{"id":199,"date":"2020-08-22T22:01:20","date_gmt":"2020-08-22T14:01:20","guid":{"rendered":"https:\/\/kishere.gq\/?p=199"},"modified":"2021-01-14T10:54:10","modified_gmt":"2021-01-14T02:54:10","slug":"c-%e7%b1%bb%e5%92%8c%e5%af%b9%e8%b1%a1","status":"publish","type":"post","link":"https:\/\/blog.kishere.cn\/?p=199","title":{"rendered":"C++\u2014\u2014\u7c7b\u548c\u5bf9\u8c61"},"content":{"rendered":"<h1>\u6982\u5ff5<\/h1>\n<p>\u7c7b\u4f3c\u4e8e\u73b0\u5b9e\u4e2d\u5177\u4f53\u67d0\u4e2a\u4e8b\u7269\uff0c\u548c\u4e8b\u7269\u62bd\u8c61\u7684\u7c7b\u522b\uff08\u6bd4\u5982\u6211\u7684ipad\u548c\u5e73\u677f\u7535\u8111\uff0c\u897f\u5b89\u548c\u57ce\u5e02\uff09\uff0c\u76f8\u5e94\u7684\uff0c\u5728\u8ba1\u7b97\u673a\u7684\u4e16\u754c\u4e2d\u4e5f\u6709<strong>\u5bf9\u8c61<\/strong>\u548c<strong>\u7c7b<\/strong>\u7684\u6982\u5ff5\u3002\u7528<strong>\u7c7b<\/strong>\u63cf\u8ff0\u4e00\u4e2a\u529f\u80fd\u548c\u6a21\u5757\uff0c\u5e76\u7528<strong>\u5b9e\u4f8b\u5316<\/strong>\u7684\u65b9\u5f0f\u521b\u9020\u4e00\u4e2a<strong>\u5bf9\u8c61<\/strong>\uff0c\u8ba9\u4ed6\u5728\u7a0b\u5e8f\u4e2d\u53d1\u6325\u4f5c\u7528\u3002<\/p>\n<p>\u7c7b\u7684\u6982\u5ff5\u6709\u70b9\u50cfC\u8bed\u8a00\u4e2d\u7684\u7ed3\u6784\u4f53\uff0c\u4f46\u662f\u6bd4\u8d77\u7ed3\u6784\u4f53\uff0c\u7c7b\u6709\u66f4\u591a\u4e30\u5bcc\u7684\u5c5e\u6027\u548c\u529f\u80fd\u3002\u6bd4\u5982\u5728\u7c7b\u4e2d\u9664\u4e86\u53ef\u4ee5\u5b9a\u4e49\u6210\u5458\u53d8\u91cf\uff0c\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u6210\u5458\u51fd\u6570\uff0c\u4ee5\u53ca\u8bbf\u95ee\u9650\u5b9a\u7b26\u7b49\u7b49\u3002<\/p>\n<h1>\u7c7b\u7684\u5b9a\u4e49<\/h1>\n<p>\u5b9a\u4e49\u4e00\u4e2a\u7c7b\uff1a<\/p>\n<pre><code class=\"language-cpp line-numbers\">class classname{\n    void func(){\n        cout&lt;&lt;\"func\"&lt;&lt;endl;\n    }\/\/\u6210\u5458\u51fd\u6570\n    int stu;\n    char name[1024];\/\/\u6210\u5458\u53d8\u91cf\n}; \/\/\u4e0d\u8981\u5fd8\u8bb0\u5206\u53f7\n<\/code><\/pre>\n<h2>\u8bbf\u95ee\u9650\u5b9a\u7b26<\/h2>\n<p>\u7c7b\u7684\u8bbf\u95ee\u9650\u5b9a\u7b26\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u8bbf\u95ee\u6743\u9650\u7684\u65b9\u5f0f\u8ba9\u4e00\u4e9b\u53d8\u91cf\u9690\u85cf\u8d77\u6765\uff0c\u53ea\u5411\u5916\u63d0\u4f9b\u4e00\u4e9b\u63a5\u53e3\u7ed9\u7528\u6237\u4f7f\u7528\u3002<\/p>\n<pre><code class=\"language-cpp line-numbers\">class student{\npublic: \/\/\u88abpublic\u4fee\u9970\u7684\u6210\u5458\u53ef\u4ee5\u5728\u7c7b\u7684\u5916\u90e8\u8bbf\u95ee\n    void(int num){\n        stu = num;\n    }   \nprotected:\n    char sex[1024];\/\/\u88abprotected\u4fee\u9970\u7684\u6210\u5458\u53ea\u80fd\u5728\u7c7b\u7684\u5185\u90e8\u8bbf\u95ee\nprivate:\n    int stu;\/\/\u88abprivate\u4fee\u9970\u7684\u6210\u5458\u53ea\u80fd\u5728\u7c7b\u7684\u5185\u90e8\u8bbf\u95ee\n};\n<\/code><\/pre>\n<p>class\u7684\u9ed8\u8ba4\u8bbf\u95ee\u6743\u9650\u4e3a<strong>private<\/strong>\uff0c\u800cstruct\u7684\u9ed8\u8ba4\u8bbf\u95ee\u6743\u9650\u662f<strong>public<\/strong>\uff08\u56e0\u4e3astruct\u8981\u517c\u5bb9C\u8bed\u8a00\uff09\u3002<br \/>\n\u7c7b\u7684\u4f5c\u7528\u57df\uff1a\u7c7b\u5b9a\u4e49\u4e86\u4e00\u4e2a\u65b0\u7684\u4f5c\u7528\u57df\uff0c\u7c7b\u7684\u6240\u6709\u6210\u5458\u90fd\u5728\u7c7b\u7684\u4f5c\u7528\u57df\u4e2d\u3002\u5728\u7c7b\u5916\u5b9a\u4e49\u6210\u5458\u65f6\u9700\u8981\u4f7f\u7528::\u4f5c\u7528\u9650\u5b9a\u7b26\u3002\u518d\u7c7b\u5185\u7684\u6210\u5458\u53d8\u91cf\u76f8\u5f53\u4e8e\u5bf9\u4e8e\u6210\u5458\u51fd\u6570\u6765\u8bf4\u76f8\u5f53\u4e8e\u662f\u4e00\u4e2a\u201c\u5168\u5c40\u53d8\u91cf\u201d\u3002<\/p>\n<h2>\u7c7b\u7684\u5b9e\u4f8b\u5316<\/h2>\n<p>\u7c7b\u662f\u4e00\u4e9b\u5bf9\u8c61\u7684\u62bd\u8c61\u63cf\u8ff0\uff0c\u5c31\u7c7b\u4f3c\u4e8e\u6570\u5b66\u6a21\u578b\u548c\u771f\u5b9e\u7684\u7269\u4f53\u3002\u5b9e\u4f8b\u5316\u5bf9\u8c61\u5c31\u662f\u6309\u7167\u6570\u5b66\u6a21\u578b\u201c\u9020\u51fa\u201d\u771f\u5b9e\u7269\u4f53\u7684\u8fc7\u7a0b\u3002\u548c\u73b0\u5b9e\u6309\u7167\u6570\u5b66\u6a21\u578b\u53ef\u4ee5\u5efa\u9020\u591a\u4e2a\u5b9e\u4f53\u4e00\u6837\uff0c\u4e00\u4e2a\u7c7b\u53ef\u4ee5\u5b9e\u4f8b\u5316\u591a\u4e2a\u5bf9\u8c61<br \/>\n\u5b9e\u4f8b\u5316\u5bf9\u8c61\u7684\u8fc7\u7a0b\u548c\u5b9a\u4e49\u53d8\u91cf\u7c7b\u4f3c\uff1a<\/p>\n<pre><code class=\"language-cpp line-numbers\">student a;\/\/\u8fd9\u6837\u5c31\u662f\u4f7f\u7528\u4e86\u4e0a\u9762\u5b9a\u4e49\u7684student\u5b9e\u4f8b\u5316\u4e86\u4e00\u4e2a\u5bf9\u8c61a\n<\/code><\/pre>\n<h2>\u7c7b\u7684\u5927\u5c0f<\/h2>\n<p>\u7c7b\u4e2d\u65e2\u6709\u6210\u5458\u51fd\u6570\u53c8\u6709\u6210\u5458\u53d8\u91cf\u65f6\uff0c\u5982\u4f55\u8ba1\u7b97\u7c7b\u7684\u5927\u5c0f\u5462\uff1f<br \/>\n\u7b54\u6848\u662f\uff1a\u7c7b\u7684\u5927\u5c0f\u65f6\u5c31<strong>\u6210\u5458\u53d8\u91cf\u4e4b\u548c<\/strong>\uff0c\u540c\u65f6\u548c\u7ed3\u6784\u4f53\u4e00\u6837\uff0c\u7c7b\u5728\u8ba1\u7b97\u5927\u5c0f\u65f6\u4e5f\u8981\u8003\u8651<strong>\u5185\u5b58\u5bf9\u9f50<\/strong>\u7684\u95ee\u9898\u3002<br \/>\n\u5bf9\u8c61\u7684\u50a8\u5b58\u65b9\u5f0f\u4e3a\uff1a\u4e0d\u540c\u5bf9\u8c61\u7684<strong>\u6210\u5458\u53d8\u91cf\u5355\u72ec\u50a8\u5b58<\/strong>\uff0c\u800c<strong>\u6210\u5458\u51fd\u6570\u5219\u540c\u7528\u4e00\u5757\u4ee3\u7801\u6bb5\u7a7a\u95f4<\/strong>\u3002\u8fd9\u6837\u8282\u7701\u4e86\u51fd\u6570\u91cd\u590d\u50a8\u5b58\u6d6a\u8d39\u7684\u7a7a\u95f4\uff0c\u800c\u6bcf\u4e2a\u5bf9\u8c61\u7684\u6570\u636e\u53c8\u4e0d\u4f1a\u4e92\u76f8\u5f71\u54cd\u3002<br \/>\n\u7279\u6b8a\u7684\u60c5\u51b5\uff1a\u7a7a\u7c7b\u7684\u5927\u5c0f\u4e3a1\u5b57\u8282\uff08VS\u4e2d\uff09\u3002<\/p>\n<h1>this\u6307\u9488<\/h1>\n<p>\u4e0a\u9762\u6211\u4eec\u8bb2\u5230\u4e86\u5bf9\u8c61\u7684\u50a8\u5b58\u65b9\u5f0f\u662f\u6210\u5458\u53d8\u91cf\u5355\u72ec\u50a8\u5b58\u800c\u6210\u5458\u51fd\u6570\u516c\u7528\u4ee3\u7801\u6bb5\u3002<\/p>\n<pre><code class=\"language-cpp line-numbers\">class number{\npublic:\n    set(int num){\n        ret = num;\n    }\n    show(){\n        cout&lt;&lt;ret&lt;&lt;endl;\n    }\nprivate:\n    int ret;\n};\n\nint main(){\n    number N1,N2;\n    N1.set(10);\n    N2.set(29);\n    N1.show();\n    N2.show();\n    return 0;\n}\n<\/code><\/pre>\n<p>\u4f46\u662f\u95ee\u9898\u6765\u4e86\uff0c\u4e0a\u9762\u8fd9\u4e32\u4ee3\u7801\uff0cset\u51fd\u6570\u548cshow\u51fd\u6570\u7684\u4ee3\u7801\u662f\u5bf9\u8c61N1\u548cN2\u516c\u7528\u7684\uff0c\u90a3\u4e48\u5b83\u4eec\u662f\u600e\u4e48\u77e5\u9053\u5b83\u4eec\u9700\u8981\u64cd\u4f5c\u7684\u662f\u54ea\u4e2a\u5bf9\u8c61\u91cc\u7684ret\u53d8\u91cf\u5462\uff1f<\/p>\n<p>C++\u4e2d\u4f7f\u7528\u4e86<strong>this\u6307\u9488<\/strong>\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002C++\u7f16\u8bd1\u5668\u7ed9\u6bcf\u4e2a\u51fd\u6570\u589e\u52a0\u4e86\u4e00\u4e2a\u9690\u85cf\u7684\u6307\u9488\uff0c\u8ba9\u4ed6\u4eec\u6307\u5411\u5f53\u524d\u8fd0\u884c\u65f6\u8c03\u7528\u5b83\u4eec\u7684\u5bf9\u8c61\uff0c\u518d\u51fd\u6570\u4f53\u4e2d\u6240\u6709\u6210\u5458\u51fd\u6570\u7684\u64cd\u4f5c\u90fd\u662f\u901a\u8fc7\u8be5\u6307\u9488\u53bb\u8bbf\u95ee\u7684\uff0c\u8fd9\u4e2a\u64cd\u4f5c\u7531\u7f16\u8bd1\u5668\u81ea\u52a8\u5b8c\u6210\u3002\u4e0d\u9700\u8981\u7528\u6237\u64cd\u4f5c\u3002\uff08\u4f46\u7528\u6237\u53ef\u4ee5\u64cd\u4f5cthis\u6307\u9488\uff09<\/p>\n<ul>\n<li>this\u6307\u9488\u7684\u7c7b\u578b\u662f\u7c7b\u7c7b\u578b\u6307\u9488\u5e38\u91cf\u3002\u6bd4\u5982\u4e0a\u4f8b\u4e2d\u7684this\u6307\u9488\u7684\u7c7b\u578b\u4e3anumber* const \u3002<\/li>\n<li>this\u6307\u9488\u53ef\u4ee5\u770b\u505a\u662f\u6210\u5458\u51fd\u6570\u7684\u4e00\u4e2a\u5f62\u53c2\u3002<strong>\u5bf9\u8c61\u8c03\u7528\u6210\u5458\u51fd\u6570\u65f6\uff0c\u4f1a\u5c06\u5bf9\u8c61\u7684\u5730\u5740\u4f20\u7ed9this\u5f62\u53c2<\/strong>\u3002\u5bf9\u8c61\u4e2d\u5e76\u4e0d\u50a8\u5b58this\u6307\u9488\uff0cthis\u6307\u9488\u50a8\u5b58\u5728\u6808\u4e0a\u3002<\/li>\n<li>this\u6307\u9488\u662f\u6210\u5458\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u5f62\u53c2\uff0c\u53ea\u80fd\u5728\u6210\u5458\u51fd\u6570\u4e2d\u4f7f\u7528\u3002<\/li>\n<li>this\u6307\u9488\u53ef\u4ee5\u4e3a\u7a7a\uff0c\u4f46\u8fd9\u6837\u5c31\u65e0\u6cd5\u8bbf\u95ee\u5bf9\u8c61\u91cc\u7684\u6210\u5458\u53d8\u91cf\u3002<\/li>\n<\/ul>\n<h1>\u7c7b\u7684\u9ed8\u8ba4\u6210\u5458\u51fd\u6570<\/h1>\n<p>\u524d\u9762\u6211\u4eec\u77e5\u9053\u4e86\u6709\u7a7a\u7c7b\uff0c\u5b83\u4eec\u91cc\u9762\u4ec0\u4e48\u90fd\u6ca1\u6709\u5b9a\u4e49\u3002\u4f46\u7a7a\u7c7b\u4e2d\u771f\u7684\u4ec0\u4e48\u90fd\u6ca1\u6709\u5417?\u5176\u5b9e\u5e76\u4e0d\u662f\uff0c\u7c7b\u5728\u521b\u5efa\u65f6\uff0c\u90fd\u4f1a\u9ed8\u8ba4\u751f\u6210\u4e00\u4e9b\u6210\u5458\u51fd\u6570\u3002\u8fd9\u7c7b\u6210\u5458\u51fd\u6570\u67096\u4e2a\uff0c\u79f0\u4f5c\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\u3002<\/p>\n<h2>\u6784\u9020\u51fd\u6570<\/h2>\n<p>\u5c31\u50cf\u521b\u5efa\u53d8\u91cf\u4e00\u6837\uff0c\u5bf9\u8c61\u5728\u5efa\u7acb\u65f6\uff0c\u6211\u4eec\u4e5f\u60f3\u5c06\u4e00\u4e9b\u53d8\u91cf\u521d\u59cb\u5316\uff0c\u4e3a\u5b83\u4eec\u8d4b\u503c\u3002\u4f46\u662f\u5bf9\u4e8e\u7c7b\u6765\u8bf4\uff0c\u5b83\u7684\u6210\u5458\u53d8\u91cf\u662f\u4e0d\u53ef\u4ee5\u76f4\u63a5\u521d\u59cb\u5316\u7684\u3002<\/p>\n<pre><code class=\"language-cpp line-numbers\">class time{\n    int hour = 0;\n    int min = 0;\n    iint sec = 0;\n};\/\/\u8fd9\u6837\u521d\u59cb\u5316\u5bf9\u8c61\u4e2d\u7684\u53d8\u91cf\u662f\u4e0d\u884c\u7684\n<\/code><\/pre>\n<p>\u56e0\u4e3a\u7c7b\u662f\u62bd\u8c61\u7684\u7c7b\u578b\uff0c\u5e76\u4e0d\u662f\u4e00\u4e2a\u5b9e\u4f53\u3002\u6ca1\u6709\u5360\u636e\u5185\u5b58\u7a7a\u95f4\uff0c\u4e0d\u80fd\u50a8\u5b58\u6570\u636e\u3002 \u60f3\u8981\u521d\u59cb\u5316\u53d8\u91cf\uff0c\u5fc5\u987b\u5c06\u6240\u6709\u53d8\u91cf\u90fd\u58f0\u660e\u4e3a\u516c\u7528\uff0c\u5e76\u6309\u7167\u4e0b\u9762\u7684\u65b9\u6cd5\u8fdb\u884c\u521d\u59cb\u5316\u3002<\/p>\n<pre><code class=\"language-cpp line-numbers\">class time{\npublic:\n    int hour;\n    int min;\n    int sec;\n};\ntime t1 = {0,0,0};\n<\/code><\/pre>\n<p>\u8fd9\u6837\u867d\u7136\u89e3\u51b3\u5230\u4e86\u521d\u59cb\u5316\u7684\u95ee\u9898\uff0c\u4f46\u663e\u7136\u5df2\u7ecf\u8fdd\u80cc\u4e86\u6211\u4eec\u4fdd\u62a4\u53d8\u91cf\u7684\u521d\u8877\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u53e6\u5bfb\u51fa\u8def\uff0c\u800c\u8fd9\u6761\u51fa\u8def\u5c31\u662f<strong>\u6784\u9020\u51fd\u6570<\/strong>\u3002<\/p>\n<p>\u6784\u9020\u51fd\u6570\u7684\u540d\u5b57\u5fc5\u987b\u548c\u7c7b\u540d\u76f8\u540c\uff0c\u4ee5\u4fbf\u7f16\u8bd1\u5668\u8bc6\u522b\u5b83\u3002\u5b83\u4e0d\u5177\u6709\u4efb\u4f55\u7c7b\u578b\uff0c\u4e0d\u5177\u6709\u8fd4\u56de\u503c\u3002\u529f\u80fd\u7531\u7528\u6237\u81ea\u5b9a\uff0c\u6ca1\u6709\u5b9a\u4e49\u65f6\u7cfb\u7edf\u4f1a\u81ea\u52a8\u751f\u6210\u4e00\u4e2a\u65e0\u53c2\u7684\u6784\u9020\u51fd\u6570\u3002<\/p>\n<pre><code