{"id":83,"date":"2026-03-23T16:53:59","date_gmt":"2026-03-23T08:53:59","guid":{"rendered":"https:\/\/www.becksai.cn\/?p=83"},"modified":"2026-03-28T16:17:55","modified_gmt":"2026-03-28T08:17:55","slug":"c%e9%80%9a%e4%bf%97%e6%bc%94%e4%b9%89%ef%bc%88%e4%b8%80%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.becksai.cn\/?p=83","title":{"rendered":"C++\u901a\u4fd7\u6f14\u4e49\uff08\u4e00\uff09"},"content":{"rendered":"<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.becksai.cn\/?p=83\/#%E5%86%99%E5%9C%A8%E5%89%8D%E9%9D%A2\" >\u5199\u5728\u524d\u9762<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.becksai.cn\/?p=83\/#i\" >\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.becksai.cn\/?p=83\/#1%E3%80%81C%E8%BF%90%E8%A1%8C%E7%9A%84%E6%B7%B1%E5%B1%82%E5%8E%9F%E7%90%86%EF%BC%8Ccompiler%E5%92%8Clinker\" >1\u3001C++\u8fd0\u884c\u7684\u6df1\u5c42\u539f\u7406\uff0ccompiler\u548clinker<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.becksai.cn\/?p=83\/#i-2\" >\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.becksai.cn\/?p=83\/#2%E3%80%81C%E5%8F%98%E9%87%8F%E4%B8%80%E8%A7%88\" >2\u3001C++\u53d8\u91cf\u4e00\u89c8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.becksai.cn\/?p=83\/#i-3\" >\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.becksai.cn\/?p=83\/#3%E3%80%81%E5%87%BD%E6%95%B0Function\" >3\u3001\u51fd\u6570(Function)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.becksai.cn\/?p=83\/#i-4\" >\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.becksai.cn\/?p=83\/#4%E3%80%81%E5%A4%B4%E6%96%87%E4%BB%B6Header_Files\" >4\u3001\u5934\u6587\u4ef6(Header Files)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.becksai.cn\/?p=83\/#i-5\" >\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.becksai.cn\/?p=83\/#5%E3%80%81%E6%9D%A1%E4%BB%B6%E5%88%A4%E6%96%AD%E8%AF%AD%E5%8F%A5%EF%BC%88Conditions_Branches\" >5\u3001\u6761\u4ef6\u5224\u65ad\u8bed\u53e5\uff08Conditions&amp;Branches)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.becksai.cn\/?p=83\/#i-6\" >\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.becksai.cn\/?p=83\/#6%E3%80%81%E5%BE%AA%E7%8E%AF%EF%BC%88loops%EF%BC%89\" >6\u3001\u5faa\u73af\uff08loops\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.becksai.cn\/?p=83\/#i-7\" >\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.becksai.cn\/?p=83\/#7%E3%80%81%E6%8C%87%E9%92%88%EF%BC%88pointers%EF%BC%89\" >7\u3001\u6307\u9488\uff08pointers\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.becksai.cn\/?p=83\/#i-8\" >\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.becksai.cn\/?p=83\/#8%E3%80%81%E5%BC%95%E7%94%A8%EF%BC%88References%EF%BC%89\" >8\u3001\u5f15\u7528\uff08References\uff09<\/a><\/li><\/ul><\/nav><\/div>\n<h2 style=\"text-align: center\"><span class=\"ez-toc-section\" id=\"%E5%86%99%E5%9C%A8%E5%89%8D%E9%9D%A2\"><\/span>\u5199\u5728\u524d\u9762<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">\u4eba\u751f++<\/h4>\n<p>\u6211\u771f\u7684\u538c\u5026\u4e86<u>\u9762\u5411AI\u7f16\u7a0b<\/u>\u548c\u5b66\u6821<u>\u653f\u6cbb\u6027\u5927\u4e8e\u5b9e\u7528\u6027\u7684\u9879\u76ee<\/u>\u3002\u5b66\u6821\u91cc\u505a\u7684\u9879\u76ee\u5927\u591a\u662f\u5e26\u6709\u7406\u60f3\u4e3b\u4e49\u8272\u5f69\u9017\u5c0f\u5b69\u73a9\u7684\u4e1c\u897f\uff0c<u>\u51e0\u4e4e\u65e0\u6cd5\u88ab\u5e02\u573a\u8ba4\u53ef\u4e5f\u7edd\u65e0\u53ef\u63a8\u5e7f\u6027<\/u>\u3002<\/p>\n<p>\u9ec4\u4ec1\u52cb\u8001\u8bf4\u672a\u6765\u7684\u7f16\u7a0b\u8bed\u8a00\u662f\u82f1\u8bed\uff0c\u7136\u800c\u5c31\u6211\u8eab\u8fb9\u4eba\u7684\u667a\u5546\u6765\u8bf4\u5168\u6c11\u7f16\u7a0b\u7684\u65f6\u4ee3\u8fdc\u672a\u5230\u6765\uff0c\u5c31\u7b97\u5230\u6765\u4e86\uff0c<u>\u4e5f\u603b\u6709\u4eba\u8981\u505a\u5e95\u5c42\u7684\u4e1c\u897f<\/u>\u3002\u4e0d\u7ba1\u600e\u4e48\u8bb2\uff0c\u6211\u60f3\u4f7f\u7528\u771f\u6b63\u7684<strong>human brains coding<\/strong>\u53bb\u5f00\u53d1\u81f3\u5c11\u662f\u4e89\u53d6\u8ba9\u5e02\u573a\u8ba4\u53ef\u7684\u7a0b\u5e8f\uff0c\u6216\u8005only