{"id":206,"date":"2020-08-23T15:33:17","date_gmt":"2020-08-23T07:33:17","guid":{"rendered":"https:\/\/kishere.gq\/?p=206"},"modified":"2021-01-14T10:53:24","modified_gmt":"2021-01-14T02:53:24","slug":"c-%e5%8d%95%e4%be%8b%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/blog.kishere.cn\/?p=206","title":{"rendered":"C++\u2014\u2014\u5355\u4f8b\u6a21\u5f0f"},"content":{"rendered":"<p>\u6700\u8fd1\u78b0\u5230\u4e00\u9053\u9898: \u5982\u4f55\u5b9a\u4e49\u4e00\u4e2a\u5355\u4f8b\u7c7b?<\/p>\n<pre><code class=\"language-cpp line-numbers\">class Singleton{\npublic:\n    static Singleton* GetInstance(){\n        return &amp;m_instance;\n    }\nprivate:\n\/\/ \u6784\u9020\u51fd\u6570\u79c1\u6709\n    Singleton(){};\n    \/\/ C++98 \u9632\u62f7\u8d1d\n    Singleton(Singleton const&amp;);\n    Singleton&amp; operator=(Singleton const&amp;);\n    \/\/ or\n    \/\/ C++11\n    Singleton(Singleton const&amp;) = delete;\n    Singleton&amp; operator=(Singleton const&amp;) = delete;\n\n    static Singleton m_instance;\n    };\n    Singleton Singleton::m_instance = new Singleton; \/\/ \u5728\u7a0b\u5e8f\u5165\u53e3\u4e4b\u524d\u5c31\u5b8c\u6210\u5355\u4f8b\u5bf9\u8c61\u7684\u521d\u59cb\u5316\n<\/code><\/pre>\n<p>\u4e3b\u8981\u601d\u60f3\u5c31\u662f\u5c06\u6784\u9020\u548c\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u8bbe\u6210\u79c1\u6709\uff0c\u7136\u540e\u5c06\u7c7b\u63d0\u524d\u7528static\u5b9a\u4e49\u4e00\u4e2a\u81ea\u5df1\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u5e76\u5728\u7c7b\u5916\u8fdb\u884c\u521d\u59cb\u5316\u3002\u8fd9\u79cd\u65b9\u6cd5\u79f0\u4e3a\u997f\u6c49\u6a21\u5f0f\uff0c\u4e0d\u7ba1\u662f\u5426\u4f7f\u7528\uff0c\u90fd\u5c06\u521b\u5efa\u8fd9\u4e2a\u7c7b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u78b0\u5230\u4e00\u9053\u9898: \u5982\u4f55\u5b9a\u4e49\u4e00\u4e2a\u5355\u4f8b\u7c7b? class Singleton{ public: static Singleton* GetInstance(){ return &amp;m_instance; } private: \/\/ \u6784\u9020\u51fd\u6570\u79c1\u6709 Singleton(){}; \/\/ C++98 \u9632\u62f7\u8d1d Singleton(Singleton const&amp;); Singleton&amp; operator=(Singleton const&amp;); \/\/ or \/\/ C++11 Singleton(Singleton const&amp;) = delete; Singleton&amp; operator=(Singleton const&amp;) = delete; static Singleton m_instance; }; Singleton Singleton::m_instance = new Singleton; \/\/ \u5728\u7a0b\u5e8f\u5165\u53e3\u4e4b\u524d\u5c31\u5b8c\u6210\u5355\u4f8b\u5bf9\u8c61\u7684\u521d\u59cb\u5316 \u4e3b\u8981\u601d\u60f3\u5c31\u662f\u5c06\u6784\u9020\u548c\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u8bbe\u6210\u79c1\u6709\uff0c\u7136\u540e\u5c06\u7c7b\u63d0\u524d\u7528static\u5b9a\u4e49\u4e00\u4e2a\u81ea\u5df1\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u5e76\u5728\u7c7b\u5916\u8fdb\u884c\u521d\u59cb\u5316\u3002\u8fd9\u79cd\u65b9\u6cd5\u79f0\u4e3a\u997f\u6c49\u6a21\u5f0f\uff0c\u4e0d\u7ba1\u662f\u5426\u4f7f\u7528\uff0c\u90fd\u5c06\u521b\u5efa\u8fd9\u4e2a\u7c7b\u3002<\/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\/206"}],"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=206"}],"version-history":[{"count":6,"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=\/wp\/v2\/posts\/206\/revisions"}],"predecessor-version":[{"id":209,"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=\/wp\/v2\/posts\/206\/revisions\/209"}],"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=206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.kishere.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}