{"id":94,"date":"2026-03-22T17:18:57","date_gmt":"2026-03-22T09:18:57","guid":{"rendered":"https:\/\/codergodv.xyz\/?p=94"},"modified":"2026-03-22T17:18:58","modified_gmt":"2026-03-22T09:18:58","slug":"c11-%e7%b1%bb%e7%9a%84%e6%96%b0%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/codergodv.xyz\/index.php\/2026\/03\/22\/c11-%e7%b1%bb%e7%9a%84%e6%96%b0%e5%8a%9f%e8%83%bd\/","title":{"rendered":"C++11 \u2014\u2014\u2014 \u7c7b\u7684\u65b0\u529f\u80fd"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u7c7b\u7684\u65b0\u529f\u80fd<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u9ed8\u8ba4\u6210\u5458\u51fd\u6570<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u516b\u4e2a\u9ed8\u8ba4\u6210\u5458\u51fd\u6570<\/p>\n<\/blockquote>\n\n\n\n<p>\u5728C++11\u4e4b\u524d\uff0c\u4e00\u4e2a\u7c7b\u4e2d\u6709\u5982\u4e0b\u516d\u4e2a\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6784\u9020\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u6790\u6784\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u62f7\u8d1d\u8d4b\u503c\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u53d6\u5730\u5740\u91cd\u8f7d\u51fd\u6570\u3002<\/li>\n\n\n\n<li>const\u53d6\u5730\u5740\u91cd\u8f7d\u51fd\u6570\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5176\u4e2d\u524d\u56db\u4e2a\u6210\u5458\u51fd\u6570\u6700\u91cd\u8981\uff0c\u540e\u9762\u4e24\u4e2a\u6210\u5458\u51fd\u6570\u4e00\u822c\u4e0d\u4f1a\u7528\u5230\uff0c\u8fd9\u91cc\u201c\u9ed8\u8ba4\u201d\u7684\u610f\u601d\u5c31\u662f\u4f60\u4e0d\u5199\u7f16\u8bd1\u5668\u4f1a\u81ea\u52a8\u751f\u6210\u3002\u5728C++11\u6807\u51c6\u4e2d\u53c8\u589e\u52a0\u4e86\u4e24\u4e2a\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\uff0c\u5206\u522b\u662f<a href=\"https:\/\/so.csdn.net\/so\/search?q=\u79fb\u52a8\u6784\u9020\u51fd\u6570&amp;spm=1001.2101.3001.7020\">\u79fb\u52a8\u6784\u9020\u51fd\u6570<\/a>\u548c\u79fb\u52a8\u8d4b\u503c\u91cd\u8f7d\u51fd\u6570\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u9ed8\u8ba4\u79fb\u52a8\u6784\u9020\u548c\u79fb\u52a8\u8d4b\u503c\u7684\u751f\u6210\u6761\u4ef6<\/p>\n<\/blockquote>\n\n\n\n<p>C++11\u4e2d\u65b0\u589e\u7684\u79fb\u52a8\u6784\u9020\u51fd\u6570\u548c\u79fb\u52a8\u8d4b\u503c\u51fd\u6570\u7684\u751f\u6210\u6761\u4ef6\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u79fb\u52a8\u6784\u9020\u51fd\u6570\u7684\u751f\u6210\u6761\u4ef6\uff1a\u6ca1\u6709\u81ea\u5df1\u5b9e\u73b0\u79fb\u52a8\u6784\u9020\u51fd\u6570\uff0c\u5e76\u4e14\u6ca1\u6709\u81ea\u5df1\u5b9e\u73b0\u6790\u6784\u51fd\u6570\u3001\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u548c\u62f7\u8d1d\u8d4b\u503c\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u79fb\u52a8\u8d4b\u503c\u91cd\u8f7d\u51fd\u6570\u7684\u751f\u6210\u6761\u4ef6\uff1a\u6ca1\u6709\u81ea\u5df1\u5b9e\u73b0\u79fb\u52a8\u8d4b\u503c\u91cd\u8f7d\u51fd\u6570\uff0c\u5e76\u4e14\u6ca1\u6709\u81ea\u5df1\u5b9e\u73b0\u6790\u6784\u51fd\u6570\u3001\