to satisfy myself<\/p>\n<p>\u53e6\u5916\u6211\u66f4\u591a\u7684\u5e0c\u671b\u7f16\u7a0b\u662f\u7528\u4e8e<u>\u5f00\u53d1<\/u>\u800c\u975e\u53ea\u662f<u>\u505a\u9898<\/u>\u3002<\/p>\n<p>\u6211\u5199\u8fd9\u4e2a\u535a\u5ba2\u53ea\u662f\u4e3a\u4e86\u8bb0\u5b66\u4e60cherno\u7684c++\u6559\u7a0b\u7684\u7b14\u8bb0\uff0c\u65b9\u4fbf\u4ee5\u540e\u590d\u4e60\u3002\u8bf4\u4e0d\u5b9a\u4f1a\u6709\u522b\u7684\u7528\uff0c\u6bd4\u5982\u6559\u6211\u7684\u5b66\u5f1f\uff0c\u5802\u59b9\u6216\u8005\u4eb2\u59b9\u59b9\u7f16\u7a0b\uff08\u540e\u8005\u6982\u7387\u6bd4\u8f83\u5c0f\uff09<\/p>\n<p>\u4f60\u53ef\u4ee5\u5728\u6cb9\u7ba1\u4e0a\u5173\u6ce8\u4ed6\u7684\u9891\u9053<a href=\"https:\/\/www.youtube.com\/@TheCherno\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\" >TheCherno<\/a>\u6216\u8005\u770b\u5899\u5185\u7684\u6c49\u5316\u7248<a href=\"https:\/\/www.bilibili.com\/video\/BV1qh411p7Sa\/\" target=\"_blank\"  rel=\"nofollow\" >C++ \u6559\u7a0b - \u6cb9\u7ba1\u5927\u4f6cThe Cherno C++ \u6559\u7a0b_\u54d4\u54e9\u54d4\u54e9_bilibili<\/a><\/p>\n<p>\u4ee5\u4e0a<\/p>\n<h2><span class=\"ez-toc-section\" id=\"i\"><\/span>\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center\"><span class=\"ez-toc-section\" id=\"1%E3%80%81C%E8%BF%90%E8%A1%8C%E7%9A%84%E6%B7%B1%E5%B1%82%E5%8E%9F%E7%90%86%EF%BC%8Ccompiler%E5%92%8Clinker\"><\/span>1\u3001C++\u8fd0\u884c\u7684\u6df1\u5c42\u539f\u7406\uff0ccompiler\u548clinker<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u00a0<\/p>\n<p>\u8fd9\u4e00part\u5bf9\u4f60\u7f16\u7a0b<u>\u5e76\u6ca1\u6709\u4ec0\u4e48\u7528<\/u>\uff0c\u5bf9\u4f60\u505a\u9898\u8003\u8bd5\u4e5f\u6ca1\u6709\u4ec0\u4e48\u5e2e\u52a9\uff0c\u4f46\u662f\u6211\u89c9\u5f97\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u53ef\u4ee5<u>\u589e\u52a0\u4f60\u7684\u5b66\u4e60\u70ed\u60c5<\/u>\uff0c\u662f\u6709\u597d\u5904\u7684\u3002<\/p>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">1.1\u3001Compiler\u7f16\u8bd1\u5668<\/h4>\n<p><strong>\u7f16\u8bd1\u5668\u7684\u5de5\u4f5c\u6b65\u9aa4\u5206\u4e3a\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u9884\u5904\u7406<\/strong>(preprocess)\uff0c\u4e5f\u5c31\u662f\u5904\u7406\u5e26#\u7684header<\/li>\n<li>\u628aC++\u4ee3\u7801\u7ffb\u8bd1\u6210<strong>\u6c47\u7f16\u8bed\u8a00<\/strong>\uff08\u8ba1\u7b97\u673a\u79d1\u5b66\u4e13\u4e1a\u53ef\u80fd\u8981\u5b66\u8fd9\u4e2a\uff09\uff0c\u4e5f\u5c31\u662f.obj\u6587\u4ef6\u3002<\/li>\n<li>\u628a<strong>\u6c47\u7f16\u8bed\u8a00<\/strong>\u7ffb\u8bd1\u6210<strong>\u673a\u5668\u7801<\/strong>\uff0801\uff09\u7ed9CPU\u6267\u884c<\/li>\n<\/ul>\n<p><strong>\u7f16\u8bd1\u5668\u7684\u539f\u7406\u548c\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<p>\u5b9e\u9645\u4e0a\uff0c#include\u7684\u539f\u7406<u>\u975e\u5e38\u7b80\u5355<\/u>\uff1a\u5c31\u662f\u5355\u7eaf\u7684copy&amp;paste\u3002\u4ee5\u6211\u4eec\u5e38\u7528\u7684<code>#include&lt;iostream&gt;<\/code>\u4e3a\u4f8b\uff0c\u8fd9\u6bb5\u4ee3\u7801\u5b9e\u9645\u4e0acopy paste\u4e86\u5927\u91cf\u539f\u751f\u81ea\u5e26\u7684\u53d8\u91cf\u548c\u4ee3\u7801\u7b49\u7b49\uff0c\u5b9e\u9645\u4e0a\uff0c\u4f60\u7684#include\u53ef\u4ee5copy&amp;paste\u4efb\u4f55\u4e1c\u897f\uff0c\u7c7b\uff0c\u53d8\u91cf\uff0c\u51fd\u6570\uff0c\u5355\u7eaf\u7684\u6587\u5b57\uff0c\u751a\u81f3\u6807\u70b9\u7b26\u53f7\u7b49\u7b49\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u6ce8\u610f\u5230\u5e26\u4e86#include\u7684cpp\u6587\u4ef6\u6bd4\u4e0d\u5e26\u7684cpp\u6587\u4ef6\u5927\u4e86\u5f88\u591a\u5f88\u591a\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u8ba9\u9884\u5904\u7406\u5668\u751f\u6210\u9884\u5904\u7406\u6587\u4ef6\u6765\u67e5\u770b\u8fd9\u4e2a\u8fc7\u7a0b<\/p>\n<p><img decoding=\"async\" src=\"Users28187AppDataRoamingmarktextimages2026-03-14-00-54-24-image.png\" alt=\"\"><\/p>\n<p><strong>\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5927\u91cf\u7684\u524d\u7f6e\u4ee3\u7801<\/strong><\/p>\n<p>\u7f16\u8bd1\u5668\u662f\u4e00\u6839\u7b4b\u7684\u4eba\uff0c\u4ed6\u7684\u6267\u6cd5\u8303\u56f4\u53ea\u5728<mark>\u5f53\u524d\u6587\u4ef6<\/mark>\uff0c<strong>\u4ed6\u53ea\u5173\u5fc3\u5f53\u524d\u6587\u4ef6\u6709\u6ca1\u6709\u7f16\u8bd1\u9519\u8bef<\/strong>\u3002<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<pre><code