001\u6069\u5a01\u5e76\u65bd \u3002\u3002\u3002<\/li>\n\n\n\n<li>\u7535\u5546\u5e73\u53f0\u7684\u6253\u6298\u7b56\u7565\uff1a\u4e70\u4e8c\u8d60\u4e00\u3001\u6ee1300\u51cf50\u3001\u8d2d\u4e70VIP\u4eab8\u6298\u4f18\u60e0\u3002\u3002\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/image-20260212154319559.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20260212154319559.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ee3\u7801\u5b9e\u73b0<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u62bd\u8c61\u7684\u7b56\u7565\u7c7b\nclass AbstractStrategy\n{\npublic:\n    virtual void fight(bool isfar = false) = 0;\n    virtual ~AbstractStrategy() {}\n};\n\n\/\/ \u4e00\u6863\nclass YiDang : public AbstractStrategy\n{\npublic:\n    void fight(bool isfar = false) override\n    {\n        cout &lt;&lt; \"*** \u73b0\u5728\u4f7f\u7528\u7684\u662f\u4e00\u6863: \";\n        if (isfar)\n        {\n            cout &lt;&lt; \"\u6a61\u80f6\u673a\u5173\u67aa\" &lt;&lt; endl;\n        }\n        else\n        {\n            cout &lt;&lt; \"\u6a61\u80f6\u00b7\u653b\u57ce\u70ae\" &lt;&lt;endl;\n        }\n    }\n};\n\n\/\/ \u4e8c\u6321\nclass ErDang : public AbstractStrategy\n{\npublic:\n    void fight(bool isfar = false) override\n    {\n        cout &lt;&lt; \"*** \u5207\u6362\u6210\u4e8c\u6321: \";\n        if (isfar)\n        {\n            cout &lt;&lt; \"\u6a61\u80f6Jet\u706b\u7bad\" &lt;&lt; endl;\n        }\n        else\n        {\n            cout &lt;&lt; \"\u6a61\u80f6Jet\u00b7\u94f3\u4e71\u6253\" &lt;&lt; endl;\n        }\n    }\n};\n\n\/\/ \u4e09\u6321\nclass SanDang : public AbstractStrategy\n{\npublic:\n    void fight(bool isfar = false) override\n    {\n        cout &lt;&lt; \"*** \u5207\u6362\u6210\u4e09\u6321: \";\n        if (isfar)\n        {\n            cout &lt;&lt; \"\u6a61\u80f6\u5de8\u4eba\u56de\u65cb\u5f39\" &lt;&lt; endl;\n        }\n        else\n        {\n            cout &lt;&lt; \"\u6a61\u80f6\u5de8\u4eba\u6218\u65a7\" &lt;&lt; endl;\n        }\n    }\n};\n\n\/\/ \u56db\u6321\nclass SiDang : public AbstractStrategy\n{\npublic:\n    void fight(bool isfar = false) override\n    {\n        cout &lt;&lt; \"*** \u5207\u6362\u6210\u56db\u6321: \";\n        if (isfar)\n        {\n            cout &lt;&lt; \"\u6a61\u80f6\u72ee\u5b50\u706b\u7bad\u70ae\" &lt;&lt; endl;\n        }\n        else\n        {\n            cout &lt;&lt; \"\u6a61\u80f6\u7280\u725b\u69b4\u5f39\u70ae\" &lt;&lt; endl;\n        }\n    }\n};\n\n\/\/ \u4e94\u6863\nclass WuDang : public AbstractStrategy\n{\npublic:\n    void fight(bool isfar = false) override\n    {\n        cout &lt;&lt; \"*** \u5207\u6362\u6210\u4e94\u6321: \u53d8\u6210\u5c3c\u5361\u5f62\u6001\u53ef\u4ee5\u628a\u7269\u4f53\u53d8\u6210\u6a61\u80f6, \u5e76\u4efb\u610f\u6539\u53d8\u7269\u4f53\u7684\u5f62\u6001\u5bf9\u5176\u8fdb\u884c\u653b\u51fb!!!\" &lt;&lt; endl;\n    }\n};\n\n\/\/ \u96be\u5ea6\u7ea7\u522b\nenum class Level:char {Easy, Normal, Hard, Experts, Professional};\n\n\/\/ \u8def\u98de\nclass Luffy\n{\npublic:\n    void fight(Level level, bool isfar = false)\n    {\n        if (m_strategy)\n        {\n            delete m_strategy;\n            m_strategy = nullptr;\n        }\n        switch (level)\n        {\n        case Level::Easy:\n            m_strategy = new YiDang;\n            break;\n        case Level::Normal:\n            m_strategy = new ErDang;\n            break;\n        case Level::Hard:\n            m_strategy = new SanDang;\n            break;\n        case Level::Experts:\n            m_strategy = new SiDang;\n            break;\n        case Level::Professional:\n            m_strategy = new WuDang;\n            break;\n        default:\n            break;\n        }\n        m_strategy-&gt;fight(isfar);\n    }\n    ~Luffy()\n    {\n        delete m_strategy;\n    }\nprivate:\n    AbstractStrategy* m_strategy = nullptr;\n};\n\nint main()\n{\n    Luffy* luffy = new Luffy;\n    cout &lt;&lt; \"--- \u5728\u9999\u6ce2\u5730\u7fa4\u5c9b\u9047\u5230\u4e86\u6d77\u519b\u58eb\u5175: \" &lt;&lt; endl;\n    luffy-&gt;fight(Level::Easy);\n    cout &lt;&lt; \"--- \u5728\u9b54\u8c37\u9547\u9047\u5230\u4e86\u8d1d\u62c9\u7c73: \" &lt;&lt; endl;\n    luffy-&gt;fight(Level::Normal);\n    cout &lt;&lt; \"--- \u5728\u53f8\u6cd5\u5c9b\u9047\u5230\u4e86\u7f57\u5e03\u00b7\u8def\u5947: \" &lt;&lt; endl;\n    luffy-&gt;fight(Level::Hard);\n    cout &lt;&lt; \"--- \u5728\u5fb7\u96f7\u65af\u7f57\u8428\u9047\u5230\u4e86\u591a\u5f17\u6717\u660e\u54e5: \" &lt;&lt; endl;\n    luffy-&gt;fight(Level::Experts);\n    cout &lt;&lt; \"--- \u5728\u9b3c\u5c9b\u9047\u5230\u4e86\u51ef\u591a: \" &lt;&lt; endl;\n    luffy-&gt;fight(Level::Professional);\n\n    delete luffy;\n    return 0;\n}<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u7ed3\u679c<\/p>\n<\/blockquote>\n\n\n\n<pre class=\"wp-block-code\"><code>--- \u5728\u9999\u6ce2\u5730\u7fa4\u5c9b\u9047\u5230\u4e86\u6d77\u519b\u58eb\u5175:\n*** \u73b0\u5728\u4f7f\u7528\u7684\u662f\u4e00\u6863: \u6a61\u80f6\u00b7\u653b\u57ce\u70ae\n--- \u5728\u9b54\u8c37\u9547\u9047\u5230\u4e86\u8d1d\u62c9\u7c73:\n*** \u5207\u6362\u6210\u4e8c\u6321: \u6a61\u80f6Jet\u00b7\u94f3\u4e71\u6253\n--- \u5728\u53f8\u6cd5\u5c9b\u9047\u5230\u4e86\u7f57\u5e03\u00b7\u8def\u5947:\n*** \u5207\u6362\u6210\u4e09\u6321: \u6a61\u80f6\u5de8\u4eba\u6218\u65a7\n--- \u5728\u5fb7\u96f7\u65af\u7f57\u8428\u9047\u5230\u4e86\u591a\u5f17\u6717\u660e\u54e5:\n*** \u5207\u6362\u6210\u56db\u6321: \u6a61\u80f6\u7280\u725b\u69b4\u5f39\u70ae\n--- \u5728\u9b3c\u5c9b\u9047\u5230\u4e86\u51ef\u591a:\n*** \u5207\u6362\u6210\u4e94\u6321: \u53d8\u6210\u5c3c\u5361\u5f62\u6001\u53ef\u4ee5\u628a\u7269\u4f53\u53d8\u6210\u6a61\u80f6, \u5e76\u4efb\u610f\u6539\u53d8\u7269\u4f53\u7684\u5f62\u6001\u5bf9\u5176\u8fdb\u884c\u653b\u51fb!!!<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b56\u7565\u6a21\u5f0f\u4e2d\u7684\u82e5\u5e72\u4e2a\u7b56\u7565\u5bf9\u8c61\u76f8\u4e92\u4e4b\u95f4\u662f\u5b8c\u5168\u72ec\u7acb\u7684\uff0c \u5b83\u4eec\u4e0d\u77e5\u9053\u5176\u4ed6\u5bf9\u8c61\u7684\u5b58\u5728\u3002\u5f53\u6211\u4eec\u60f3\u4f7f\u7528\u5bf9\u8c61\u4e2d\u5404\u79cd\u4e0d\u540c\u7684\u7b97\u6cd5\u53d8\u4f53\uff0c\u5e76\u5e0c\u671b\u80fd\u591f\u5728\u8fd0\u884c\u7684\u65f6\u5019\u5207\u6362\u8fd9\u4e9b\u7b97\u6cd5\u65f6\uff0c\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u7b56\u7565\u6a21\u5f0f\u6765\u5904\u7406\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>UML\u7c7b\u56fe \u7b56\u7565\u6a21\u5f0f\u9700\u8981\u6211\u4eec\u5b9a\u4e49\u4e00\u7cfb\u5217\u7684\u7b97\u6cd5\uff0c\u5e76\u4e14\u5c06\u6bcf\u79cd\u7b97\u6cd5\u90fd\u653e\u5165\u5230\u72ec\u7acb\u7684\u7c7b\u4e2d\uff0c\u5728\u5b9e\u9645\u64cd\u4f5c\u7684\u65f6\u5019\u4f7f\u8fd9\u4e9b\u7b97\u6cd5\u5bf9\u8c61 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,16],"tags":[],"class_list":["post-1","post","type-post","status-publish","format-standard","hentry","category-learn","category-16"],"_links":{"self":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/1","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=1"}],"version-history":[{"count":9,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/1\/revisions"}],"predecessor-version":[{"id":73,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/1\/revisions\/73"}],"wp:attachment":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=1"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=1"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=1"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}