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u548c\u62f7\u8d1d\u8d4b\u503c\u51fd\u6570\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u79fb\u52a8\u6784\u9020\u548c\u79fb\u52a8\u8d4b\u503c\u7684\u751f\u6210\u6761\u4ef6\u4e0e\u4e4b\u524d\u516d\u4e2a\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\u4e0d\u540c\uff0c\u5e76\u4e0d\u662f\u5355\u7eaf\u7684\u6ca1\u6709\u5b9e\u73b0\u79fb\u52a8\u6784\u9020\u548c\u79fb\u52a8\u8d4b\u503c\u7f16\u8bd1\u5668\u5c31\u4f1a\u9ed8\u8ba4\u751f\u6210\u3002<\/p>\n\n\n\n<p><strong>\u7279\u522b\u6ce8\u610f\uff1a<\/strong> \u5982\u679c\u6211\u4eec\u81ea\u5df1\u5b9e\u73b0\u4e86\u79fb\u52a8\u6784\u9020\u6216\u8005\u79fb\u52a8\u8d4b\u503c\uff0c\u5c31\u7b97\u6ca1\u6709\u5b9e\u73b0\u62f7\u8d1d\u6784\u9020\u548c\u62f7\u8d1d\u8d4b\u503c\uff0c\u7f16\u8bd1\u5668\u4e5f\u4e0d\u4f1a\u751f\u6210\u9ed8\u8ba4\u7684\u62f7\u8d1d\u6784\u9020\u548c\u62f7\u8d1d\u8d4b\u503c\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u9ed8\u8ba4\u751f\u6210\u7684\u79fb\u52a8\u6784\u9020\u548c\u79fb\u52a8\u8d4b\u503c\u4f1a\u505a\u4ec0\u4e48\uff1f<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ed8\u8ba4\u751f\u6210\u7684\u79fb\u52a8\u6784\u9020\u51fd\u6570\uff1a\u5bf9\u4e8e\u5185\u7f6e\u7c7b\u578b\u7684\u6210\u5458\u4f1a\u5b8c\u6210\u503c\u62f7\u8d1d\uff08\u6d45\u62f7\u8d1d\uff09\uff0c\u5bf9\u4e8e\u81ea\u5b9a\u4e49\u7c7b\u578b\u7684\u6210\u5458\uff0c\u5982\u679c\u8be5\u6210\u5458\u5b9e\u73b0\u4e86\u79fb\u52a8\u6784\u9020\u5c31\u8c03\u7528\u5b83\u7684\u79fb\u52a8\u6784\u9020\uff0c\u5426\u5219\u5c31\u8c03\u7528\u5b83\u7684\u62f7\u8d1d\u6784\u9020\u3002<\/li>\n\n\n\n<li>\u9ed8\u8ba4\u751f\u6210\u7684\u79fb\u52a8\u8d4b\u503c\u91cd\u8f7d\u51fd\u6570\uff1a\u5bf9\u4e8e\u5185\u7f6e\u7c7b\u578b\u7684\u6210\u5458\u4f1a\u5b8c\u6210\u503c\u62f7\u8d1d\uff08\u6d45\u62f7\u8d1d\uff09\uff0c\u5bf9\u4e8e\u81ea\u5b9a\u4e49\u7c7b\u578b\u7684\u6210\u5458\uff0c\u5982\u679c\u8be5\u6210\u5458\u5b9e\u73b0\u4e86\u79fb\u52a8\u8d4b\u503c\u5c31\u8c03\u7528\u5b83\u7684\u79fb\u52a8\u8d4b\u503c\uff0c\u5426\u5219\u5c31\u8c03\u7528\u5b83\u7684\u62f7\u8d1d\u8d4b\u503c\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u9a8c\u8bc1\u9ed8\u8ba4\u751f\u6210\u7684\u79fb\u52a8\u6784\u9020\u548c\u79fb\u52a8\u8d4b\u503c\u6240\u505a\u7684\u5de5\u4f5c<\/p>\n<\/blockquote>\n\n\n\n<p>\u8981\u9a8c\u8bc1\u9ed8\u8ba4\u751f\u6210\u7684\u79fb\u52a8\u6784\u9020\u548c\u79fb\u52a8\u8d4b\u503c\u786e\u5b9e\u505a\u4e86\u4e0a\u8ff0\u5de5\u4f5c\uff0c\u8fd9\u91cc\u9700\u8981\u6a21\u62df\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5316\u7248\u7684string\u7c7b\uff0c\u7c7b\u5f53\u4e2d\u53ea\u7f16\u5199\u4e86\u51e0\u4e2a\u6211\u4eec\u9700\u8981\u7528\u5230\u7684\u6210\u5458\u51fd\u6570\u3002<\/p>\n\n\n\n<p>\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>namespace cl\n{\n    class string\n    {\n    public:\n        \/\/\u6784\u9020\u51fd\u6570\n        string(const char* str = \"\")\n        {\n            _size = strlen(str); \/\/\u521d\u59cb\u65f6\uff0c\u5b57\u7b26\u4e32\u5927\u5c0f\u8bbe\u7f6e\u4e3a\u5b57\u7b26\u4e32\u957f\u5ea6\n            _capacity = _size; \/\/\u521d\u59cb\u65f6\uff0c\u5b57\u7b26\u4e32\u5bb9\u91cf\u8bbe\u7f6e\u4e3a\u5b57\u7b26\u4e32\u957f\u5ea6\n            _str = new char&#91;_capacity + 1]; \/\/\u4e3a\u5b58\u50a8\u5b57\u7b26\u4e32\u5f00\u8f9f\u7a7a\u95f4\uff08\u591a\u5f00\u4e00\u4e2a\u7528\u4e8e\u5b58\u653e'\\0'\uff09\n            strcpy(_str, str); \/\/\u5c06C\u5b57\u7b26\u4e32\u62f7\u8d1d\u5230\u5df2\u5f00\u597d\u7684\u7a7a\u95f4\n        }\n        \/\/\u4ea4\u6362\u4e24\u4e2a\u5bf9\u8c61\u7684\u6570\u636e\n        void swap(string&amp; s)\n        {\n            \/\/\u8c03\u7528\u5e93\u91cc\u7684swap\n            ::swap(_str, s._str); \/\/\u4ea4\u6362\u4e24\u4e2a\u5bf9\u8c61\u7684C\u5b57\u7b26\u4e32\n            ::swap(_size, s._size); \/\/\u4ea4\u6362\u4e24\u4e2a\u5bf9\u8c61\u7684\u5927\u5c0f\n            ::swap(_capacity, s._capacity); \/\/\u4ea4\u6362\u4e24\u4e2a\u5bf9\u8c61\u7684\u5bb9\u91cf\n        }\n        \/\/\u62f7\u8d1d\u6784\u9020\u51fd\u6570\uff08\u73b0\u4ee3\u5199\u6cd5\uff09\n        string(const string&amp; s)\n            :_str(nullptr)\n            , _size(0)\n            , _capacity(0)\n        {\n            cout &lt;&lt; \"string(const string&amp; s) -- \u6df1\u62f7\u8d1d\" &lt;&lt; endl;\n\n            string tmp(s._str); \/\/\u8c03\u7528\u6784\u9020\u51fd\u6570\uff0c\u6784\u9020\u51fa\u4e00\u4e2aC\u5b57\u7b26\u4e32\u4e3as._str\u7684\u5bf9\u8c61\n            swap(tmp); \/\/\u4ea4\u6362\u8fd9\u4e24\u4e2a\u5bf9\u8c61\n        }\n        \/\/\u79fb\u52a8\u6784\u9020\n        string(string&amp;&amp; s)\n            :_str(nullptr)\n            , _size(0)\n            , _capacity(0)\n        {\n            cout &lt;&lt; \"string(string&amp;&amp; s) -- \u79fb\u52a8\u6784\u9020\" &lt;&lt; endl;\n            swap(s);\n        }\n        \/\/\u62f7\u8d1d\u8d4b\u503c\u51fd\u6570\uff08\u73b0\u4ee3\u5199\u6cd5\uff09\n        string&amp; operator=(const string&amp; s)\n        {\n            cout &lt;&lt; \"string&amp; operator=(const string&amp; s) -- \u6df1\u62f7\u8d1d\" &lt;&lt; endl;\n\n            string tmp(s); \/\/\u7528s\u62f7\u8d1d\u6784\u9020\u51fa\u5bf9\u8c61tmp\n            swap(tmp); \/\/\u4ea4\u6362\u8fd9\u4e24\u4e2a\u5bf9\u8c61\n            return *this; \/\/\u8fd4\u56de\u5de6\u503c\uff08\u652f\u6301\u8fde\u7eed\u8d4b\u503c\uff09\n        }\n        \/\/\u79fb\u52a8\u8d4b\u503c\n        string&amp; operator=(string&amp;&amp; s)\n        {\n            cout &lt;&lt; \"string&amp; operator=(string&amp;&amp; s) -- \u79fb\u52a8\u8d4b\u503c\" &lt;&lt; endl;\n            swap(s);\n            return *this;\n        }\n        \/\/\u6790\u6784\u51fd\u6570\n        ~string()\n        {\n            \/\/delete&#91;] _str;  \/\/\u91ca\u653e_str\u6307\u5411\u7684\u7a7a\u95f4\n            _str = nullptr; \/\/\u53ca\u65f6\u7f6e\u7a7a\uff0c\u9632\u6b62\u975e\u6cd5\u8bbf\u95ee\n            _size = 0;      \/\/\u5927\u5c0f\u7f6e0\n            _capacity = 0;  \/\/\u5bb9\u91cf\u7f6e0\n        }\n    private:\n        char* _str;\n        size_t _size;\n        size_t _capacity;\n    };\n}<\/code><\/pre>\n\n\n\n<p>\u7136\u540e\u518d\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684Person\u7c7b\uff0cPerson\u7c7b\u4e2d\u7684\u6210\u5458name\u7684\u7c7b\u578b\u5c31\u662f\u6211\u4eec\u6a21\u62df\u5b9e\u73b0\u7684string\u7c7b\u3002<\/p>\n\n\n\n<p>\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class Person\n{\npublic:\n    \/\/\u6784\u9020\u51fd\u6570\n    Person(const char* name = \"\", int age = 0)\n        :_name(name)\n        , _age(age)\n    {}\n    \/\/\u62f7\u8d1d\u6784\u9020\u51fd\u6570\n    Person(const Person&amp; p)\n        :_name(p._name)\n        , _age(p._age)\n    {}\n    \/\/\u62f7\u8d1d\u8d4b\u503c\u51fd\u6570\n    Person&amp; operator=(const Person&amp; p)\n    {\n        if (this != &amp;p)\n        {\n            _name = p._name;\n            _age = p._age;\n        }\n        return *this;\n    }\n    \/\/\u6790\u6784\u51fd\u6570\n    ~Person()\n    {}\nprivate:\n    cl::string _name; \/\/\u59d3\u540d\n    int _age;         \/\/\u5e74\u9f84\n};<\/code><\/pre>\n\n\n\n<p>\u867d\u7136Person\u7c7b\u5f53\u4e2d\u6ca1\u6709\u5b9e\u73b0\u79fb\u52a8\u6784\u9020\u548c\u79fb\u52a8\u8d4b\u503c\uff0c\u4f46\u62f7\u8d1d\u6784\u9020\u3001\u62f7\u8d1d\u8d4b\u503c\u548c\u6790\u6784\u51fd\u6570Person\u7c7b\u90fd\u5b9e\u73b0\u4e86\uff0c\u56e0\u6b64Person\u7c7b\u4e2d\u4e0d\u4f1a\u751f\u6210\u9ed8\u8ba4\u7684\u79fb\u52a8\u6784\u9020\u548c\u79fb\u52a8\u8d4b\u503c\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e0b\u9762\u7684\u4ee3\u7801\u6765\u9a8c\u8bc1\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int main()\n{\n    Person s1(\"\u5f20\u4e09\", 21);\n    Person s2 = std::move(s1); \/\/\u60f3\u8981\u8c03\u7528Person\u9ed8\u8ba4\u751f\u6210\u7684\u79fb\u52a8\u6784\u9020\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8ff0\u4ee3\u7801\u4e2d\u7528\u4e00\u4e2a\u53f3\u503c\u53bb\u6784\u9020s2\u5bf9\u8c61\uff0c\u4f46\u7531\u4e8ePerson\u7c7b\u6ca1\u6709\u751f\u6210\u9ed8\u8ba4\u7684\u79fb\u52a8\u6784\u9020\u51fd\u6570\uff0c\u56e0\u6b64\u8fd9\u91cc\u4f1a\u8c03\u7528Person\u7684\u62f7\u8d1d\u6784\u9020\u51fd\u6570\uff08\u62f7\u8d1d\u6784\u9020\u65e2\u80fd\u63a5\u6536\u5de6\u503c\u4e5f\u80fd\u63a5\u6536\u53f3\u503c\uff09\uff0c\u8fd9\u65f6\u5728Person\u7684\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u4e2d\u5c31\u4f1a\u8c03\u7528string\u7684\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u5bf9name\u6210\u5458\u8fdb\u884c\u6df1\u62f7\u8d1d\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u8981\u8ba9Person\u7c7b\u751f\u6210\u9ed8\u8ba4\u7684\u79fb\u52a8\u6784\u9020\u51fd\u6570\uff0c\u5c31\u5fc5\u987b\u5c06Person\u7c7b\u4e2d\u7684\u62f7\u8d1d\u6784\u9020\u3001\u62f7\u8d1d\u8d4b\u503c\u548c\u6790\u6784\u51fd\u6570