class=\"language-cpp\">int main()\n{\n Sum(0,1);\n}<\/code><\/pre>\n<p>\u663e\u7136\uff0c<strong>\u6211\u4eec\u5e76\u672a\u58f0\u660e\u51fd\u6570Sum<\/strong>\uff0c\u56e0\u6b64\u6211\u4eec\u53d1\u751f\u4e86<span style=\"color: red\">\u7f16\u8bd1\u5668\u9519\u8bef<\/span>\uff1a<\/p>\n<blockquote>\n<p>error C3861: \u201cSum\u201d: \u627e\u4e0d\u5230\u6807\u8bc6\u7b26<\/p>\n<\/blockquote>\n<p>\u7136\u800c\u5982\u679c\u6211\u4eec\u53bb<u>\u58f0\u660e<\/u>\u8fd9\u4e2a\u51fd\u6570<mark>\uff08\u5e76\u6ca1\u6709\u5b9a\u4e49\u5b83\uff09<\/mark>\uff0c\u5e76\u4e14\u521b\u5efa\u4e2a\u7a7a\u7684Sum.h\u8ba9\u5b83\u770b\u8d77\u6765\u66f4\u771f\u4e00\u70b9\u3002<\/p>\n<pre><code class=\"language-cpp\">#include &quot;Sum.h&quot;\nint main()\n{\nvoid Sum(int a,int b);\nSum(0,1);\n\n}<\/code><\/pre>\n<p>\u7136\u540e\u6309Ctrl+F7\u7f16\u8bd1\uff0c\u53ef\u4ee5\u53d1\u73b0<u>\u7f16\u8bd1\u662f\u6210\u529f\u7684<\/u>\uff0c\u5e76\u6ca1\u6709\u62a5\u9519\u3002<\/p>\n<p>\u6211\u4eec\u4e0d\u96be\u53d1\u73b0\uff1a<mark>\u7f16\u8bd1\u5668\u53ea\u7ba1\u58f0\u660e\u4e0d\u7ba1\u5b9e\u73b0\uff0c\u4ec5\u68c0\u67e5\u5f53\u524d\u5355\u4e2a\u6587\u672c\uff0c\u5982\u679c\u901a\u8fc7\u5ba1\u67e5\uff0c\u5c31\u4e0d\u62a5\u9519\u3002\u6362\u4e00\u53e5\u8bdd\u8bf4\uff0c\u6211\u4eec\u8bf4\u670d\u7f16\u8bd1\u5668\u76f8\u4fe1\u4e86\u6709\u4e00\u4e2a\u53ebSum\u7684\u51fd\u6570\u5b58\u5728\uff0c\u5373\u4f7f\u6211\u4eec\u6b3a\u9a97\u4e86\u5b83\uff0c\u4f46\u662f\u5b83\u5c31\u662f\u76f8\u4fe1\u4e86\u3002<\/mark><\/p>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">1.2\u3001\u94fe\u63a5\u5668Linker<\/h4>\n<p>\u5728C++\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u8bb2\u5f88\u591a\u51fd\u6570\u548c\u4ee3\u7801\u5b9e\u73b0\u5206\u5f00\u6765\u5199\uff0c\u4ea7\u751f\u590d\u6570\u4e2a\u6587\u4ef6\u3002\u5b9e\u9645\u4e0a\uff0c\u8fd9\u4e9b\u6587\u4ef6\u5728\u88ab\u7f16\u8bd1\u4ee5\u540e\u662f<u>\u6ca1\u529e\u6cd5\u81ea\u5df1\u4ea4\u6d41<\/u>\u7684\uff0c\u8fd9\u4e2a\u65f6\u5019\u5c31\u8981\u4f9d\u9760\u94fe\u63a5\u5668\u6765\u94fe\u63a5\u3002<\/p>\n<p>\u5728\u4e0a\u4e00\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u56e0\u4e3a\u4ee3\u7801\u5408\u4e4e\u8bed\u6cd5\uff0c\u6240\u4ee5\u7f16\u8bd1\u5668\u4e88\u4ee5\u901a\u8fc7\u3002\u4f46\u662f\u94fe\u63a5\u5668\u65e0\u6cd5\u627e\u5230\u51fd\u6570Sum\uff0c\u56e0\u6b64\u4f1a\u53d1\u751f<span style=\"color: blue\">\u94fe\u63a5\u5668\u9519\u8bef<\/span>\uff1a<\/p>\n<blockquote>\n<p>error LNK2019: \u65e0\u6cd5\u89e3\u6790\u7684\u5916\u90e8\u7b26\u53f7<\/p>\n<\/blockquote>\n<p>\u6240\u4ee5\u867d\u7136\u7f16\u8bd1\u5668\u76f8\u4fe1\u4e86\u6709\u51fd\u6570Sum\u5b58\u5728\uff0c\u4f46\u662f\u5b9e\u6253\u5b9e\u7684\u627e\u5230\u8fd9\u4e2a\u51fd\u6570\u662f\u94fe\u63a5\u5668\u7684\u5de5\u4f5c\u3002<\/p>\n<p><u>\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u5bf9C++\u7684\u8fd0\u884c\u539f\u7406\u6709\u4e86\u57fa\u672c\u7684\u4e86\u89e3\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u5728\u540e\u9762\u6b63\u5f0f\u5b66\u4e60\u4ee3\u7801\u7684\u65f6\u5019\u518d\u78b0\u5230\u4ed6\u4eec\u3002<\/u><\/p>\n<h2><span class=\"ez-toc-section\" id=\"i-2\"><\/span>\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center\"><span class=\"ez-toc-section\" id=\"2%E3%80%81C%E5%8F%98%E9%87%8F%E4%B8%80%E8%A7%88\"><\/span>2\u3001C++\u53d8\u91cf\u4e00\u89c8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">2.1\u3001\u53d8\u91cf\u7684\u672c\u8d28\u662f\u4ec0\u4e48<\/h4>\n<p><mark>\u5b9e\u9645\u4e0a\uff0c\u4e0d\u540c\u53d8\u91cf\u4e4b\u95f4\u7684\u533a\u522b\u53ea\u6709\u5176\u5360\u7528\u5185\u5b58\u7684\u5927\u5c0f\u3002<\/mark><\/p>\n<p>\u6211\u4eec\u7b80\u5355\u8c08\u8c08<span style=\"color: red\">\u5927<\/span>\n<span style=\"color: blue\">\u5c0f<\/span>\uff0c\u5728\u8ba1\u7b97\u673a\u4e2d\uff0c\u6700\u57fa\u7840\u7684\u5927\u5c0f\u5355\u4f4d\u662f<strong>\u6bd4\u7279\uff08bits\uff09<\/strong>\uff0c\u4e00\u4e2a\u6bd4\u7279\u53ea\u6709\u53ef\u80fd\u5305\u542b<u>0\u6216\u80051<\/u>\u3002<\/p>\n<p>\u7136\u800c\u6211\u4eec\u6700\u5e38\u7528\u7684\u5927\u5c0f\u5355\u4f4d\u662f<strong>\u5b57\u8282\uff08bytes\uff09<\/strong>\uff0c<mark>\u4e00\u5b57\u8282\u5305\u542b8\u6bd4\u7279<\/mark>\u3002\u6211\u4eec\u901a\u5e38\u770b\u5230\u6bd4\u5982\u67d0\u4e2a\u6587\u4ef6\u67091kb\u5927\u5c0f\uff0c\u8fd9\u4e2ab\u5c31\u662f\u6307\u5b57\u8282\uff0c<u>1kb\u4e5f\u5c31\u662f\u4e00\u5343\uff08\u5b9e\u9645\u4e0a\u662f1024\uff09\u5b57\u8282\u5927\u5c0f\u3002<\/u><\/p>\n<p><strong>\u8ba9\u6211\u4eec\u6765\u7814\u7a76\u4e00\u4e0b\u5927\u5c0f\uff1a<\/strong><\/p>\n<p>\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u6574\u578b\u53d8\u91cf<em>int a<\/em><\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\uff0c\u4e00\u4e2a\u6574\u6570\u5360\u7528\u7684<strong>\u5185\u5b58<\/strong>(memory)\u5927\u5c0f\u662f4\u5b57\u8282\uff08bytes\uff09\u3002\u7531\u6b64\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u5f97\u51fa\u6574\u6570\u53d6\u503c\u7684\u8303\u56f4\u5927\u5c0f\u3002<\/p>\n<p>\u5df2\u77e5\uff0c\u5355\u4e2a\u6574\u6570\u53ef\u5360\u7528\u5185\u5b58\u5927\u5c0f\u662f4*8=32bits\u3002\u5176\u4e2d\uff0c\u6709\u4e00\u4e2abit\uff080\/1\uff09\u8981\u88ab\u62ff\u6765\u8868\u793a\u7b26\u53f7\uff08+\/-\uff09\u56e0\u6b64\u6211\u4eec\u8fd8\u5269\u4e0b31bits\u6765\u8868\u793a\u6570\u503c\u3002<\/p>\n<p>\u800c2\u768431\u6b21\u65b9\u5927\u6982\u5c31\u662f20\u4ebf<img decoding=\"async\" src=\"Users28187AppDataRoamingmarktextimages2026-03-14-01-52-06-image.png\" alt=\"\"><\/p>\n<p>\u8fd9\u4e2a\u6570\u503c\u3002<\/p>\n<p>\u7136\u800c\uff0c\u6211\u4eec\u8fd8\u6709\u4e00\u4e2a\u6ca1\u6709\u6b63\u8d1f\u53f7\u7684\u96f6\uff0c<u>\u6240\u4ee5\u5b9e\u9645\u4e0a\u8981\u51cf\u53bb1<\/u>\u3002<\/p>\n<p>\u5f53\u7136\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728\u53d8\u91cf\u524d\u52a0<em>unsigned<\/em>\u4fee\u9970\u8bf4\u660e\u5b83\u662f\u65e0\u53f7\u7684\uff0c\u6765\u8ba9\u4ed6\u7684\u8303\u56f4\u53d8\u5f97\u66f4\u591a\u3002<\/p>\n<p><strong>\u6240\u4ee5\u4e0d\u540c\u7684\u53d8\u91cfshort,long,double\u7b49\u7b49\u672c\u8d28\u4e0a\u53ea\u6709\u5176\u5360\u7528\u5185\u5b58\u5927\u5c0f\u7684\u533a\u522b\u3002<\/strong><\/p>\n<h4>\u00a0<\/h4>\n<h4>2.2\u3001\u7279\u6b8a\u53d8\u91cf<\/h4>\n<p><strong>\u5173\u4e8echar\uff1a<\/strong><\/p>\n<p>char\u662f<strong>\u5b57\u7b26\u53d8\u91cf<\/strong>\uff0c\u7136\u800c\u5176\u672c\u8d28\u4e5f\u662f\u4e00\u4e2a<strong>\u6574\u6570<\/strong>\u3002\u53ea\u662f<u>\u67d0\u4e2a\u5b57\u6bcd<\/u>\u7ed1\u5b9a\u4e86\u8fd9\u4e2a<u>\u6574\u6570<\/u>\u3002<\/p>\n<pre><code class=\"language-cpp\">#include&lt;iostream&gt;\n\nint main()\n{\n    char a = &#039;A&#039;;#notice here\n    std::cout &lt;&lt; a &lt;&lt; std::endl;\n    std::cin.get();\n}<\/code><\/pre>\n<p>\u8f93\u51faA<\/p>\n<pre><code class=\"language-cpp\">#include&lt;iostream&gt;\n\nint main()\n{\n    char a = 65;\n    std::cout &lt;&lt; a &lt;&lt; std::endl;\n    std::cin.get();\n}<\/code><\/pre>\n<p><mark>\u540c\u6837\u8f93\u51faA<\/mark><\/p>\n<p>\u8fd9\u6b63\u662f\u56e0\u4e3a\uff1a<strong>65\u5c31\u662f\u201dA\u201c\u7ed1\u5b9a\u7684\u6574\u6570\u3002<\/strong><\/p>\n<p>\u540c\u7406\uff0c\u4ee5\u4e0b\u4e24\u79cd\u60c5\u51b5\u90fd\u751f\u621065<\/p>\n<pre><code class=\"language-cpp\">#include&lt;iostream&gt;\n\nint main()\n{\n    int a = 65;\n    std::cout &lt;&lt; a &lt;&lt; std::endl;\n    std::cin.get();\n}<\/code><\/pre>\n<pre><code class=\"language-cpp\">#include&lt;iostream&gt;\n\nint main()\n{\n    int a = &#039;A&#039;;\n    std::cout &lt;&lt; a &lt;&lt; std::endl;\n    std::cin.get();\n}<\/code><\/pre>\n<p><strong>\u5173\u4e8ebool\uff1a<\/strong><\/p>\n<p>\u53e6\u4e00\u4e2a\u6bd4\u8f83\u7279\u6b8a\u7684bool\u7c7b\u578b\uff0c<strong>\u5b83\u53ea\u6709<span