class=\"language-cpp line-numbers\">class time{\npublic:\n    viod func(){\n    }\n    time(){\n    }\/\/\u4e00\u4e2a\u6ca1\u6709\u53c2\u6570\u7684\u6784\u9020\u51fd\u6570\n    time(int h,int m,int s){\n        hour = h;\n        min = m;\n        sec = s;\n    }\/\/\u4e00\u4e2a\u5e26\u53c2\u6570\u7684\u6784\u9020\u51fd\u6570\nprivate:\n    in.t hour;\n    int min;\n    int sec;    \n};\n\nint main(){\n    time t1;\/\/\u8c03\u7528\u65e0\u53c2\u7684\u6784\u9020\u51fd\u6570,\u4e0d\u9700\u8981\u52a0()\n    time t2(2,10);\/\/\u8c03\u7528\u6709\u53c2\u7684\u6784\u9020\u51fd\u6570 \n\n}\n<\/code><\/pre>\n<h2>\u6790\u6784\u51fd\u6570<\/h2>\n<p>\u6709\u6784\u9020\u51fd\u6570\u8fdb\u884c\u521d\u59cb\u5316\uff0c\u5c31\u6709\u6790\u6784\u51fd\u6570\u5b8c\u6210\u5bf9\u5bf9\u8c61\u7684\u8d44\u6e90\u7684\u91ca\u653e\u3002<\/p>\n<pre><code class=\"language-cpp line-numbers\">class sqlist{\npublic:\n    sqlist(){\n        _p=(int*)malloc(sizeof(int)*10);\n        assert(_p);\n        _size = 0;\n        _cap=cap;\n    }\n    ~sqlist(){\/\/\u8fd9\u662fsqlist\u7c7b\u7684\u6790\u6784\u51fd\u6570\n        if(_p){\n            free(_p);\n            p = NULL;\n            _cap = 0;\n            _size = 0;\n        }\n    }\nprivate:\n    int* _p;\n    size_t _size;\n    size_t _cap;\n};\n<\/code><\/pre>\n<h2>\u62f7\u8d1d\u6784\u9020\u51fd\u6570<\/h2>\n<p>\u5c31\u50cf\u53d8\u91cf\u4e00\u6837\uff0c\u6709\u65f6\u5019\u6211\u4eec\u5e0c\u671b\u7528\u4e00\u4e2a\u53d8\u91cf\u7684\u521d\u59cb\u5316\u53e6\u4e00\u4e2a\u53d8\u91cf\u3002\u6211\u4eec\u4e5f\u5e0c\u671b\u80fd\u521b\u5efa\u4e00\u4e2a\u548c\u539f\u6709\u5bf9\u8c61\u4e00\u6a21\u4e00\u6837\u7684\u65b0\u5bf9\u8c61\u3002\u8fd9\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u7528\u5230\u53e6\u4e00\u4e2a\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\uff1a\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u3002<br \/>\n\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u53ea\u6709\u4e00\u4e2a\u5f62\u53c2\uff0c\u6539\u5f62\u53c2\u662f\u5bf9\u672c\u7c7b\u5bf9\u8c61\u7684\u5f15\u7528\uff08\u4e00\u822c\u7528const\u4fee\u9970\uff09\uff0c\u5728\u7528\u5df2\u6709\u5bf9\u8c61\u521b\u5efa\u65b0\u5bf9\u8c61\u65f6\uff0c\u7f16\u8bd1\u5668\u81ea\u52a8\u8c03\u7528\u3002<\/p>\n<pre><code class=\"language-cpp line-numbers\">class Date{\npublic:\n    Date(int year = 9102,int month = 1,int day = 1){\n        _year = year;\n        _month = month;\n        _day = day;\n    }\n    Date(const Date&amp; d){\/\/Date\u7c7b\u7684\u62f7\u8d1d\u6784\u9020\u51fd\u6570\n        _year = d._year;\n        _month = d._month;\n        _day = d._day;\n    }\nprivate:\n    int _year;\n    int _month;\n    int _day;\n};\n<\/code><\/pre>\n<p>\u5176\u5b9e\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u76f8\u5f53\u4e8e\u6784\u9020\u51fd\u6570\u7684\u4e00\u4e2a\u91cd\u8f7d\u3002\u5b83\u53ea\u6709\u4e00\u4e2a\u53c2\u6570\uff0c\u800c\u4e14\u5fc5\u987b\u4f20\u5f15\u7528\uff0c\u5982\u679c\u4f20\u503c\uff0c\u4f1a\u5f15\u53d1\u65e0\u9650\u9012\u5f52\u8c03\u7528\u3002<br \/>\n\u6ca1\u6709\u663e\u5f0f\u5b9a\u4e49\u65f6\uff0c\u7cfb\u7edf\u4f1a\u751f\u6210\u9ed8\u8ba4\u7684\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u3002\u9ed8\u8ba4\u7684\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u4f1a\u6309\u539f\u5bf9\u8c61\u7684\u5185\u5b58\u5b58\u50a8\u6309\u5b57\u8282\u5e8f\u5b8c\u6210\u62f7\u8d1d\uff0c\u8fd9\u79cd\u62f7\u8d1d\u53eb\u505a\u6d45\u62f7\u8d1d\uff0c\u6216\u8005\u503c\u62f7\u8d1d\u3002\u5982\u679c\u5185\u5b58\u4e2d\u542b\u6709\u6307\u9488\u53d8\u91cf\uff0c\u8fd9\u79cd\u62f7\u8d1d\u7684\u65b9\u5f0f\u5c31\u4f1a\u8ba9\u6307\u9488\u6307\u5411\u540c\u4e00\u5757\u5185\u5b58\u7a7a\u95f4\u3002\u8fd9\u6837\u5728\u91ca\u653e\u8fd9\u6bb5\u7a7a\u95f4\u65f6\uff0c\u5c31\u4f1a\u88ab\u91ca\u653e\u4e24\u6b21\uff0c\u5bfc\u81f4\u4ee3\u7801\u5d29\u6e83\u3002<\/p>\n<h2>\u8fd0\u7b97\u7b26\u7684\u91cd\u8f7d<\/h2>\n<h3>\u8fd0\u7b97\u7b26\u91cd\u8f7d<\/h3>\n<p>\u6211\u4eec\u60f3\u8981\u6bd4\u8f83\u5b57\u7b26\u4e32\u662f\u5426\u76f8\u7b49, \u6211\u4eec\u4f1a\u672c\u80fd\u7684\u60f3\u5230\u4f7f\u7528&#8221;==&#8221;, \u4f46\u662f\u5b57\u7b26\u4e32\u6bd4\u8f83\u662f\u9700\u8981\u4f7f\u7528strcmp\u51fd\u6570\u6765\u8fdb\u884c\u6bd4\u8f83\u7684. \u4e3a\u4e86\u80fd\u591f\u8ba9\u4ee3\u7801\u66f4\u52a0\u597d\u770b\u4e00\u4e9b, \u6211\u4eec\u53ef\u4ee5\u7528\u8fd0\u7b97\u7b26\u91cd\u8f7d\u7684\u65b9\u5f0f\u8ba9\u8fd0\u7b97\u7b26\u5728\u4ee3\u7801\u4e2d\u6709\u53e6\u5916\u7684\u542b\u4e49.<\/p>\n<pre><code class=\"language-c line-numbers\">\/\/\u5728\u5168\u5c40\u91cd\u8f7d == \u8fd0\u7b97\u7b26\nbool operator==(const Date&amp; d1,const Date&amp; d2){\n    return (d1.year == y2.year) &amp;&amp; (d1.month == d2.month) &amp;&amp; (d1.day == d2.day);\n<\/code><\/pre>\n<p>\u4f46\u8fd9\u6837\u91cd\u8f7d\u64cd\u4f5c\u7b26, \u4e5f\u7834\u574f\u4e86\u7c7b\u7684\u5c01\u88c5\u6027. \u6211\u4eec\u9700\u8981\u628a\u5b83\u5199\u5728\u7c7b\u5185, \u8bbf\u95ee\u6743\u9650\u7ed9\u4ee5public.<br \/>\n\u590d\u5236\u8fd0\u7b97\u7b26\u91cd\u8f7d\u7684\u6ce8\u610f\u4e8b\u9879:<\/p>\n<ul>\n<li>\u4e0d\u80fd\u521b\u9020\u65b0\u7684\u8fd0\u7b97\u7b26<\/li>\n<li>\u91cd\u8f7d\u7684\u64cd\u4f5c\u7b26\u5fc5\u987b\u6709\u4e00\u4e2a\u7c7b\u7c7b\u578b\u6216\u8005\u679a\u4e3e\u7c7b\u578b\u7684\u64cd\u4f5c\u6570<\/li>\n<li>\u5185\u7f6e\u7c7b\u578b\u7684\u64cd\u4f5c\u7b26\u4e0d\u80fd\u91cd\u8f7d, \u6bd4\u5982int\u7c7b\u578b\u7684 &#8220;+&#8221;\u64cd\u4f5c\u7b26\u4e0d\u80fd\u91cd\u8f7d<\/li>\n<li>&#8221; .* &#8221;  &#8221; :: &#8221; &#8221; sizeof &#8221; &#8221; ?: &#8221; &#8221; . &#8220;\u4e0d\u80fd\u91cd\u8f7d<\/li>\n<\/ul>\n<h3>\u8d4b\u503c\u8fd0\u7b97\u7b26\u91cd\u8f7d<\/h3>\n<pre><code class=\"language-c line-numbers\">Date&amp; opertor = (const Date&amp; d){\n    if(this != &amp;d){\n        _year = d._year;\n        _month = d._month;\n        _day = d._day;\n    }\n<\/code><\/pre>\n<p>\u8d4b\u503c\u8fd0\u7b97\u7b26\u91cd\u8f7d\u9700\u8981\u6ce8\u610f\u4e94\u70b9:<\/p>\n<ol>\n<li>\u53c2\u6570\u7c7b\u578b<\/li>\n<li>\u8fd4\u56de\u503c<\/li>\n<li>\u68c0\u6d4b\u662f\u5426\u662f\u7ed9\u81ea\u5df1\u8d4b\u503c<\/li>\n<li>\u8fd4\u56de *this<\/li>\n<li>\u4e00\u4e2a\u7c7b\u5982\u679c\u6ca1\u6709\u663e\u5f0f\u5b9a\u4e49\u8d4b\u503c\u8fd0\u7b97\u7b26\u91cd\u8f7d, \u7f16\u8bd1\u5668\u4f1a\u81ea\u52a8\u751f\u6210\u4e00\u4e2a, \u7528\u6765\u5b8c\u6210\u6309\u5b57\u8282\u5e8f\u7684\u503c\u62f7\u8d1d. (\u6d45\u62f7\u8d1d)<\/li>\n<\/ol>\n<p>\u7f16\u8f91\u5668\u9ed8\u8ba4\u7684\u590d\u5236\u8fd0\u7b97\u7b26\u91cd\u8f7d\u51fd\u6570\u53ef\u4ee5\u5b8c\u6210\u5b57\u8282\u5e8f\u7684\u62f7\u8d1d\u5de5\u4f5c, \u8fd9\u6837\u7684\u62f7\u8d1d\u53eb\u505a\u6d45\u62f7\u8d1d, \u5f53\u7c7b\u4e2d\u6709malloc\u7b49\u51fd\u6570, \u5728\u5806\u4e0a\u7533\u8bf7\u4e86\u5185\u5b58\u7a7a\u95f4\u65f6, \u4f1a\u5728\u91ca\u653e\u7a7a\u95f4\u7684\u65f6\u5019\u5d29\u6e83.<\/p>\n<h2>const\u6210\u5458<\/h2>\n<p>const\u4e0d\u4ec5\u53ef\u4ee5\u4fee\u9970\u53d8\u91cf, \u5728\u7c7b\u4e2d, \u5b83\u8fd8\u53ef\u4ee5\u4fee\u9970\u6210\u5458\u51fd\u6570.