\u5168\u90e8\u6ce8\u91ca\u6389\uff0c\u8fd9\u65f6\u7528\u53f3\u503c\u53bb\u6784\u9020s2\u5bf9\u8c61\u65f6\u5c31\u4f1a\u8c03\u7528Person\u9ed8\u8ba4\u751f\u6210\u7684\u79fb\u52a8\u6784\u9020\u51fd\u6570\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Person\u9ed8\u8ba4\u751f\u6210\u7684\u79fb\u52a8\u6784\u9020\uff0c\u5bf9\u4e8e\u5185\u7f6e\u7c7b\u578b\u6210\u5458age\u4f1a\u8fdb\u884c\u503c\u62f7\u8d1d\uff0c\u800c\u5bf9\u4e8e\u81ea\u5b9a\u4e49\u7c7b\u578b\u6210\u5458name\uff0c\u56e0\u4e3a\u6211\u4eec\u7684string\u7c7b\u5b9e\u73b0\u4e86\u79fb\u52a8\u6784\u9020\u51fd\u6570\uff0c\u56e0\u6b64\u5b83\u4f1a\u8c03\u7528string\u7684\u79fb\u52a8\u6784\u9020\u51fd\u6570\u8fdb\u884c\u8d44\u6e90\u7684\u8f6c\u79fb\u3002<\/li>\n\n\n\n<li>\u800c\u5982\u679c\u6211\u4eec\u5c06string\u7c7b\u5f53\u4e2d\u7684\u79fb\u52a8\u6784\u9020\u51fd\u6570\u6ce8\u91ca\u6389\uff0c\u90a3\u4e48Person\u9ed8\u8ba4\u751f\u6210\u7684\u79fb\u52a8\u6784\u9020\u51fd\u6570\uff0c\u5c31\u4f1a\u8c03\u7528string\u7c7b\u4e2d\u7684\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u5bf9name\u6210\u5458\u8fdb\u884c\u6df1\u62f7\u8d1d\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8981\u9a8c\u8bc1Person\u7c7b\u4e2d\u9ed8\u8ba4\u751f\u6210\u7684\u79fb\u52a8\u8d4b\u503c\u51fd\u6570\u53ef\u4ee5\u7528\u4e0b\u9762\u7684\u4ee3\u7801\uff0c\u9a8c\u8bc1\u65b9\u5f0f\u548c\u4e0a\u9762\u9a8c\u8bc1\u79fb\u52a8\u6784\u9020\u7684\u65b9\u5f0f\u662f\u4e00\u6837\u7684\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int main()\n{\n    Person s1(\"\u5f20\u4e09\", 21);\n    Person s2;\n    s2 = std::move(s1); \/\/\u60f3\u8981\u8c03\u7528Person\u9ed8\u8ba4\u751f\u6210\u7684\u79fb\u52a8\u8d4b\u503c\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p><strong>\u8bf4\u660e\u4e00\u4e0b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6211\u4eec\u5728\u6a21\u62df\u5b9e\u73b0\u7684string\u7c7b\u7684\u62f7\u8d1d\u6784\u9020\u3001\u62f7\u8d1d\u8d4b\u503c\u3001\u79fb\u52a8\u6784\u9020\u548c\u79fb\u52a8\u8d4b\u503c\u51fd\u6570\u4e2d\u90fd\u6253\u5370\u4e86\u4e00\u6761\u63d0\u793a\u8bed\u53e5\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u63a7\u5236\u53f0\u8f93\u51fa\u5224\u65ad\u662f\u5426\u8c03\u7528\u4e86\u5bf9\u5e94\u7684\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u7531\u4e8eVS2013\u6ca1\u6709\u5b8c\u5168\u652f\u6301C++11\uff0c\u56e0\u6b64\u4e0a\u8ff0\u4ee3\u7801\u65e0\u6cd5\u5728VS2013\u5f53\u4e2d\u9a8c\u8bc1\uff0c\u9700\u8981\u4f7f\u7528\u66f4\u65b0\u4e00\u70b9\u7684\u7f16\u8bd1\u5668\u8fdb\u884c\u9a8c\u8bc1\uff0c\u6bd4\u5982VS2019\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/so.csdn.net\/so\/search?q=\u7c7b\u6210\u5458&amp;spm=1001.2101.3001.7020\">\u7c7b\u6210\u5458<\/a>\u53d8\u91cf\u521d\u59cb\u5316<\/h3>\n\n\n\n<p>\u9ed8\u8ba4\u751f\u6210\u7684\u6784\u9020\u51fd\u6570\uff0c\u5bf9\u4e8e\u81ea\u5b9a\u4e49\u7c7b\u578b\u7684\u6210\u5458\u4f1a\u8c03\u7528\u5176\u6784\u9020\u51fd\u6570\u8fdb\u884c\u521d\u59cb\u5316