style=\"color: green\">True<\/span>\/<span style=\"color: red\">False<\/span>\u4e24\u79cd\u60c5\u51b5\uff081\/0\uff09\u3002<\/strong><\/p>\n<p>\u7136\u800c\uff0c\u5b83\u4e0d\u80fd\u53ea\u5360\u7528\u4e00\u4e2a<strong>bit<\/strong>\uff0c\u4ed6\u81f3\u5c11\u8981\u5360\u7528\u4e00\u4e2a<strong>byte<\/strong>\u3002<u>\u4f46\u662f\u53ef\u4ee5\u7528\u4e00\u4e2abyte\u5b58\u50a88\u4e2abool\u7c7b\u578b\u3002<\/u><\/p>\n<h2><span class=\"ez-toc-section\" id=\"i-3\"><\/span>\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center\"><span class=\"ez-toc-section\" id=\"3%E3%80%81%E5%87%BD%E6%95%B0Function\"><\/span>3\u3001\u51fd\u6570(Function)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">3.1\u3001\u521d\u8bc6\u51fd\u6570<\/h4>\n<p>\u7b80\u5355\u6765\u8bf4\uff0c\u51fd\u6570\u5c31\u662f\u4f60\u7ed9\u5b83\u4f20\u5165\u67d0\u4e9b\u503c\u7136\u540e\u5b83\u8f93\u51fa\u67d0\u4e2a\u503c\u3002\u5f53\u6211\u4eec<strong>\u91cd\u590d\u591a\u6b21<\/strong>\u6267\u884c\u67d0\u4e2a\u64cd\u4f5c\u7684\u65f6\u5019\uff0c\u6211\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570\u6765<u>\u63d0\u9ad8\u6548\u7387\u964d\u4f4e\u9519\u8bef\u7387<\/u>\u3002<\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-cpp\">int Multiply(int a,int b)\/\/\u8fd9\u4e00\u6bb5\u53eb\u51fd\u6570\u7b7e\u540d\n{\n    int result = a*b;\n    return result;\n}<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u51fd\u6570\u91cc\uff0c\u6211\u4eec\u4f20\u5165\u6574\u6570a\uff0cb\u5e76\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\u7ed3\u679c(int)\u3002<\/p>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">3.2\u3001\u4e3a\u4ec0\u4e48main\u51fd\u6570\u6ca1\u6709\u8fd4\u56de\u503c<\/h4>\n<p>\u6bd4\u8f83\u7279\u6b8a\u7684\u51fd\u6570\u662f<strong>main\u51fd\u6570<\/strong>\u3002main\u51fd\u6570<u>\u5e76\u4e0d\u9700\u8981\u8fd4\u56de\u503c<\/u>\uff0c\u867d\u7136\u5b83\u7684\u7b7e\u540d\u662f<code>int main()<\/code>\u3002\u5b9e\u9645\u662f\uff0cmain\u6709<u>\u9ed8\u8ba4\u7684\u8fd4\u56de\u503c<\/u>\u4e5f\u5c31\u662f<strong>0<\/strong>\uff0c\u4f60\u4e5f\u53ef\u4ee5\u81ea\u5df1\u5199\u4e00\u4e2a<code>return 0;<\/code>\u4e0d\u8fc7\u6ca1\u6709\u4efb\u4f55\u5fc5\u8981\u3002<u>main\u5b58\u5728\u7684\u610f\u4e49\u53ea\u662f\u7ed9\u7f16\u8bd1\u5668\u4e00\u4e2a\u7f16\u8bd1\u7684\u5165\u53e3\u800c\u5df2\u3002<\/u><\/p>\n<p>\u9664\u6b64\u7279\u6b8a\u60c5\u51b5\uff0c<mark>\u4f60\u4e0d\u5e94\u8be5\u5728\u4efb\u4f55\u5ba3\u79f0\u51fd\u6570\u6709\u8fd4\u56de\u503c\u7684\u60c5\u51b5\u4e0b\u4e0d\u8fd4\u56de\u4efb\u4f55\u4e1c\u897f\u3002<\/mark><\/p>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">3.3\u3001\u51fd\u6570\u7684\u8fd0\u884c\u903b\u8f91\u548c\u6ce8\u610f\u4e8b\u9879<\/h4>\n<p>\u8bf7\u8bb0\u4f4f\uff0c<mark>\u51fd\u6570\u8981\u5148<strong>\u58f0\u660e<\/strong>\u518d<strong>\u8c03\u7528<\/strong>\u3002<\/mark>\u5982\u679c\u4f60\u770b\u8fc7\u70ed\u8840\u9752\u5e74\u6f2b\uff0c\u4f60\u4f1a\u53d1\u73b0\u4e00\u822c\u4ed6\u4eec\u4f7f\u7528\u6280\u80fd\u4e4b\u524d\u4f1a\u628a\u6280\u80fd\u540d\u558a\u51fa\u6765\u3002\u539f\u7406\u662f\u7c7b\u4f3c\u7684\u3002<\/p>\n<p>\u51fd\u6570\u7684<strong>\u5b9a\u4e49<\/strong>\u662f\u544a\u8bc9\u7f16\u8bd1\u5668\u51fd\u6570\u5230\u5e95\u5728<strong>\u5e72\u4ec0\u4e48<\/strong>\uff0c<u>\u5b83\u53ef\u4ee5\u5728\u4efb\u4f55\u5730\u65b9<\/u>\uff0c\u4f46\u662f\u5f53\u4f60\u5728\u8c03\u7528\u524d\u5b9a\u4e49\u8fd9\u4e2a\u51fd\u6570\u65f6\uff0c\u53ef\u4ee5\u4e0d\u7528\u58f0\u660e\u5b83\u3002\u58f0\u660e\u662f\u544a\u8bc9\u7f16\u8bd1\u5668\u8fd9\u4e2a\u51fd\u6570<strong>\u5b58\u5728<\/strong>\uff0c<u>\u5b83\u5fc5\u987b\u8981\u5728\u8c03\u7528\u524d<\/u>\u3002\u8c03\u7528\u5219\u662f\u6211\u4eec\u6b63\u5f0f\u4f20\u53c2\u4f7f\u7528\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"i-4\"><\/span>\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center\"><span class=\"ez-toc-section\" id=\"4%E3%80%81%E5%A4%B4%E6%96%87%E4%BB%B6Header_Files\"><\/span>4\u3001\u5934\u6587\u4ef6(Header