{"id":180,"date":"2023-10-24T01:49:32","date_gmt":"2023-10-23T17:49:32","guid":{"rendered":"http:\/\/blog.minegician.cn\/?p=180"},"modified":"2023-11-09T16:16:49","modified_gmt":"2023-11-09T08:16:49","slug":"%e7%8e%b0%e4%bb%a3c%e5%ad%a6%e4%b9%a0-%e6%a8%a1%e6%9d%bf%e5%92%8c%e6%b3%9b%e5%9e%8b%e7%bc%96%e7%a8%8b","status":"publish","type":"post","link":"http:\/\/blog.minegician.cn\/?p=180","title":{"rendered":"\u73b0\u4ee3C++\u5b66\u4e60\u2014\u2014\u6a21\u677f\u548c\u6cdb\u578b\u7f16\u7a0b"},"content":{"rendered":"<h4>\u6a21\u677f\u5f15\u5165<\/h4>\n<ul>\n<li><code>\u6a21\u677f\u4e0e\u6cdb\u578b<\/code>\uff0c\u662f\u4e0e <code>\u9762\u5411\u8fc7\u7a0b<\/code> <code>\u9762\u5411\u5bf9\u8c61<\/code> \u5e76\u5217\u7684 C++ \u91cd\u8981\u90e8\u5206\uff0c\u8fdc\u4e0d\u6b62\u662f\u9762\u5411\u5bf9\u8c61\u7684\u5ef6\u4f38<\/li>\n<li>\u4e3b\u8981\u5206\u4e3a\u7c7b\u6a21\u677f\u548c\u51fd\u6570\u6a21\u677f\uff0c\u51fd\u6570\u6a21\u677f\u53c8\u5305\u542b\u666e\u901a\u51fd\u6570\u548c\u6210\u5458\u51fd\u6570<\/li>\n<\/ul>\n<h4>\u7c7b\u6a21\u677f\u548c\u6a21\u677f\u6982\u8ff0<\/h4>\n<p>\u4ee5\u4e0b\u4e3a\u4e00\u4e2a\u7b80\u5355\u7684\u6570\u7ec4\u7c7b\u6a21\u677f\uff1a<\/p>\n<pre><code class=\"language-c++\">template&lt;typename T&gt;\nclass MyArray\n{\n    using iterator = T*;\n    using const_iterator = const T*;    \/\/ \u7c7b\u578b\u91cd\u547d\u540d\uff0c\u66f4\u6613\u8bfb\npublic:\n    MyArray(size_t count);  \/\/ size_t\u5b8f\u5b9a\u4e49\u4e3aunsigned\uff0c\u5927\u5c0f\u4e0e\u673a\u5668\u4f4d\u6570\u6709\u5173(\u8fd9\u91cc\u662fuint64_t)\n    ~MyArray();\n\n    iterator begin()const;  \/\/ \u51fd\u6570\u4f53\u4e4b\u524d\u5305\u62ecconst\u90fd\u5c5e\u4e8e\u58f0\u660e\n    const_iterator cbegin()const;\nprivate:\n    T* data;    \/\/ \u6682\u65f6\u6ca1\u6478\u7d22\u51fa\u667a\u80fd\u6307\u9488\u5206\u914d\u6570\u7ec4\u7684\u65b9\u6cd5\n};<\/code><\/pre>\n<ol>\n<li>\n<p>\u6a21\u677f\u7684\u57fa\u672c\u6807\u5fd7\u662f\u5728\u58f0\u660e\u524d\u4f7f\u7528 <code>template&lt;typename T&gt;<\/code>\uff0c\u5f85\u5b9a\u7c7b\u578b<\/p>\n<\/li>\n<li>\n<p>\u6a21\u677f\u7684\u5b9e\u73b0\u539f\u7406\uff1a\u4e24\u6b21\u7f16\u8bd1<\/p>\n<ul>\n<li>\u521d\u6b21\u7f16\u8bd1\u53ea\u68c0\u67e5\u57fa\u672c\u8bed\u6cd5\uff0c\u56e0\u4e3a\u58f0\u660e\u4e0d\u5305\u542b\u903b\u8f91<\/li>\n<li>\u7b2c\u4e8c\u6b21\u7f16\u8bd1\uff0c\u5bf9\u6a21\u677f\u7684\u5b9e\u73b0\u4ee3\u5165\u7c7b\u578b\uff0c\u68c0\u67e5\u8bed\u6cd5\u5e76\u7f16\u8bd1\u6210\u5b9e\u9645\u7684\u7c7b<\/li>\n<\/ul>\n<blockquote>\n<p>\u5173\u4e8e\u6a21\u677f\u58f0\u660e\u548c\u5b9a\u4e49\u5199\u5728\u4e00\u8d77\u7684\u5206\u6790\uff1a<\/p>\n<ol>\n<li>\n<p>\u5bf9\u4e8e\u666e\u901a\u51fd\u6570\/\u7c7b\uff0c\u5176\u58f0\u660e\u5b58\u653e\u5728\u5934\u6587\u4ef6\u4f5c\u4e3a\u63a5\u53e3\uff0c\u5176\u5b9e\u73b0\u653e\u5728\u6e90\u6587\u4ef6\u7528\u4e8e\u8fd0\u884c\u65f6\u8c03\u7528<\/p>\n<\/li>\n<li>\n<p>\u6240\u4ee5\u5934\u6587\u4ef6\u548c\u6e90\u6587\u4ef6\u7684\u533a\u522b\uff0c\u5927\u81f4\u662f\uff1a<\/p>\n<ul>\n<li>\n<p>\u6e90\u6587\u4ef6\u662f\u56fa\u5b9a\u7684\u5b9e\u73b0\uff0c\u5355\u72ec\u7f16\u8bd1\u540e\u76f4\u63a5\u94fe\u63a5\uff0c\u5728\u8fd0\u884c\u671f\u76f4\u63a5\u8c03\u7528<\/p>\n<\/li>\n<li>\n<p>\u5934\u6587\u4ef6\u5fc5\u987b\u5728\u7f16\u8bd1\u671f\u8ddf\u968f\u6e90\u6587\u4ef6\u7f16\u8bd1<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6a21\u677f\u51fd\u6570\/\u7c7b\u7684\u5b9e\u73b0\uff0c\u867d\u7136\u8bed\u6cd5\u5b8c\u6574\u4f46\u7f3a\u5c11\u5177\u4f53\u7c7b\u578b\u652f\u6301\uff0c\u662f\u534a\u6210\u54c1\uff0c\u4e0d\u80fd\u8df3\u8fc7\u7f16\u8bd1\u76f4\u63a5\u94fe\u63a5\uff0c\u5fc5\u987b\u5728\u7f16\u8bd1\u671f\u4ee3\u5165\u7c7b\u578b\u751f\u6210\u5177\u4f53\u5b9e\u73b0\uff08\u4e5f\u5c31\u662f\u6a21\u677f\u7684\u7b2c\u4e8c\u6b21\u7f16\u8bd1\uff09<\/p>\n<\/li>\n<li>\n<p>\u6240\u4ee5\u6a21\u677f\u7684\u5b9e\u73b0\u548c\u58f0\u660e\u5fc5\u987b\u90fd\u5199\u8fdb\u5934\u6587\u4ef6<\/p>\n<\/li>\n<\/ol>\n<ul>\n<li>\n<p>\u4e8e\u662f\uff0cC++ \u63d0\u4f9b\u4e86 <code>.hpp<\/code> \u4e13\u7528\u4e8e\u6a21\u677f\u8fd9\u79cd\u58f0\u660e\u548c\u5b9a\u4e49\u90fd\u8981\u5199\u8fdb\u5934\u6587\u4ef6\u7684\u60c5\u51b5<\/p>\n<\/li>\n<li>\n<p>\u4f60\u80af\u5b9a\u597d\u5947\u6a21\u677f\u662f\u4e0d\u662f\u7834\u574f\u4e86\u5934\u6587\u4ef6\u7684\u6574\u6d01\u6027\uff1f<\/p>\n<p>\u662f\u7684\u3002\u5934\u6587\u4ef6\u4e5f\u662f C++ \u7684\u8fdc\u53e4\u9057\u4ea7\uff0cC++20 \u5f00\u59cb\u5f15\u5165\u6a21\u5757\u6982\u5ff5\u6b63\u662f\u7740\u624b\u89e3\u51b3\u5934\u6587\u4ef6\u4f7f\u7528\u65f6\u7684\u7b28\u91cd\u95ee\u9898<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<\/li>\n<\/ol>\n<pre><code class=\"language-c++\">template &lt;typename T&gt;\nMyArray&lt;T&gt;::MyArray(size_t count) {\n    if(count) {\n        data = new T[count]();\n    } else {\n        data = nullptr;\n    }\n}\n\/\/ \u6bcf\u4e2a\u51fd\u6570\u524d\u90fd\u8981\u52a0 template\ntemplate &lt;typename T&gt;\nMyArray&lt;T&gt;::~MyArray() {\n    if(data) {\n        delete[] data;\n    }\n}\n\/\/ \u4f7f\u7528\u7c7b\u4e0b\u7684\u81ea\u5b9a\u4e49\u7c7b\u578b\uff0ctypename \u5173\u952e\u5b57\u4f5c\u7528\u662f\u6ce8\u660e :: \u540e\u9762\u7684\u4e0d\u662f\u7c7b\u6210\u5458\u800c\u662f\u81ea\u5b9a\u4e49\u7c7b\u578b\ntemplate&lt;typename T&gt;\ntypename MyArray&lt;T&gt;::iterator MyArray&lt;T&gt;::begin() const {\n    return data;\n}\n\ntemplate &lt;typename T&gt;\ntypename MyArray&lt;T&gt;::const_iterator MyArray&lt;T&gt;::cbegin() const {\n    return data;\n}\n\/\/ \u6709\u5173\u51fd\u6570\u6a21\u677f\u7684\u7ec6\u8282\uff0c\u540e\u9762\u518d\u8be6\u89e3<\/code><\/pre>\n<blockquote>\n<p>\u4ee5\u4e0a\u4e3a\u4e0a\u9762\u7c7b\u6210\u5458\u51fd\u6570\u7684\u7c7b\u5916\u5b9e\u73b0\uff08\u7c7b\u5185\u5b9e\u73b0\u7565\uff09<\/p>\n<p>\u4f5c\u4e3a\u7c7b\u7684\u6210\u5458\uff0c\u5b9a\u4e49\u7684\u8bbf\u95ee\u5c31\u9700\u8981\u4f7f\u7528\u7c7b\u7684\u5168\u540d\uff0c\u5373\u5e26\u4e0a <code>&lt;T&gt;<\/code><\/p>\n<\/blockquote>\n<h4>initializer_list \u548c typename<\/h4>\n<h5>initializer_list<\/h5>\n<blockquote>\n<p>C++11 \u6807\u51c6\u5e93\u63d0\u4f9b\u7684\u7c7b\u578b\uff0c\u53ef\u4ee5\u7528\u4e8e\u6570\u7ec4\u5f62\u5f0f\u7684\u6570\u636e\u3002\u8bed\u6cd5\u7279\u70b9\u662f\u4f5c\u4e3a\u53c2\u6570\u53ef\u7701\u7565\u5706\u62ec\u53f7\uff0c\u6b64\u5916\u90fd\u662f\u6807\u51c6\u5e93\u5b9e\u73b0<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mgc-1311747586.cos.ap-shanghai.myqcloud.com\/notes\/image-20231020000616717.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/mgc-1311747586.cos.ap-shanghai.myqcloud.com\/notes\/image-20231020000616717.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20231020000616717\" \/><\/div><\/p>\n<p>\u4e0a\u56fe\u5c55\u793a\u4e86\u5176\u683c\u5f0f\uff0c\u4ee5\u53ca\u53ef\u4f5c\u4e3a\u53f3\u503c\u5f62\u5f0f<\/p>\n<\/blockquote>\n<pre><code class=\"language-c++\">std::initializer_list&lt;int&gt; iList {1, 2, 3};\nstd::vector&lt;int&gt; ivec {1, 2, 3};  \/\/ \u5b9e\u73b0\u4e86\u6784\u9020\u51fd\u6570 vector(std::initializer_list&lt;T&gt;, \u540e\u9762\u7684\u53c2\u6570\u7565)<\/code><\/pre>\n<p>\u5bf9\u81ea\u5b9a\u4e49\u7c7b\u5b9e\u73b0 <code>initializer_list<\/code> \u7684\u652f\u6301\uff1a<\/p>\n<pre><code class=\"language-c++\">\/\/ \u8403\u53d6\n#include &lt;type_traits&gt;\n\n\/\/ \u4f7f\u7528\u6a21\u677f\u7279\u5316\u83b7\u53d6\u6307\u9488\u7684\u7c7b\u578b(\u80cc\u4e0b\u6765)\ntemplate&lt;typename T&gt;\nstruct get_type{\n    using type = T;\n}\ntemplate&lt;typename T&gt;\nstruct get_type&lt;T*&gt;{\n    using type = T;\n}\n\n\/\/ \u8bbe\u8ba1\u4e3a: \u4f20\u9012\u6307\u9488\u540e\u5b58\u50a8\u5176\u6307\u5411\u7684\u5bf9\u8c61(\u6df1\u62f7\u8d1d)\ntemplate &lt;typename T&gt;\nMyArray&lt;T&gt;::MyArray(std::initializer_list&lt;T&gt;&amp; list){\n    if(list.size()) {\n        unsigned count = 0;\n        data = new T[list.size()]();\n        if(std::is_pointer_v&lt;T&gt;) {    \/\/ type_traits\u63d0\u4f9b\u7684\u51fd\u6570(C++17)\uff0c\u8fd4\u56de bool\n            for(auto elem : list) {\n                data[count++] = new typename get_type&lt;T&gt;::type(*elem);\n            }\n        }else {\n            for(auto&amp; elem : list) { data[count++] = elem; }\n        }\n    }else {\n        data = nullptr;\n    }\n}\n\ntemplate &lt;typename T&gt;\nMyArray&lt;T&gt;::MyArray(std::initializer_list&lt;T&gt;&amp;&amp; list){\n    if(list.size()) {\n        unsigned count = 0;\n        data = new T[list.size()]();\n        for(auto&amp; elem : list) {\n            data[count++] = elem;\n        }\n    }else {\n        data = nullptr;\n    }\n}<\/code><\/pre>\n<blockquote>\n<p>\u8fd9\u53e5\u6700\u521d\u7406\u89e3\u9519\u4e86\uff0c\u8bb0\u5f55\u4e00\u4e0b\uff1a<code>data[count++] = new typename get_type&lt;T&gt;::type(*elem);<\/code><\/p>\n<p><code>typename get_type&lt;T&gt;::type<\/code> \u8bbf\u95ee\u4e86\u7279\u5316\u6a21\u677f\u4e0b\u53d6\u5f97\u7684\u7c7b\u578b\uff0c<code>*elem<\/code> \u53d6\u5f97\u4e86\u5217\u8868\u4e2d\u6307\u9488\u6307\u5411\u7684\u503c<\/p>\n<p>\u6240\u4ee5\u8bf4\u662f\u5c06\u52a8\u6001\u5206\u914d\u7684\u6307\u9488\u6570\u7ec4\uff0c\u5176\u4e2d\u6bcf\u4e2a\u6307\u9488\u6307\u5411\u4e00\u5757\u65b0\u7684\u6570\u636e\uff0c\u5b9e\u73b0\u6df1\u62f7\u8d1d<\/p>\n<ul>\n<li>\n<p>\u9519\u89e3\u539f\u56e0\uff1a<\/p>\n<ol>\n<li>\u88ab <code>&lt;T&gt;<\/code> \u8ff7\u60d1\uff0c\u50bb\u50bb\u5206\u4e0d\u6e05\u7c7b\u578b\u5230\u5e95\u662f\u6307\u9488\u8fd8\u662f\u6307\u5411\u7c7b\u578b<\/li>\n<li>\u5c1a\u4e0d\u719f\u6089\u6a21\u677f\u4e0b\u7684\u7c7b\u578b\uff0c\u5206\u4e0d\u6e05\u7c7b\u578b\u548c\u53d8\u91cf<\/li>\n<\/ol>\n<\/li>\n<li>\n<p>\u5982\u679c\u53ea\u662f\u7ebf\u6027\u5b58\u50a8\u7684\u8bdd\uff0c\u53ef\u4ee5\u5c06 <code>T* data<\/code> \u6362\u6210 <code>vector&lt;T&gt;<\/code>\uff0c\u4f46\u4e5f\u53ef\u4ee5\u624b\u5199\u6790\u6784\uff0c\u4e0d\u96be<\/p>\n<p><code>vector<\/code> \u81ea\u5e26\u6790\u6784\uff0c\u4e14\u63d0\u4f9b\u4e86\u4fbf\u5229\u7684\u521d\u59cb\u5316\u7b49\u51fd\u6570\uff0c\u5982\u679c\u662f\u5b58\u653e\u6307\u9488\uff0c\u642d\u914d\u667a\u80fd\u6307\u9488\u53ef\u4ee5\u5b9e\u73b0\u5185\u5b58\u81ea\u7531<\/p>\n<pre><code class=\"language-c++\">\/\/ \u5047\u5b9a\u5b58\u653e\u4e86\u52a8\u6001\u5206\u914d\u7684\u4f20\u7edf\u6307\u9488(\u53ea\u662f\u4e2a\u4f8b\u5b50\uff0c\u5efa\u8bae\u80fd\u7528\u6a21\u677f\u5c31\u6362\u6a21\u677f)\ntemplate <typename T>\nMyArray<T>::~MyArray() {\n  if(data) {\n      if(std::is_pointer_v<T>) {\n          for(auto i = 0; i < length; i++) {\n              delete data[i];\n          }\n      }\n      delete[] data;\n  }\n}<\/code><\/pre>\n<\/li>\n<li>\n<p>\u62f7\u8d1d\u6784\u9020\u4e2d\uff0c\u8fd9\u91cc\u533a\u522b\u5904\u7406 <code>initializer_list<\/code>\uff0c\u666e\u901a\u5bf9\u8c61\u4f20\u5f15\u7528\uff0c\u6307\u9488\u4f20\u503c\uff08\u90fd\u4f20\u503c\u4e5f\u884c\uff0c\u770b\u6df1\u62f7\u8d1d\u9700\u6c42\uff09<\/p>\n<p>\u79fb\u52a8\u62f7\u8d1d\u4e2d\uff0c\u4e0d\u5b58\u5728\u4ee5\u4e0a\u95ee\u9898<\/p>\n<\/li>\n<li>\n<p>\u6307\u9488\u7684\u5224\u65ad\uff1a<\/p>\n<ol>\n<li>\u6a21\u677f\u7279\u5316\uff1a\u6b64\u5904\u53ea\u662f\u7528\u4e8e\u83b7\u53d6\u6307\u5411\u7c7b\u578b\uff0c\u540e\u9762\u4f1a\u8be6\u89e3<\/li>\n<li>\u8403\u53d6\u6280\u672f\uff1a<code>&lt;type_traits&gt;<\/code> \u63d0\u4f9b\u7684\u4e00\u7cfb\u5217\u51fd\u6570<\/li>\n<\/ol>\n<\/li>\n<li>\n<p>\u590d\u4e60\u4e00\u4e0b C++ \u4f20\u53c2\uff08\u5b66\u4e60\u521d\u671f\u5bb9\u6613\u8ba4\u4e3a\u503c\u548c\u6307\u9488\u4e00\u65e0\u662f\u5904\uff0c\u6240\u4ee5\u6709\u5fc5\u8981\u8865\u5145\uff09\uff1a<\/p>\n<ol>\n<li>\u4f20\u6307\u9488\uff08\u5305\u62ec\u667a\u80fd\uff09\uff1a<strong>\u975e\u5fc5\u8981\u4e0d\u7528<\/strong>\uff0c\u8981\u4e48\u662f<strong>\u5e93\u7684\u89c4\u5b9a<\/strong>\uff0c\u8981\u4e48\u662f<strong>\u9700\u8981\u6307\u9488<\/strong>\u4f5c\u4e3a\u53d8\u91cf\u7684\u573a\u5408\uff0c\u8981\u4e48\u662f<strong>\u6574\u82b1\u6d3b<\/strong><\/li>\n<li>\u4f20\u5f15\u7528\uff1a\u4e0d\u9700\u8981\u6307\u9488\uff0c\u53ea\u9700\u8981\u6307\u5411\u5bf9\u8c61\uff08\u5bf9\u8c61\u5305\u62ec\u6307\u9488\uff09\u7684\u573a\u5408\uff0c<strong>\u5b89\u5168\u6027\u8f83\u9ad8\uff0c\u6bd4\u503c\u9ad8\u6548\uff0c\u6240\u4ee5\u6700\u5e38\u7528<\/strong><\/li>\n<li>\u4f20\u503c\uff1a\u7279\u70b9\u662f\u62f7\u8d1d\uff0c\u4e0e\u5916\u754c\u53d8\u91cf<strong>\u9694\u79bb<\/strong>\uff0c<strong>\u5b89\u5168\u6027\u6700\u9ad8<\/strong>\u3002\u4e5f\u662f<strong>\u975e\u5fc5\u8981\u4e0d\u7528<\/strong>\uff0c\u56e0\u4e3a\u62f7\u8d1d\u660e\u663e\u6709<strong>\u4f4e\u6548<\/strong>\u7684\u7f3a\u70b9<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<\/blockquote>\n<h5>typename<\/h5>\n<blockquote>\n<p>\u4e24\u79cd\u7528\u9014\uff1a<\/p>\n<ol>\n<li>\u58f0\u660e\u6a21\u677f\u7c7b \/ \u51fd\u6570\u65f6\uff0c\u58f0\u660e\u4e3a\u5f85\u5b9a\u7c7b\u578b T <code>template&lt;typename T&gt;<\/code><\/li>\n<li>\u4f7f\u7528\u6a21\u677f\u7c7b\u4e0b\u7684\u7c7b\u578b <code>\u7c7b::custom_type<\/code> \u65f6\uff0c\u6807\u660e\u5176\u4e3a\u4e00\u4e2a\u7c7b\u578b\uff0c\u800c\u975e\u9759\u6001\u6210\u5458<\/li>\n<\/ol>\n<ul>\n<li>\n<p>\u65e9\u671f\u4f7f\u7528 <code>class<\/code> \u5173\u952e\u5b57\u5e73\u66ff\uff0c\u540e\u6765\u51fa\u73b0\u4e86\u4e0a\u9762\u7b2c\u4e8c\u79cd\u60c5\u51b5\uff0c\u5c31\u8bde\u751f\u4e86\u65b0\u7684\u5173\u952e\u5b57 <code>typename<\/code><\/p>\n<\/li>\n<li>\n<p>\u6ce8\uff1aC++20 \u6807\u51c6\u5df2\u7ecf\u652f\u6301\u5728\u7c7b\u81ea\u5b9a\u7c7b\u578b\u524d\u7701\u7565 <code>typename<\/code>\uff0c\u65e7\u6807\u51c6\u7f3a\u5c11\u5173\u952e\u5b57\u65f6 IDE \u4f1a\u63d0\u793a\u9700\u8981\u5207\u6362\u65b0\u6807\u51c6<\/p>\n<\/li>\n<li>\n<p>\u6240\u4ee5\u5bf9\u4e8e\u8fd9\u4e2a\u5173\u952e\u5b57\u4ec0\u4e48\u65f6\u5019\u8be5\u52a0\u7684\u8ba8\u8bba\u7eaf\u6d6a\u8d39\u65f6\u95f4\uff0c\u53ef\u4ee5\u5230\u6b64\u4e3a\u6b62\u4e86<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<h4>\u51fd\u6570 \/ \u6210\u5458\u51fd\u6570\u6a21\u677f<\/h4>\n<blockquote>\n<p>\u57fa\u672c\u8bed\u6cd5\u4e0e\u7c7b\u6ca1\u6709\u592a\u5927\u533a\u522b<\/p>\n<p>\u4f7f\u7528\u65f6\u4f1a\u81ea\u52a8\u5224\u65ad\u7c7b\u578b\uff0c\u4e5f\u53ef\u4ee5\u50cf\u7c7b\u4e00\u6837\u663e\u5f0f\u786e\u5b9a\u7c7b\u578b\uff08\u4f46\u662f\u7eaf\u591a\u6b64\u4e00\u4e3e\uff09\uff0c\u5982\u4e0b\uff1a<\/p>\n<\/blockquote>\n<pre><code