<br \/>\nconst\u4fee\u9970\u51fd\u6570\u65f6, \u5b9e\u9645\u4e0a\u4fee\u9970\u7684\u662f\u8be5\u6210\u5458\u51fd\u6570\u9690\u542b\u7684this\u6307\u9488, \u88abconst\u4fee\u9970\u7684\u6210\u5458\u51fd\u6570\u4e0d\u80fd\u5bf9\u7c7b\u7684\u4efb\u4f55\u6210\u5458\u8fdb\u884c\u4fee\u6539.<br \/>\n\u7c7b\u4e2d\u7684\u6210\u5458\u51fd\u6570\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0const\u5b9e\u73b0\u91cd\u8f7d.<\/p>\n<pre><code class=\"language-c line-numbers\">class Di{\npublic:\n    void func(){\n        cout&lt;&lt;\"without const\"&lt;&lt;endl;\n    }\n    void func1()const{\n        cout&lt;&lt;\"with const\"&lt;&lt;endl;\n    }\n}\nvoid test(){\n    Di d1;\n    d1.func();\n    const Di d2;\n    d2.func();\n}\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801, \u5bf9\u8c61d1\u4f1a\u8c03\u7528\u975econst\u7684\u6210\u5458\u51fd\u6570, \u5bf9\u8c61d2\u4f1a\u8c03\u7528const\u6210\u5458\u51fd\u6570. \u5982\u679c\u53ea\u6709\u4e00\u4e2aconst \/ \u975econst\u6210\u5458\u51fd\u6570, \u90a3\u4e48const \u548c\u975econst\u5bf9\u8c61\u90fd\u4f1a\u8c03\u7528\u540c\u610f\u4e2a\u6210\u5458\u51fd\u6570. \u53e6\u5916:<\/p>\n<ul>\n<li>const\u5bf9\u8c61<strong>\u4e0d\u80fd<\/strong>\u8c03\u7528\u975econst\u6210\u5458\u51fd\u6570<\/li>\n<li>\u975econst\u5bf9\u8c61\u53ef\u4ee5\u8c03\u7528const\u6210\u5458\u51fd\u6570<\/li>\n<li>const\u6210\u5458\u51fd\u6570\u5185<strong>\u4e0d\u53ef\u4ee5<\/strong>\u8c03\u7528\u975econst\u6210\u5458\u51fd\u6570<\/li>\n<li>\u975econst\u6210\u5458\u51fd\u6570\u53ef\u4ee5\u8c03\u7528const\u6210\u5458\u51fd\u6570<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u5ff5 \u7c7b\u4f3c\u4e8e\u73b0\u5b9e\u4e2d\u5177\u4f53\u67d0\u4e2a\u4e8b\u7269\uff0c\u548c\u4e8b\u7269\u62bd\u8c61\u7684\u7c7b\u522b\uff08\u6bd4\u5982\u6211\u7684ipad\u548c\u5e73\u677f\u7535\u8111\uff0c\u897f\u5b89\u548c\u57ce\u5e02\uff09\uff0c\u76f8\u5e94\u7684\uff0c\u5728\u8ba1\u7b97\u673a\u7684\u4e16\u754c\u4e2d\u4e5f\u6709\u5bf9\u8c61\u548c\u7c7b\u7684\u6982\u5ff5\u3002\u7528\u7c7b\u63cf\u8ff0\u4e00\u4e2a\u529f\u80fd\u548c\u6a21\u5757\uff0c\u5e76\u7528\u5b9e\u4f8b\u5316\u7684\u65b9\u5f0f\u521b\u9020\u4e00\u4e2a\u5bf9\u8c61\uff0c\u8ba9\u4ed6\u5728\u7a0b\u5e8f\u4e2d\u53d1\u6325\u4f5c\u7528\u3002 \u7c7b\u7684\u6982\u5ff5\u6709\u70b9\u50cfC\u8bed\u8a00\u4e2d\u7684\u7ed3\u6784\u4f53\uff0c\u4f46\u662f\u6bd4\u8d77\u7ed3\u6784\u4f53\uff0c\u7c7b\u6709\u66f4\u591a\u4e30\u5bcc\u7684\u5c5e\u6027\u548c\u529f\u80fd\u3002\u6bd4\u5982\u5728\u7c7b\u4e2d\u9664\u4e86\u53ef\u4ee5\u5b9a\u4e49\u6210\u5458\u53d8\u91cf\uff0c\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u6210\u5458\u51fd\u6570\uff0c\u4ee5\u53ca\u8bbf\u95ee\u9650\u5b9a\u7b26\u7b49\u7b49\u3002 \u7c7b\u7684\u5b9a\u4e49 \u5b9a\u4e49\u4e00\u4e2a\u7c7b\uff1a class classname{ void func(){ cout&lt;&lt;&#8220;func&#8221;&lt;&lt;endl; }\/\/\u6210\u5458\u51fd\u6570 int stu; char name[1024];\/\/\u6210\u5458\u53d8\u91cf }; \/\/\u4e0d\u8981\u5fd8\u8bb0\u5206\u53f7 \u8bbf\u95ee\u9650\u5b9a\u7b26 \u7c7b\u7684\u8bbf\u95ee\u9650\u5b9a\u7b26\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u8bbf\u95ee\u6743\u9650\u7684\u65b9\u5f0f\u8ba9\u4e00\u4e9b\u53d8\u91cf\u9690\u85cf\u8d77\u6765\uff0c\u53ea\u5411\u5916\u63d0\u4f9b\u4e00\u4e9b\u63a5\u53e3\u7ed9\u7528\u6237\u4f7f\u7528\u3002 class student{ public: \/\/\u88abpublic\u4fee\u9970\u7684\u6210\u5458\u53ef\u4ee5\u5728\u7c7b\u7684\u5916\u90e8\u8bbf\u95ee void(int num){ stu = num; } protected: char sex[1024];\/\/\u88abprotected\u4fee\u9970\u7684\u6210\u5458\u53ea\u80fd\u5728\u7c7b\u7684\u5185\u90e8\u8bbf\u95ee private: int stu;\/\/\u88abprivate\u4fee\u9970\u7684\u6210\u5458\u53ea\u80fd\u5728\u7c7b\u7684\u5185\u90e8\u8bbf\u95ee }; class\u7684\u9ed8\u8ba4\u8bbf\u95ee\u6743\u9650\u4e3aprivate\uff0c\u800cstruct\u7684\u9ed8\u8ba4\u8bbf\u95ee\u6743\u9650\u662fpublic\uff08\u56e0\u4e3astruct\u8981\u517c\u5bb9C\u8bed\u8a00\uff09\u3002 \u7c7b\u7684\u4f5c\u7528\u57df\uff1a\u7c7b\u5b9a\u4e49\u4e86\u4e00\u4e2a\u65b0\u7684\u4f5c\u7528\u57df\uff0c\u7c7b\u7684\u6240\u6709\u6210\u5458\u90fd\u5728\u7c7b\u7684\u4f5c\u7528\u57df\u4e2d\u3002\u5728\u7c7b\u5916\u5b9a\u4e49\u6210\u5458\u65f6\u9700\u8981\u4f7f\u7528::\u4f5c\u7528\u9650\u5b9a\u7b26\u3002\u518d\u7c7b\u5185\u7684\u6210\u5458\u53d8\u91cf\u76f8\u5f53\u4e8e\u5bf9\u4e8e\u6210\u5458\u51fd\u6570\u6765\u8bf4\u76f8\u5f53\u4e8e\u662f\u4e00\u4e2a\u201c\u5168\u5c40\u53d8\u91cf\u201d\u3002 \u7c7b\u7684\u5b9e\u4f8b\u5316 \u7c7b\u662f\u4e00\u4e9b\u5bf9\u8c61\u7684\u62bd\u8c61\u63cf\u8ff0\uff0c\u5c31\u7c7b\u4f3c\u4e8e\u6570\u5b66\u6a21\u578b\u548c\u771f\u5b9e\u7684\u7269\u4f53\u3002\u5b9e\u4f8b\u5316\u5bf9\u8c61\u5c31\u662f\u6309\u7167\u6570\u5b66\u6a21\u578b\u201c\u9020\u51fa\u201d\u771f\u5b9e\u7269\u4f53\u7684\u8fc7\u7a0b\u3002\u548c\u73b0\u5b9e\u6309\u7167\u6570\u5b66\u6a21\u578b\u53ef\u4ee5\u5efa\u9020\u591a\u4e2a\u5b9e\u4f53\u4e00\u6837\uff0c\u4e00\u4e2a\u7c7b\u53ef\u4ee5\u5b9e\u4f8b\u5316\u591a\u4e2a\u5bf9\u8c61 \u5b9e\u4f8b\u5316\u5bf9\u8c61\u7684\u8fc7\u7a0b\u548c\u5b9a\u4e49\u53d8\u91cf\u7c7b\u4f3c\uff1a student a;\/\/\u8fd9\u6837\u5c31\u662f\u4f7f\u7528\u4e86\u4e0a\u9762\u5b9a\u4e49\u7684student\u5b9e\u4f8b\u5316\u4e86\u4e00\u4e2a\u5bf9\u8c61a \u7c7b\u7684\u5927\u5c0f \u7c7b\u4e2d\u65e2\u6709\u6210\u5458\u51fd\u6570\u53c8\u6709\u6210\u5458\u53d8\u91cf\u65f6\uff0c\u5982\u4f55\u8ba1\u7b97\u7c7b\u7684\u5927\u5c0f\u5462\uff1f \u7b54\u6848\u662f\uff1a\u7c7b\u7684\u5927\u5c0f\u65f6\u5c31\u6210\u5458\u53d8\u91cf\u4e4b\u548c\uff0c\u540c\u65f6\u548c\u7ed3\u6784\u4f53\u4e00\u6837\uff0c\u7c7b\u5728\u8ba1\u7b97\u5927\u5c0f\u65f6\u4e5f\u8981\u8003\u8651\u5185\u5b58\u5bf9\u9f50\u7684\u95ee\u9898\u3002 \u5bf9\u8c61\u7684\u50a8\u5b58\u65b9\u5f0f\u4e3a\uff1a\u4e0d\u540c\u5bf9\u8c61\u7684\u6210\u5458\u53d8\u91cf\u5355\u72ec\u50a8\u5b58\uff0c\u800c\u6210\u5458\u51fd\u6570\u5219\u540c\u7528\u4e00\u5757\u4ee3\u7801\u6bb5\u7a7a\u95f4\u3002\u8fd9\u6837\u8282\u7701\u4e86\u51fd\u6570\u91cd\u590d\u50a8\u5b58\u6d6a\u8d39\u7684\u7a7a\u95f4\uff0c\u800c\u6bcf\u4e2a\u5bf9\u8c61\u7684\u6570\u636e\u53c8\u4e0d\u4f1a\u4e92\u76f8\u5f71\u54cd\u3002 \u7279\u6b8a\u7684\u60c5\u51b5\uff1a\u7a7a\u7c7b\u7684\u5927\u5c0f\u4e3a1\u5b57\u8282\uff08VS\u4e2d\uff09\u3002 this\u6307\u9488 \u4e0a\u9762\u6211\u4eec\u8bb2\u5230\u4e86\u5bf9\u8c61\u7684\u50a8\u5b58\u65b9\u5f0f\u662f\u6210\u5458\u53d8\u91cf\u5355\u72ec\u50a8\u5b58\u800c\u6210\u5458\u51fd\u6570\u516c\u7528\u4ee3\u7801\u6bb5\u3002 class number{ public: set(int num){ ret = num; } show(){ cout&lt;&lt;ret&lt;&lt;endl; } private: int ret; }; int main(){ number N1,N2; N1.set(10); N2.set(29); N1.show(); N2.show(); return 0; } \u4f46\u662f\u95ee\u9898\u6765\u4e86\uff0c\u4e0a\u9762\u8fd9\u4e32\u4ee3\u7801\uff0cset\u51fd\u6570\u548cshow\u51fd\u6570\u7684\u4ee3\u7801\u662f\u5bf9\u8c61N1\u548cN2\u516c\u7528\u7684\uff0c\u90a3\u4e48\u5b83\u4eec\u662f\u600e\u4e48\u77e5\u9053\u5b83\u4eec\u9700\u8981\u64cd\u4f5c\u7684\u662f\u54ea\u4e2a\u5bf9\u8c61\u91cc\u7684ret\u53d8\u91cf\u5462\uff1f