Files)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">4.1\u3001\u4e3a\u4ec0\u4e48\u9700\u8981\u5934\u6587\u4ef6<\/h4>\n<p>\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\uff0c<u>\u51fd\u6570\u8981\u5148\u58f0\u660e\u518d\u8c03\u7528<\/u>\u3002\u4e5f\u5c31\u662f\u8bf4\u6bcf\u6b21\u5f53\u6211\u9700\u8981\u8c03\u7528\u67d0\u4e2a\u51fd\u6570\u524d\u6211\u90fd\u9700\u8981<u>\u8fdb\u884c\u58f0\u660e<\/u>\u3002<\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u5728\u67d0\u4e2a\u6587\u4ef6Log.cpp\u4e2d\u5b58\u5728\u4e00\u4e2a\u51fd\u6570Log\uff1a<\/p>\n<pre><code class=\"language-cpp\">\/\/File Log.cpp\n#include&lt;iostream&gt;\n\nvoid Log(const char* message)\/\/\u8fd9\u4e00\u6bb5\u5c31\u53eb\u51fd\u6570\u7b7e\u540d\n{\n    std::cout&lt;&lt;message&lt;&lt;std::endl;\n}<\/code><\/pre>\n<p>\u800c\u6211\u4eec\u5728<u>\u53e6\u4e00\u4e2a\u6587\u4ef6Main.cpp<\/u>\u4e2d\u9700\u8981\u8c03\u7528\u5b83\uff0c\u90a3\u6211\u4eec\u9700\u8981\u5148\u58f0\u660e\uff0c\u4e5f\u5c31\u662f<u>copy&amp;paste\u4ed6\u7684\u51fd\u6570\u7b7e\u540d<\/u>\u3002<\/p>\n<pre><code class=\"language-cpp\">\/\/File Main.cpp\nvoid Log(const char* message);\/\/paste\u6211\u4eec\u7684\u51fd\u6570\u58f0\u660e\n\nvoid InitLog()\n{\n    Log(&quot;Initializing Log&quot;);\n}<\/code><\/pre>\n<p><u>\u4f46\u662f\u5982\u679c\u6211\u4eec\u6709\u5f88\u591a\u4e2a\u9879\u76ee\u6587\u4ef6\u9700\u8981\u7528\u5230\u8fd9\u4e2aLog\u51fd\u6570\uff0c\u90a3\u4e48\u7528<strong>\u5934\u6587\u4ef6<\/strong>(header files)\u53ef\u4ee5\u4f7f\u6574\u4e2a\u8fc7\u7a0b\u7b80\u5355\u4e00\u70b9\u3002<\/u><\/p>\n<p>\u6211\u4eec\u524d\u9762\u4ecb\u7ecd\u8fc7#include\u5934\u6587\u4ef6\u7684\u539f\u7406\u5b9e\u9645\u4e0a\u5c31\u662fcopy&amp;paste\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5934\u6587\u4ef6\u6765\u5b58\u653e\u6211\u4eec\u7684\u58f0\u660e\u65b9\u4fbf\u7ba1\u7406\uff1a<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u5934\u6587\u4ef6log.h\u6765\u5b58\u653e\u6211\u4eec\u7684\u58f0\u660e\u3002<\/p>\n<pre><code class=\"language-cpp\">\/\/File log.h\n#pragma once\n\nvoid Log(const char* message);<\/code><\/pre>\n<p>\u4e8e\u662f\u6211\u4eec\u53ef\u4ee5\u628aMain.cpp\u6539\u6210\u8fd9\u6837\uff1a<\/p>\n<pre><code class=\"language-cpp\">\/\/File Main.cpp\n#include &quot;log.h&quot;\/\/#include\u6211\u4eec\u7684\u5934\u6587\u4ef6\n\nvoid InitLog()\n{\n    Log(&quot;Initializing Log&quot;);\n}<\/code><\/pre>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">4.2\u3001\u5934\u6587\u4ef6\u4fdd\u62a4<\/h4>\n<p><code>#pragma once<\/code>\u662f\u5e72\u4ec0\u4e48\u7684\u5462\uff1a<\/p>\n<p>\u5b83\u4f1a\u9632\u6b62\u6211\u4eec<u>\u591a\u6b21<\/u>#include\u540c\u4e00\u4e2a\u4e1c\u897f\u3002<\/p>\n<p>\u6bd4\u5982\u4f60\u5728\u8fd9\u4e2a\u5934\u6587\u4ef6\u4e2d\u5b9a\u4e49\u4e86\u67d0\u4e2a\u51fd\u6570\u6216\u8005\u7c7b\u7136\u540e<u>\u591a\u6b21<\/u>\u5c06\u5b83#include\u8fdb\u4e0d\u540c\u7684\u6587\u4ef6\u5c31\u4f1a\u53d1\u751f<strong>\u91cd\u5b9a\u4e49<\/strong>\u7684\u9519\u8bef\u3002<\/p>\n<p>\u6bd4\u5982\u4f60\u4e0d\u5c0f\u5fc3<u>\u5d4c\u5957<\/u>#include\u4e86\u8fd9\u4e2a\u6587\u4ef6\u4e5f\u53ef\u80fd\u53d1\u751f\u7c7b\u4f3c\u7684\u9519\u8bef\u3002<\/p>\n<p>\u5176\u5b9e\u6211\u4eec\u8fd8\u6709\u53e6\u5916\u4e00\u79cd<u>\u8fc7\u65f6<\/u>\u7684\u5199\u6cd5\u53ef\u4ee5<strong>\u5b9e\u73b0\u5b8c\u5168\u76f8\u540c\u8fc7\u7684\u6548\u679c<\/strong>\uff0c\u4e5f\u662f<span style=\"color: orange\">\u534e\u5de5\u56fd\u9645\u6821\u533a<\/span>\u9ad8\u7a0b\u8bfe\u672c\u4e0a\u7684\u5199\u6cd5\u3002\u867d\u7136\u8fd9\u79cd\u5199\u6cd5\u5df2\u7ecf\u8fc7\u65f6\u4e86\uff0c\u53c8\u957f\u53c8\u6ca1\u6709\u610f\u4e49\uff0c\u4f46\u662f\u9274\u4e8e<span style=\"color: red\">\u4e2d\u56fd<\/span>\u7684\u6559\u80b2\u5c31\u662f\u559c\u6b22\u6559\u7ed9\u4f60\u5df2\u7ecf\u6b7b\u4e86\u7684\u4e1c\u897f\uff0c\u6240\u4ee5\u6211\u4eec\u8fd8\u662f\u7b80\u5355\u4ecb\u7ecd\u4e00\u4e0b\uff1a<\/p>\n<pre><code class=\"language-cpp\">\/\/File log.h\n#ifndef LOG_H\n#define LOG_H\n\nvoid Log(const char* message);\n#endif<\/code><\/pre>\n<p>\u4e8c\u8005<u>\u6ca1\u6709\u4efb\u4f55\u533a\u522b<\/u>\uff0c\u547d\u540d\u89c4\u5219\u4e0a\u5b8f\u540d\u5927\u6982\u662f\u5168\u5927\u5199\u548c\u62ff\u201c_\u201c\u4ee3\u66ff\u201d.