\uff0c\u4f46\u5e76\u4e0d\u4f1a\u5bf9\u5185\u7f6e\u7c7b\u578b\u7684\u6210\u5458\u8fdb\u884c\u5904\u7406\u3002\u4e8e\u662fC++11\u652f\u6301\u975e\u9759\u6001\u6210\u5458\u53d8\u91cf\u5728\u58f0\u660e\u65f6\u8fdb\u884c\u521d\u59cb\u5316\u8d4b\u503c\uff0c\u9ed8\u8ba4\u751f\u6210\u7684\u6784\u9020\u51fd\u6570\u4f1a\u4f7f\u7528\u8fd9\u4e9b\u7f3a\u7701\u503c\u5bf9\u6210\u5458\u8fdb\u884c\u521d\u59cb\u5316\u3002\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class Person\n{\npublic:\n    \/\/...\nprivate:\n    \/\/\u975e\u9759\u6001\u6210\u5458\u53d8\u91cf\uff0c\u53ef\u4ee5\u5728\u6210\u5458\u58f0\u660e\u65f6\u7ed9\u7f3a\u7701\u503c\n    cl::string _name = \"\u5f20\u4e09\"; \/\/\u59d3\u540d\n    int _age = 20;             \/\/\u5e74\u9f84\n    static int _n; \/\/\u9759\u6001\u6210\u5458\u53d8\u91cf\u4e0d\u80fd\u7ed9\u7f3a\u7701\u503c\n};<\/code><\/pre>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u8fd9\u91cc\u4e0d\u662f\u521d\u59cb\u5316\uff0c\u800c\u662f\u7ed9\u58f0\u660e\u7684\u6210\u5458\u53d8\u91cf\u4e00\u4e2a\u7f3a\u7701\u503c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f3a\u5236\u751f\u6210\u9ed8\u8ba4\u51fd\u6570\u7684\u5173\u952e\u5b57default<\/h3>\n\n\n\n<p>C++11\u53ef\u4ee5\u8ba9\u6211\u4eec\u66f4\u597d\u7684\u63a7\u5236\u8981\u4f7f\u7528\u7684\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\uff0c\u5047\u8bbe\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u6211\u4eec\u9700\u8981\u4f7f\u7528\u67d0\u4e2a\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\uff0c\u4f46\u662f\u56e0\u4e3a\u67d0\u4e9b\u539f\u56e0\u5bfc\u81f4\u65e0\u6cd5\u751f\u6210\u8fd9\u4e2a\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\uff0c\u8fd9\u65f6\u53ef\u4ee5\u4f7f\u7528default\u5173\u952e\u5b57\u5f3a\u5236\u751f\u6210\u67d0\u4e2a\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u7684Person\u7c7b\u4e2d\u5b9e\u73b0\u4e86\u62f7\u8d1d\u6784\u9020\u51fd\u6570\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class Person\n{\npublic:\n    \/\/\u62f7\u8d1d\u6784\u9020\u51fd\u6570\n    Person(const Person&amp; p)\n        :_name(p._name)\n        , _age(p._age)\n    {}\nprivate:\n    cl::string _name; \/\/\u59d3\u540d\n    int _age;         \/\/\u5e74\u9f84\n};<\/code><\/pre>\n\n\n\n<p>\u8fd9\u65f6\u5982\u4e0b\u4ee3\u7801\u5c31\u65e0\u6cd5\u7f16\u8bd1\u6210\u529f\u4e86\uff0c\u56e0\u4e3aPerson\u7c7b\u4e2d\u7f16\u5199\u4e86\u62f7\u8d1d\u6784\u9020\u51fd\u6570\uff0c\u5bfc\u81f4\u65e0\u6cd5\u751f\u6210\u9ed8\u8ba4\u7684\u6784\u9020\u51fd\u6570\uff0c\u56e0\u4e3a\u9ed8\u8ba4\u6784\u9020\u51fd\u6570\u751f\u6210\u7684\u6761\u4ef6\u662f\u6ca1\u6709\u7f16\u5199\u4efb\u610f\u7c7b\u578b\u7684\u6784\u9020\u51fd\u6570\uff0c\u5305\u62ec\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int main()\n{\n    Person