class=\"language-c++\">\/\/ \u81ea\u5b9a\u4e49\u4e00\u4e2a\u666e\u901a\u51fd\u6570for_each\u6267\u884c\u4e00\u4e2a\u7b80\u5355\u56de\u8c03\nnamespace mgc\n{\n    template &lt;typename iter_type, typename func_type&gt;\n    void for_each(iter_type first, iter_type last, func_type func) {\n        for(auto iter = first; iter != last; ++iter) {\n            func(*iter);\n        }\n    }\n}\n\nint main(){\n    std::vector&lt;int&gt; ivec {1, 2, 3};\n    mgc::for_each(ivec.begin(), ivec.end(), [](int&amp; elem) {\n            ++elem;\n        });\n    mgc::for_each&lt;std::vector&lt;int&gt;::iterator, void(*)(int&amp;)&gt;(ivec.begin(), ivec.end(), [](int&amp; elem) {\n            ++elem;\n        });     \/\/ \u663e\u5f0f\u786e\u5b9a\u7c7b\u578b\n    for (const auto value : ivec) std::cout &lt;&lt; value &lt;&lt; std::endl;  \/\/ 3 4 5\n}<\/code><\/pre>\n<blockquote>\n<p>\u4ee5\u4e0b\u4e3a\u5728\u7c7b\u6a21\u677f\u4e2d\u53e6\u5916\u5b9a\u4e49\u51fd\u6570\u6a21\u677f\uff1a<\/p>\n<\/blockquote>\n<pre><code class=\"language-c++\">template &lt;typename T&gt;\nclass MyVec{\npublic:\n    template &lt;typename T2&gt;\n    void func1(const T2&amp; elem){\n        std::cout &lt;&lt; elem &lt;&lt; std::endl;\n    }   \/\/ \u7c7b\u5185\u5b9a\u4e49\n\n    template &lt;typename T2&gt;\n    void func2(const T2&amp; elem);\n};\n\/\/ \u4e24\u5c42template\ntemplate &lt;typename T&gt;\ntemplate &lt;typename T2&gt;\nvoid MyVec&lt;T&gt;::func2(const T2&amp; elem){\n    std::cout &lt;&lt; elem;\n}   \/\/ \u7c7b\u5916\u5b9a\u4e49<\/code><\/pre>\n<blockquote>\n<p><code>template<\/code> \u7684\u4f7f\u7528\uff0c\u51e1\u662f\u4e0b\u4e00\u4e2a\u58f0\u660e\u7528\u5230\u4e86\u5f85\u5b9a\u7c7b\u578b\uff0c\u90fd\u8981\u5728\u524d\u9762\u52a0 <code>template<\/code><\/p>\n<p><code>template<\/code> \u6570\u91cf\u4e0e\u6a21\u677f\u6570\u91cf\u76f8\u5173\uff0c\u5982\u4e0a\u65b9\u7684\u7c7b\u548c\u6210\u5458\u51fd\u6570\uff0c\u662f\u4e24\u4e2a\u72ec\u7acb\u6a21\u677f\uff0c\u6240\u4ee5\u8981\u5199\u4e24\u884c<\/p>\n<\/blockquote>\n<h4>\u9ed8\u8ba4\u6a21\u677f\u53c2\u6570<\/h4>\n<blockquote>\n<p>\u51fd\u6570\u6a21\u677f\uff0c\u5728\u58f0\u660e\u5f85\u5b9a\u7c7b\u578b\u65f6\u53ef\u4ee5\u8d4b\u9ed8\u8ba4\u7c7b\u578b\u3002\u4e0e\u53c2\u6570\u4e00\u6837\uff0c\u9ed8\u8ba4\u7c7b\u578b\u4e00\u65e6\u58f0\u660e\uff0c\u4e5f\u5fc5\u987b\u9075\u5faa\u4ece\u53f3\u5230\u5de6\u89c4\u5219<\/p>\n<\/blockquote>\n<h5>\u51fd\u6570\u6a21\u677f\u9ed8\u8ba4\u53c2\u6570<\/h5>\n<ol>\n<li>\n<p>\u5982\u679c\u51fd\u6570\u58f0\u660e\u7684\u53c2\u6570\u6709\u9ed8\u8ba4\u503c\uff0c\u5219\u6a21\u677f\u5bf9\u5e94\u7c7b\u578b\u5fc5\u987b\u6709\u9ed8\u8ba4\u503c\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\uff0c\u5219\u8be5\u53c2\u6570\u65e0\u6548<\/p>\n<pre><code class=\"language-c++\">\/\/ function\u76ee\u524d\u53ef\u4ee5\u8ba4\u4e3a\u662fC++11\u63d0\u4f9b\u7684\u51fd\u6570\u6307\u9488\u5347\u7ea7\u7248\ntemplate <typename func_type = std::function<void(int&)>>\nvoid test(int& i, func_type func = [](int& e){e++;}){\nfunc(i);\n   cout << i;\n}\n\/\/ \u53c2\u6570\u53ef\u4ee5\u4e0d\u8d4b\u503c\uff0c\u4f46\u53c2\u6570\u8d4b\u503c\u4e4b\u540e\u5f85\u5b9a\u7c7b\u578b\u5fc5\u987b\u8d4b\u503c\n\ntest(5);<\/code><\/pre>\n<\/li>\n<li>\n<p>\u4e0e\u9ed8\u8ba4\u53c2\u6570\u4e00\u6837\uff0c\u9ed8\u8ba4\u7c7b\u578b\u662f\u9690\u5f0f\u7684\uff0c\u5728\u4f7f\u7528\u65f6\u53ef\u4ee5\u88ab\u8986\u76d6\uff0c\u5982\u679c\u663e\u5f0f\u4f7f\u7528\u4e86\u5176\u4ed6\u7c7b\u578b\u7684\u53c2\u6570\uff0c\u5219\u7c7b\u578b\u4f1a\u9690\u5f0f\u8986\u76d6<\/p>\n<p><strong>\u524d\u63d0\u662f\u8be5\u6a21\u677f\u51fd\u6570\u652f\u6301\u90a3\u4e2a\u7c7b\u578b<\/strong><\/p>\n<blockquote>\n<p>\u6a21\u677f\u7684\u9ed8\u8ba4\u7c7b\u578b\u662f\u7ed9\u9ed8\u8ba4\u53c2\u6570\u670d\u52a1\u7684\uff0c\u5e76\u4e0d\u662f\u9650\u5236\u7c7b\u578b<\/p>\n<p>\u6bd4\u5982\u4e0a\u65b9\u51fd\u6570\u9ed8\u8ba4\u53c2\u6570\u662f <code>int&amp;<\/code> \u7684 lambda \u8868\u8fbe\u5f0f\uff0c\u6240\u4ee5\u5fc5\u987b\u5148\u786e\u5b9a <code>func_type<\/code> \u6765\u901a\u8fc7\u7f16\u8bd1<\/p>\n<p>\u5047\u5982\u5b9e\u9645\u8c03\u7528\u65f6\uff0c\u4f20\u5165\u7684\u4e0d\u662f <code>int&amp;<\/code> \u7684 lambda \u8868\u8fbe\u5f0f\uff0c\u90a3\u4e48\u4e5f\u4e0d\u7528\u7ba1 <code>func_type<\/code> \u7684\u9ed8\u8ba4\u503c\u4e86\uff0c\u53ea\u8981\u51fd\u6570\u4f53\u80fd\u8dd1\u901a\u5c31\u884c\uff0c\u5982\u4e0b<\/p>\n<\/blockquote>\n<pre><code class=\"language-c++\">\/\/ \u51fd\u6570\u5b9a\u4e49\ntemplate <typename iter_type = vector<int>::iterator, typename func_type = function<void(int&)>>\ntest(iter_type first, iter_type last, func_type func = [](int& elem){elem++;});\n\/\/ \u4ee5\u4e0b\u662f\u65e0\u89c6\u9ed8\u8ba4\u503c\u8c03\u7528\uff0c\u662f\u7b49\u6548\u7684\nstd::vector<std::string> svec {\"mgc\", \"xcr\", \"mcg\"};\n\ntest(svec.begin(), svec.end(), [](string str){cout << str;});    \/\/ \u9690\u5f0f\u8986\u76d6\u7c7b\u578b\n\ntest<vector<string>::iterator, void(*)(string)>(svec.begin(), svec.end(), [](string str){cout << str;}); \/\/ \u663e\u793a\u8986\u76d6\u7c7b\u578b(\u4f9d\u7136\u53ea\u662f\u8d77\u5230\u6ce8\u89e3\u529f\u80fd\u7f62\u4e86)<\/code><\/pre>\n<\/li>\n<li>\n<p>\u603b\u7ed3\uff1a<\/p>\n<ul>\n<li>\u51fd\u6570<strong>\u4e3a\u5f85\u5b9a\u7c7b\u578b\u6307\u5b9a\u9ed8\u8ba4\u503c<\/strong>\uff0c\u9700\u8981\u58f0\u660e\u6a21\u677f\u9ed8\u8ba4\u7c7b\u578b\u3002\u4e5f\u5c31\u662f\u6a21\u677f\u51fd\u6570\u58f0\u660e\u9ed8\u8ba4\u503c\u7684<strong>\u786c\u6027\u9644\u52a0\u6761\u4ef6<\/strong><\/li>\n<li><strong>\u5176\u4ed6\u60c5\u51b5<\/strong>\u90fd\u662f\u8d77\u5230\u6ce8\u91ca\u7684\u4f5c\u7528\uff0c\u63d0\u4f9b\u4e00\u79cd\u652f\u6301\u7684\u7c7b\u578b\uff0c<strong>\u53ef\u4ee5\u65e0\u89c6<\/strong>\uff0c<strong>\u53ea\u8981\u66ff\u6362\u7684\u7c7b\u578b\u80fd\u517c\u5bb9\u903b\u8f91\u5373\u53ef<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h5>\u7c7b\u6a21\u677f\u9ed8\u8ba4\u53c2\u6570<\/h5>\n<ol>\n<li>\n<p>\u5728\u9ed8\u8ba4\u7c7b\u578b\u4e0a\uff0c\u8bed\u6cd5\u4e0e\u51fd\u6570\u6a21\u677f\u5b8c\u5168\u4e00\u81f4<\/p>\n<\/li>\n<li>\n<p>\u793a\u4f8b\u2014\u2014STL \u4e2d\u7684\u5bb9\u5668\u666e\u904d\u4f7f\u7528\u4e86\u9ed8\u8ba4\u7c7b\u578b <code>allocator&lt;T&gt;<\/code>\uff0c\u7528\u4e8e\u5f53\u524d\u5bb9\u5668 <code>container&lt;T&gt;<\/code> \u7684\u5185\u5b58\u7ba1\u7406<\/p>\n<blockquote>\n<p>\u6240\u4ee5\u521b\u5efa\u5bb9\u5668\u4e00\u822c\u7ed9\u5143\u7d20\u7c7b\u578b\u5c31\u884c\u4e86\uff0c\u4e5f\u53ef\u4ee5\u5199\u4e2a\u9002\u914d\u5404\u79cd\u64cd\u4f5c\u7684\u6a21\u677f\u7c7b\u653e\u8fdb\u53bb<\/p>\n<\/blockquote>\n<pre><code class=\"language-c++\">template <typename T, typename _Alloc = std::allocator<T>><\/code><\/pre>\n<\/li>\n<li>\n<p>\u7c7b\u6a21\u677f\u7684\u9ed8\u8ba4\u53c2\u6570\u540c\u6837\u53ef\u4ee5\u88ab\u65e0\u89c6\uff0c\u53ea\u8981\u66ff\u6362\u7684\u7c7b\u578b\u80fd\u517c\u5bb9\u9ed8\u8ba4\u7c7b\u578b\u7684\u64cd\u4f5c\u5373\u53ef<\/p>\n<\/li>\n<\/ol>\n<h4>\u6a21\u677f\u91cd\u8f7d\u548c\u7279\u5316<\/h4>\n<blockquote>\n<p>\u5728\u8fd9\u4e00\u8282\uff0c\u4f60\u53ef\u4ee5\u4f53\u4f1a\u5230\u6307\u9488\u6240\u6307\u5411\u7684\u7c7b\u578b\u5177\u6709\u524d\u6240\u672a\u6709\u7684\u5b58\u5728\u611f<\/p>\n<\/blockquote>\n<h5>\u6a21\u677f\u91cd\u8f7d<\/h5>\n<blockquote>\n<p>\u51fd\u6570\u6a21\u677f\u4e13\u7528<\/p>\n<p>\u4e0e\u666e\u901a\u51fd\u6570\u91cd\u8f7d\u4e00\u6837\uff0c\u4e5f\u662f\u5bf9\u4e0d\u540c\u7c7b\u578b\u4f7f\u7528\u4e0d\u540c\u903b\u8f91<\/p>\n<p>\u533a\u522b\uff1a<\/p>\n<ul>\n<li>\n<p>\u666e\u901a\u51fd\u6570\u53ea\u80fd\u6309\u67d0\u4e00\u4e2a\u7c7b\u578b\u91cd\u8f7d\uff0c\u800c\u6a21\u677f\u51fd\u6570\u53ef\u4ee5\u6309\u67d0\u4e00\u7c7b\u7c7b\u578b\u91cd\u8f7d\uff08\u6bd4\u5982\u91cd\u8f7d\u4e00\u4e2a\u7ed9\u6307\u9488\u7528\u7684\u7248\u672c\uff09<\/p>\n<\/li>\n<li>\n<p>\u666e\u901a\u51fd\u6570\u91cd\u8f7d\u4e0e\u7c7b\u578b\u4e00\u4e00\u5bf9\u5e94\uff0c\u51fd\u6570\u6a21\u677f\u91cd\u8f7d\u5b58\u5728\u5339\u914d\u4f18\u5148\u7ea7\uff1a<\/p>\n<p><code>\u975e\u6a21\u677f\u91cd\u8f7d &gt; \u6a21\u677f\u91cd\u8f7d &gt; \u6a21\u677f\u975e\u7279\u5316<\/code>\uff0c\u5982\u679c <code>const<\/code> <code>&amp;<\/code> \u4e4b\u7c7b\u4e0d\u5339\u914d\uff0c\u5c31\u964d\u4e00\u7ea7<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<pre><code class=\"language-c++\">template &lt;typename T&gt;\nvoid test(const T&amp; t){\n    std::cout &lt;&lt; &quot;template test(const T&amp; t)&quot; &lt;&lt; std::endl;\n}   \/\/ \u6a21\u677f\u975e\u7279\u5316\n\ntemplate &lt;typename T&gt;\nvoid test(T* t){\n    std::cout &lt;&lt; &quot;template test(T* t)&quot; &lt;&lt; std::endl;\n}   \/\/ \u6a21\u677f\u91cd\u8f7d\n\nvoid test(int t){\n    std::cout &lt;&lt; &quot;test(int t)&quot; &lt;&lt; std::endl;\n}   \/\/ \u975e\u6a21\u677f\u91cd\u8f7d\n\nvoid test(int* t){\n    std::cout &lt;&lt; &quot;test(int* t)&quot; &lt;&lt; std::endl;\n}   \/\/ \u975e\u6a21\u677f\u91cd\u8f7d\n\ntest(100);  \/\/ test(int t)\ntest(ivec); \/\/ template test(const T&amp; t)\nint i = 10;\ntest(&amp;i);   \/\/ test(int* t)\ndouble d = 10;\ntest(&amp;d);   \/\/ template test(T* t)<\/code><\/pre>\n<h5>\u6a21\u677f\u7279\u5316<\/h5>\n<blockquote>\n<p>\u6a21\u677f\u63d0\u4f9b\u7684\uff0c\u652f\u6301<strong>\u540c\u540d<\/strong>\u6a21\u677f\u4f7f\u7528\u4e0d\u540c\u7c7b\u578b\u5217\u8868\u5b9e\u73b0\u53d8\u4f53\u7684\u65b9\u5f0f\uff0c\u4e0e\u91cd\u8f7d\u7684\u533a\u522b\u662f\u58f0\u660e\u5e26\u6709 <code>&lt;\u7279\u5316\u7c7b\u578b&gt;<\/code><\/p>\n<ul>\n<li>\n<p>\u5bf9\u4e8e\u51fd\u6570\uff0c\u91cd\u8f7d\u5b8c\u5168\u591f\u7528\u4e86\uff0c\u800c\u4e14\u518d\u7528\u7279\u5316\u4e5f\u5bb9\u6613\u6df7\u6dc6\u3002\u7c7b\u4e0d\u80fd\u91cd\u8f7d\uff0c\u7279\u5316\u53ef\u4ee5\u8bf4\u662f\u7ed9\u7c7b\u7528\u7684<\/p>\n<\/li>\n<li>\n<p>\u5168\u7279\u5316\uff1a\u786e\u5b9a\u5168\u90e8\u7c7b\u578b\uff0c\u53ea\u5339\u914d\u7c7b\u578b\u4e00\u4e00\u5bf9\u5e94\u7684\u5bf9\u8c61<\/p>\n<\/li>\n<li>\n<p>\u504f\u7279\u5316\uff1a\u5728\u539f\u59cb\u6a21\u677f\u57fa\u7840\u4e0a\u8fdb\u884c\u4e00\u4e9b\u6539\u52a8\uff0c\u7f29\u5c0f\u5339\u914d\u8303\u56f4\uff08\u5982\u786e\u5b9a\u90e8\u5206\u7c7b\u578b\uff0c\u6216\u6539\u4e3a\u5339\u914d\u6307\u9488\uff09<\/p>\n<ul>\n<li>\u7279\u5316\u5982\u679c\u786e\u5b9a\u4e86\u7c7b\u578b\uff0c\u4f1a\u51cf\u5c11\u5f85\u5b9a\u7c7b\u578b\uff0c\u5168\u7279\u5316\u6ca1\u6709\u5f85\u5b9a\u7c7b\u578b\uff0c\u5f00\u5934\u4e3a <code>template&lt;&gt;<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/blockquote>\n<pre><code class=\"language-c++\">template &lt;typename T1, typename T2&gt;\nclass Test{\npublic:\n    Test(){ std::cout &lt;&lt; &quot;\u539f\u59cb\u6a21\u677f&quot; &lt;&lt; std::endl; }\n};\n\ntemplate &lt;typename T1, typename T2&gt;\nclass Test&lt;T1*, T2*&gt;{\npublic:\n    Test(){ std::cout &lt;&lt; &quot;\u6307\u9488\u504f\u7279\u5316&quot; &lt;&lt; std::endl; }\n};\n\ntemplate &lt;typename T1&gt;\nclass Test&lt;T1&amp;, double&gt;{\npublic:\n    Test(){ std::cout &lt;&lt; &quot;\u6df7\u5408\u504f\u7279\u5316&quot; &lt;&lt; std::endl; }\n};\n\ntemplate &lt;typename T2&gt;\nclass Test&lt;int, T2&gt;{\npublic:\n    Test(){ std::cout &lt;&lt; &quot;\u504f\u7279\u5316&quot; &lt;&lt; std::endl; }\n};\n\ntemplate &lt;&gt;\nclass Test&lt;int, double&gt;{\npublic:\n    Test(){ std::cout &lt;&lt; &quot;\u5168\u7279\u5316&quot; &lt;&lt; std::endl; }\n};<\/code><\/pre>\n<blockquote>\n<p>\u56e0\u4e3a\u5bf9\u8c61\u7684\u5b9a\u4e49\u5fc5\u987b\u8981 <code>&lt;\u7c7b\u578b&gt;<\/code>\uff0c\u6240\u4ee5\u4e0d\u7528\u50cf\u51fd\u6570\u90a3\u6837\u53ea\u4f20\u503c\u800c\u6df7\u6dc6\uff0c\u4f18\u5148\u5ea6\u5982\u4e0b\uff1a<\/p>\n<p><code>\u5168\u7279\u5316 &gt; \u786e\u5b9a\u7c7b\u578b\u7684\u504f\u7279\u5316 &gt; \u53ea\u7279\u5316\u4e86\u6307\u9488\u6216\u5f15\u7528\u7684\u504f\u7279\u5316 &gt; \u539f\u59cb\u6a21\u677f<\/code><\/p>\n<ul>\n<li>\u7981\u6b62\u6df7\u6dc6\u5339\u914d\uff0c\u6bd4\u5982\uff1a<\/li>\n<\/ul>\n<\/blockquote>\n<pre><code class=\"language-cpp\">  template <typename T1, typename T2>\n  class Test<T1&, T2>{};\n  template <typename T1, typename T2>\n  class Test<T1, T2*>{};\n\n  Test<int&, int*> test;    \/\/ \u5339\u914d\u5931\u8d25\uff0c\u62a5\u9519<\/code><\/pre>\n<ul>\n<li>\n<p>\u5229\u7528\u7279\u5316\u5339\u914d\u4f18\u5148\u5ea6\uff0c\u5b9e\u73b0\u7684\u6839\u636e\u6307\u9488\u83b7\u53d6\u6307\u5411\u7c7b\u578b\uff08\u539f\u59cb\u6a21\u677f\u53ea\u662f\u63d0\u4f9b\u7279\u5316\u57fa\u7840\uff09\uff1a<\/p>\n<pre><code class=\"language-cpp\">template <typename T>\nclass get_type{\n  using type = T;\n}\ntemplate <typename T>\nclass get_type<T*>{\n  using type = T;\n}\n\ntypename get_type<int*>::type i = 0;  \/\/ int<\/code><\/pre>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6a21\u677f\u5f15\u5165 \u6a21\u677f\u4e0e\u6cdb\u578b\uff0c\u662f\u4e0e \u9762\u5411\u8fc7\u7a0b \u9762\u5411\u5bf9\u8c61 \u5e76\u5217\u7684 C++ \u91cd\u8981\u90e8\u5206\uff0c\u8fdc\u4e0d\u6b62\u662f\u9762\u5411\u5bf9\u8c61\u7684\u5ef6\u4f38 \u4e3b\u8981\u5206\u4e3a\u7c7b\u6a21 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":181,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-180","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/blog.minegician.cn\/index.php?rest_route=\/wp\/v2\/posts\/180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.minegician.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.minegician.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.minegician.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.minegician.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=180"}],"version-history":[{"count":13,"href":"http:\/\/blog.minegician.cn\/index.php?rest_route=\/wp\/v2\/posts\/180\/revisions"}],"predecessor-version":[{"id":202,"href":"http:\/\/blog.minegician.cn\/index.php?rest_route=\/wp\/v2\/posts\/180\/revisions\/202"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/blog.minegician.cn\/index.php?rest_route=\/wp\/v2\/media\/181"}],"wp:attachment":[{"href":"http:\/\/blog.minegician.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.minegician.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=180"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.minegician.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}