C++\u4e2d\u4f7f\u7528\u4e86this\u6307\u9488\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002C++\u7f16\u8bd1\u5668\u7ed9\u6bcf\u4e2a\u51fd\u6570\u589e\u52a0\u4e86\u4e00\u4e2a\u9690\u85cf\u7684\u6307\u9488\uff0c\u8ba9\u4ed6\u4eec\u6307\u5411\u5f53\u524d\u8fd0\u884c\u65f6\u8c03\u7528\u5b83\u4eec\u7684\u5bf9\u8c61\uff0c\u518d\u51fd\u6570\u4f53\u4e2d\u6240\u6709\u6210\u5458\u51fd\u6570\u7684\u64cd\u4f5c\u90fd\u662f\u901a\u8fc7\u8be5\u6307\u9488\u53bb\u8bbf\u95ee\u7684\uff0c\u8fd9\u4e2a\u64cd\u4f5c\u7531\u7f16\u8bd1\u5668\u81ea\u52a8\u5b8c\u6210\u3002\u4e0d\u9700\u8981\u7528\u6237\u64cd\u4f5c\u3002\uff08\u4f46\u7528\u6237\u53ef\u4ee5\u64cd\u4f5cthis\u6307\u9488\uff09 this\u6307\u9488\u7684\u7c7b\u578b\u662f\u7c7b\u7c7b\u578b\u6307\u9488\u5e38\u91cf\u3002\u6bd4\u5982\u4e0a\u4f8b\u4e2d\u7684this\u6307\u9488\u7684\u7c7b\u578b\u4e3anumber* const \u3002 this\u6307\u9488\u53ef\u4ee5\u770b\u505a\u662f\u6210\u5458\u51fd\u6570\u7684\u4e00\u4e2a\u5f62\u53c2\u3002\u5bf9\u8c61\u8c03\u7528\u6210\u5458\u51fd\u6570\u65f6\uff0c\u4f1a\u5c06\u5bf9\u8c61\u7684\u5730\u5740\u4f20\u7ed9this\u5f62\u53c2\u3002\u5bf9\u8c61\u4e2d\u5e76\u4e0d\u50a8\u5b58this\u6307\u9488\uff0cthis\u6307\u9488\u50a8\u5b58\u5728\u6808\u4e0a\u3002 this\u6307\u9488\u662f\u6210\u5458\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u5f62\u53c2\uff0c\u53ea\u80fd\u5728\u6210\u5458\u51fd\u6570\u4e2d\u4f7f\u7528\u3002 this\u6307\u9488\u53ef\u4ee5\u4e3a\u7a7a\uff0c\u4f46\u8fd9\u6837\u5c31\u65e0\u6cd5\u8bbf\u95ee\u5bf9\u8c61\u91cc\u7684\u6210\u5458\u53d8\u91cf\u3002 \u7c7b\u7684\u9ed8\u8ba4\u6210\u5458\u51fd\u6570 \u524d\u9762\u6211\u4eec\u77e5\u9053\u4e86\u6709\u7a7a\u7c7b\uff0c\u5b83\u4eec\u91cc\u9762\u4ec0\u4e48\u90fd\u6ca1\u6709\u5b9a\u4e49\u3002\u4f46\u7a7a\u7c7b\u4e2d\u771f\u7684\u4ec0\u4e48\u90fd\u6ca1\u6709\u5417?\u5176\u5b9e\u5e76\u4e0d\u662f\uff0c\u7c7b\u5728\u521b\u5efa\u65f6\uff0c\u90fd\u4f1a\u9ed8\u8ba4\u751f\u6210\u4e00\u4e9b\u6210\u5458\u51fd\u6570\u3002\u8fd9\u7c7b\u6210\u5458\u51fd\u6570\u67096\u4e2a\uff0c\u79f0\u4f5c\u9ed8\u8ba4\u6210\u5458\u51fd\u6570\u3002 \u6784\u9020\u51fd\u6570 \u5c31\u50cf\u521b\u5efa\u53d8\u91cf\u4e00\u6837\uff0c\u5bf9\u8c61\u5728\u5efa\u7acb\u65f6\uff0c\u6211\u4eec\u4e5f\u60f3\u5c06\u4e00\u4e9b\u53d8\u91cf\u521d\u59cb\u5316\uff0c\u4e3a\u5b83\u4eec\u8d4b\u503c\u3002\u4f46\u662f\u5bf9\u4e8e\u7c7b\u6765\u8bf4\uff0c\u5b83\u7684\u6210\u5458\u53d8\u91cf\u662f\u4e0d\u53ef\u4ee5\u76f4\u63a5\u521d\u59cb\u5316\u7684\u3002 class time{ int hour = 0; int min = 0; iint sec = 0; };\/\/\u8fd9\u6837\u521d\u59cb\u5316\u5bf9\u8c61\u4e2d\u7684\u53d8\u91cf\u662f\u4e0d\u884c\u7684 \u56e0\u4e3a\u7c7b\u662f\u62bd\u8c61\u7684\u7c7b\u578b\uff0c\u5e76\u4e0d\u662f\u4e00\u4e2a\u5b9e\u4f53\u3002\u6ca1\u6709\u5360\u636e\u5185\u5b58\u7a7a\u95f4\uff0c\u4e0d\u80fd\u50a8\u5b58\u6570\u636e\u3002 \u60f3\u8981\u521d\u59cb\u5316\u53d8\u91cf\uff0c\u5fc5\u987b\u5c06\u6240\u6709\u53d8\u91cf\u90fd\u58f0\u660e\u4e3a\u516c\u7528\uff0c\u5e76\u6309\u7167\u4e0b\u9762\u7684\u65b9\u6cd5\u8fdb\u884c\u521d\u59cb\u5316\u3002 class time{ public: int hour; int min; int sec; }; time t1 = {0,0,0}; \u8fd9\u6837\u867d\u7136\u89e3\u51b3\u5230\u4e86\u521d\u59cb\u5316\u7684\u95ee\u9898\uff0c&#8230;<\/p>\n","protected":false},"author":1,"featured_media":196,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[11,5],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=\/wp\/v2\/posts\/199"}],"collection":[{"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=199"}],"version-history":[{"count":3,"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=\/wp\/v2\/posts\/199\/revisions"}],"predecessor-version":[{"id":213,"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=\/wp\/v2\/posts\/199\/revisions\/213"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=\/wp\/v2\/media\/196"}],"wp:attachment":[{"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}