\u201c<\/p>\n<p><strong>\u5f53\u524d\u5e02\u9762\u4e0a\u7edd\u5927\u591a\u6570\u7f16\u8bd1\u5668\u90fd\u652f\u6301\u7b2c\u4e00\u79cd\u5199\u6cd5<\/strong><\/p>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">4.3\u3001Why <\/h4>\n<p>\u4e3a\u4ec0\u4e48<code>#include&lt;iostream&gt;<\/code><\/p>\n<p>\u7b80\u5355\u6765\u8bf4\uff0ciostream\u662fc++\u539f\u751f\u5e93\uff0c\u6240\u4ee5<u>\u6ca1\u6709\u540e\u7f00\u540d<\/u>\u3002\u5b9e\u9645\u4e0a\u4f60\u4e5f\u53ef\u4ee5\u5199<code>#include &quot;iostream&quot;<\/code><\/p>\n<h2><span class=\"ez-toc-section\" id=\"i-5\"><\/span>\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center\"><span class=\"ez-toc-section\" id=\"5%E3%80%81%E6%9D%A1%E4%BB%B6%E5%88%A4%E6%96%AD%E8%AF%AD%E5%8F%A5%EF%BC%88Conditions_Branches\"><\/span>5\u3001\u6761\u4ef6\u5224\u65ad\u8bed\u53e5\uff08Conditions&amp;Branches)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6211\u4eec\u8fd9\u51e0\u8db4\u7b80\u5355\u4e00\u70b9\u56e0\u4e3a\u4f60\u5982\u679c\u5b66\u8fc7\u5176\u4ed6\u8bed\u8a00\u751a\u81f3\u5c0f\u5b66\u5b66\u8fc7scratch\u4f60\u4f1a\u53d1\u73b0\u4ed6\u4eec\u5176\u5b9e\u90fd\u5dee\u4e0d\u591a\u6ca1\u4ec0\u4e48\u96be\u7406\u89e3\u7684\u3002<\/p>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">5.1\u3001\u6761\u4ef6\u5224\u65ad\u539f\u7406<\/h4>\n<p>\u6761\u4ef6\u5224\u65ad\u7684\u672c\u8d28\u65e0\u975e\u662f\u5728<strong>if<\/strong>\u5224\u65ad\u4e3a\u662f\u65f6<u>\u8df3\u8dc3<\/u>\u5230\u4ee3\u7801<u>\u5206\u652f\u7ed3\u6784<\/u>\u7684<u>\u67d0\u5757\u5185\u5b58<\/u>\u4ece\u90a3\u5f00\u59cb\u6267\u884c\u3002\u5f53\u7136\u5176\u5b9e\u5b83\u633a\u5360\u6027\u80fd\u7684\uff0c\u4f60\u6162\u6162\u4f1a\u5bf9\u6027\u80fd\u5360\u7528\u5f62\u6210\u611f\u89c9\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u6761\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-cpp\">int x=5;\n\nbool ComparisonResult = x == 5;<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c==\u8fd0\u7b97\u7b26\u5b9e\u9645\u4e0a\u8c03\u7528\u4e86\u67d0\u4e2a<u>\u5e95\u5c42\u51fd\u6570<\/u>\u8c03\u51fa\u67d0\u5757\u5185\u5b58\u5b58\u50a8\u7684\u6574\u6570\u4e0e\u5b83\u5bf9\u6bd4\uff0c\u5982\u679c\u7ed3\u679c\u76f8\u7b49\u5c31\u8fd4\u56detrue\u3002\u518d\u5f80\u4e0b\u60f3\u4e00\u70b9\uff0c\u5c31\u662f\u628a\u5185\u5b58\u4e2d\u8fd9<u>\u56db\u4e2a\u5b57\u8282<\/u>\u6293\u51fa\u6765\uff0c\u4e00\u4e2a\u4e2a\u6bd4\u5bf9\uff0c\u770b\u5b83\u4eec\u662f\u4e0d\u662f<u>\u5b8c\u5168\u4e00\u81f4<\/u>\u7684\u3002<\/p>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">5.2\u3001\u5173\u4e8eif<\/h4>\n<p>if\u672c\u8d28\u4e0a\u4e5f\u662f<strong>bool\u68c0\u67e5<\/strong>\u3002\u5b9e\u9645\u4e0aif\u8bed\u53e5\u53ea\u662f\u5728\u68c0\u67e5<strong>\u6570\u5b57<\/strong>\uff0c<mark>\u5982\u679c\u662f0\uff0c\u5c31\u4e2d\u65ad\u8df3\u8fc7\u8fd9\u4e00\u6bb5\u7136\u540e\u5f80\u4e0b\u8dd1\uff0c\u5982\u679c\u662f\u975e0\u7684\u4efb\u4f55\u6570\uff0c\u6267\u884c\u3002<\/mark>\u6240\u4ee5\u6211\u4eec\u4e5f\u53ef\u4ee5\u5199<code>if(1)`` if(0)``if(x)<\/code>\u7b49\u7b49\u90fd\u53ef\u4ee5\u3002<\/p>\n<p><strong>\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/strong><\/p>\n<pre><code class=\"language-cpp\">if(ComparisonResult)\n{\n    blahblahblah\n}<\/code><\/pre>\n<p><strong>\u4e5f\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/strong><\/p>\n<pre><code class=\"language-cpp\">if(ComparisonResult == true)\n{\n    blahblahblah\n}<\/code><\/pre>\n<p>\u524d\u8005\u7684\u4f18\u52bf\u662f\u6bd4\u8f83\u7b80\u6d01\uff0c\u540e\u8005\u7684\u4f18\u52bf\u662f\u66f4\u6613\u8bfb\u3002\u5199\u4ee3\u7801\u5c31\u50cf\u8bf4\u8bdd\uff0c\u4f60\u4f1a\u53d1\u73b0\u6bcf\u4e2a\u4eba\u90fd\u6709\u81ea\u5df1\u7684\u7279\u70b9\u3002<\/p>\n<p>\u5f53if\u5047\uff0c\u5c31\u4f1a\u7ee7\u7eed\u5f80\u4e0b\u68c0\u67e5<strong>else