s; \/\/\u6ca1\u6709\u5408\u9002\u7684\u9ed8\u8ba4\u6784\u9020\u51fd\u6570\u53ef\u7528\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd9\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528default\u5173\u952e\u5b57\u5f3a\u5236\u751f\u6210\u9ed8\u8ba4\u7684\u6784\u9020\u51fd\u6570\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class Person\n{\npublic:\n    Person() = default; \/\/\u5f3a\u5236\u751f\u6210\u9ed8\u8ba4\u6784\u9020\u51fd\u6570\n\n    \/\/\u62f7\u8d1d\u6784\u9020\u51fd\u6570\n    Person(const Person&amp; p)\n        :_name(p._name)\n        , _age(p._age)\n    {}\nprivate:\n    cl::string _name; \/\/\u59d3\u540d\n    int _age;         \/\/\u5e74\u9f84\n};<\/code><\/pre>\n\n\n\n<p><strong>\u8bf4\u660e\u4e00\u4e0b\uff1a<\/strong> \u9ed8\u8ba4\u6210\u5458\u51fd\u6570\u90fd\u53ef\u4ee5\u7528default\u5173\u952e\u5b57\u5f3a\u5236\u751f\u6210\uff0c\u5305\u62ec\u79fb\u52a8\u6784\u9020\u548c\u79fb\u52a8\u8d4b\u503c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7981\u6b62\u751f\u6210\u9ed8\u8ba4\u51fd\u6570\u7684\u5173\u952e\u5b57delete<\/h3>\n\n\n\n<p>\u5f53\u6211\u4eec\u60f3\u8981\u9650\u5236\u67d0\u4e9b\u9ed8\u8ba4\u51fd\u6570\u751f\u6210\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u5982\u4e0b\u4e24\u79cd\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728C++98\u4e2d\uff0c\u53ef\u4ee5\u5c06\u8be5\u51fd\u6570\u8bbe\u7f6e\u6210\u79c1\u6709\uff0c\u5e76\u4e14\u53ea\u7528\u58f0\u660e\u4e0d\u7528\u5b9a\u4e49\uff0c\u8fd9\u6837\u5f53\u5916\u90e8\u8c03\u7528\u8be5\u51fd\u6570\u65f6\u5c31\u4f1a\u62a5\u9519\u3002<\/li>\n\n\n\n<li>\u5728C++11\u4e2d\uff0c\u53ef\u4ee5\u5728\u8be5\u51fd\u6570\u58f0\u660e\u540e\u9762\u52a0\u4e0a=delete\uff0c\u8868\u793a\u8ba9\u7f16\u8bd1\u5668\u4e0d\u751f\u6210\u8be5\u51fd\u6570\u7684\u9ed8\u8ba4\u7248\u672c\uff0c\u6211\u4eec\u5c06=delete\u4fee\u9970\u7684\u51fd\u6570\u79f0\u4e3a\u5220\u9664\u51fd\u6570\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\u5982\uff0c\u8981\u8ba9\u4e00\u4e2a\u7c7b\u4e0d\u80fd\u88ab\u62f7\u8d1d\uff0c\u53ef\u4ee5\u7528=delete\u4fee\u9970\u5c06\u8be5\u7c7b\u7684\u62f7\u8d1d\u6784\u9020\u548c\u62f7\u8d1d\u8d4b\u503c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class CopyBan\n{\npublic:\n    CopyBan()\n    {}\nprivate:\n    CopyBan(const CopyBan&amp;) = delete;\n    CopyBan&amp; operator=(const CopyBan&amp;) = delete;\n};<\/code><\/pre>\n\n\n\n<p><strong>\u8bf4\u660e\u4e00\u4e0b\uff1a<\/strong> \u88ab=delete\u4fee\u9970\u7684\u51fd\u6570\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u516c\u6709\uff0c\u4e5f\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u79c1\u6709\uff0c\u6548\u679c\u90fd\u4e00\u6837\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ee7\u627f\u548c\u591a\u6001\u4e2dfinal\u4e0eoverride\u5173\u952e\u5b57<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>final\u4fee\u9970\u7c7b<\/p>\n<\/blockquote>\n\n\n\n<p>\u88abfinal\u4fee\u9970\u7684\u7c7b\u53eb\u505a\u6700\u7ec8\u7c7b\uff0c\u6700\u7ec8\u7c7b\u65e0\u6cd5\u88ab\u7ee7\u627f\u3002\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class NonInherit final \/\/\u88abfinal\u4fee\u9970\uff0c\u8be5\u7c7b\u4e0d\u80fd\u518d\u88ab\u7ee7\u627f\n{\n    \/\/...\n};<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>final\u4fee\u9970\u865a\u51fd\u6570<\/p>\n<\/blockquote>\n\n\n\n<p>final\u4fee\u9970\u865a\u51fd\u6570\uff0c\u8868\u793a\u8be5\u865a\u51fd\u6570\u4e0d\u80fd\u518d\u88ab\u91cd\u5199\uff0c\u5982\u679c\u5b50\u7c7b\u7ee7\u627f\u540e\u91cd\u5199\u4e86\u8be5\u865a\u51fd\u6570\u5219\u7f16\u8bd1\u62a5\u9519\u3002\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u7236\u7c7b\nclass Person\n{\npublic:\n    virtual void Print() final \/\/\u88abfinal\u4fee\u9970\uff0c\u8be5\u865a\u51fd\u6570\u4e0d\u80fd\u518d\u88ab\u91cd\u5199\n    {\n        cout &lt;&lt; \"hello Person\" &lt;&lt; endl;\n    }\n};\n\/\/\u5b50\u7c7b\nclass Student : public Person\n{\npublic:\n    virtual void Print() \/\/\u91cd\u5199\uff0c\u7f16\u8bd1\u62a5\u9519\n    {\n        cout &lt;&lt; \"hello Student\" &lt;&lt; endl;\n    }\n};<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>override\u4fee\u9970\u865a\u51fd\u6570<\/p>\n<\/blockquote>\n\n\n\n<p>override\u4fee\u9970\u5b50\u7c7b\u7684\u865a\u51fd\u6570\uff0c\u68c0\u67e5\u5b50\u7c7b\u662f\u5426\u91cd\u5199\u4e86\u7236\u7c7b\u7684\u67d0\u4e2a\u865a\u51fd\u6570\uff0c\u5982\u679c\u6ca1\u6709\u6ca1\u6709\u91cd\u5199\u5219\u7f16\u8bd1\u62a5\u9519\u3002\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u7236\u7c7b\nclass Person\n{\npublic:\n    virtual void Print()\n    {\n        cout &lt;&lt; \"hello Person\" &lt;&lt; endl;\n    }\n};\n\/\/\u5b50\u7c7b\nclass Student : public Person\n{\npublic:\n    virtual void Print() override \/\/\u68c0\u67e5\u5b50\u7c7b\u662f\u5426\u91cd\u5199\u4e86\u7236\u7c7b\u7684\u67d0\u4e2a\u865a\u51fd\u6570\n    {\n        cout &lt;&lt; \"hello Student\" &lt;&lt; endl;\n    }\n};<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u7c7b\u7684\u65b0\u529f\u80fd \u9ed8\u8ba4\u6210\u5458\u51fd\u6570 \u516b\u4e2a\u9ed8\u8ba4\u6210\u5458\u51fd\u6570 \u5728C++11\u4e4b\u524d\uff0c\u4e00\u4e2a\u7c7b\u4e2d\u6709\u5982\u4e0b\u516d\u4e2a\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\uff1a \u5176\u4e2d\u524d\u56db\u4e2a\u6210\u5458 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,1],"tags":[22],"class_list":["post-94","post","type-post","status-publish","format-standard","hentry","category-cpp","category-learn","tag-c11"],"_links":{"self":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/94","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=94"}],"version-history":[{"count":1,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/94\/revisions"}],"predecessor-version":[{"id":95,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/94\/revisions\/95"}],"wp:attachment":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=94"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=94"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=94"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}