if<\/strong>\uff0c<u>\u76f4\u5230\u67d0\u9879\u662f\u771f\u7684\uff0c\u6216\u8005\u76f4\u5230else\u4e3a\u5047<\/u>\u3002<\/p>\n<p>\u5176\u5b9e\u8fd9\u4e2aelse if()\u662f<\/p>\n<pre><code class=\"language-cpp\">else\n{\n    if()\n        {\n            blahblahblah\n        }\n}<\/code><\/pre>\n<p>\u4f60\u4f1a\u53d1\u73b0\u8fd9\u4fe9\u662f\u7b49\u4ef7\u7684\uff0c\u65e0\u975e\u662f\u7b80\u5199\u4e86\u4e00\u4e0b\u800c\u5df2\u3002<\/p>\n<p>\u540c\u65f6\uff0c<u>\u6bcf\u4e2aif\u662f\u5e73\u7ea7\u7684\u3002<\/u><\/p>\n<p>\u7b80\u5355\u63d0\u4e00\u5634switch\u8bed\u6cd5\u7684\u8003\u70b9<\/p>\n<pre><code class=\"language-cpp\">switch(expression){\n    case constant-expression  :\n       statement(s);\n       break; \/\/ \u53ef\u9009\u7684\n    case constant-expression  :\n       statement(s);\n       break; \/\/ \u53ef\u9009\u7684\n\n    \/\/ \u60a8\u53ef\u4ee5\u6709\u4efb\u610f\u6570\u91cf\u7684 case \u8bed\u53e5\n    default : \/\/ \u53ef\u9009\u7684\n       statement(s);\n}<\/code><\/pre>\n<p>\u53ef\u4ee5\u6709\u591a\u4e2acase\u6ee1\u8db3\uff0c\u4f46\u662f\u5982\u679c\u4f60\u4e0dbreak\u5b83\u5c31\u4f1a\u5f80\u4e0b\u9762\u7684case\u8dd1\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"i-6\"><\/span>\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center\"><span class=\"ez-toc-section\" id=\"6%E3%80%81%E5%BE%AA%E7%8E%AF%EF%BC%88loops%EF%BC%89\"><\/span>6\u3001\u5faa\u73af\uff08loops\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">6.1\u3001for\u5faa\u73af<\/h4>\n<p>\u5f53\u6211\u4eec\u9700\u8981\u591a\u6b21\u8fd0\u884c\u67d0\u4e2a\u4ee3\u7801\uff0c\u6211\u4eec\u9700\u8981\u5faa\u73af\u3002<\/p>\n<p>\u6765\u770b\u4e00\u4e2a\u7b80\u5355\u7684for\u5faa\u73af\uff1a<\/p>\n<pre><code class=\"language-cpp\">int main()\n{\n    for(int i=0;i&lt;5;i++)\n    {\n    blahblahblah\n&nbsp;&nbsp;&nbsp;&nbsp;}\n}<\/code><\/pre>\n<p>\u4e3a\u4ec0\u4e48\u91cc\u9762\u7528i\u6709\u4e00\u79cd\u8bf4\u6cd5\u662f<em>iterator<\/em>\uff08\u8fed\u4ee3\u5668\uff09<\/p>\n<p>\u8fd9\u4e2a\u4ee3\u7801\u7684\u8fd0\u884c\u903b\u8f91\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<p>\u9996\u5148\u6211\u4eec<u>\u751f\u6210\u53d8\u91cfi=0<\/u><\/p>\n<p><u>\u68c0\u67e5\u6761\u4ef6<\/u>\uff1ai=0&lt;5\u4e3a\u771f<\/p>\n<p><u>\u6267\u884c<\/u>\u62ec\u53f7\u5185\u7684\u5185\u5bb9<\/p>\n<p>\u4f7fi++<\/p>\n<p>\u518d<u>\u68c0\u67e5\u6761\u4ef6<\/u>\uff1ai=1&lt;5\u4e3a\u771f<\/p>\n<p>\u6267\u884c\u62ec\u53f7<\/p>\n<p>......<\/p>\n<p>\u76f4\u5230\u6761\u4ef6\u4e3a\u5047\u8df3\u8fc7\u5faa\u73af\u3002<\/p>\n<p>\u6240\u4ee5\u6211\u4eec\u751a\u81f3\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/p>\n<pre><code class=\"language-cpp\">int main()\n{\n    for(;i&lt;5;)\n    {\n    blahblahblah\n    i++\n    }\n}<\/code><\/pre>\n<p>for\u7684\u62ec\u53f7\u91cc\u53ef\u4ee5\u662f\u4efb\u4f55\u4e1c\u897f\u3002<\/p>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">6.2\u3001While\u5faa\u73af<\/h4>\n<p>\u5bf9\u4e8ewhile\uff0c\u8fd9\u4e24\u6bb5\u4ee3\u7801\u662f<strong>\u5b8c\u5168\u7b49\u4ef7<\/strong>\u7684\uff1a<\/p>\n<pre><code class=\"language-cpp\">for(int i=0;i&lt;5;i++)\n{\n    blahblah\n}<\/code><\/pre>\n<pre><code class=\"language-cpp\">int i=0;\nwhile(i&lt;5)\n{\n    blahblahblah\n    i++;\n}<\/code><\/pre>\n<p>\u7b80\u5355\u6765\u8bf4\uff0c\u5f53\u4f60<strong>\u77e5\u9053\u5177\u4f53\u5faa\u73af\u6b21\u6570\u5e76\u4e14\u6ca1\u6709\u65b0\u53d8\u91cf<\/strong>\u7684\u65f6\u5019\u53ef\u4ee5\u7528for\uff0c\u6709<strong>\u65b0\u7684\u53d8\u91cf<\/strong>\u53ef\u4ee5\u7528while\u6765\u68c0\u67e5\u3002<\/p>\n<p>\u5173\u4e8edo while\uff1a<\/p>\n<pre><code class=\"language-cpp\">do\n{\n    blahblahblah\n}while(x &lt; 5);<\/code><\/pre>\n<p>do while<strong>\u81f3\u5c11\u4f1a\u88ab\u6267\u884c\u4e00\u6b21<\/strong>\u3002<\/p>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">6.3\u3001\u5faa\u73af\u63a7\u5236\u8bed\u53e5\uff08Control Flow\uff09<\/h4>\n<p><code>continue<\/code>\u505c\u6b62\u5f53\u524d\u8fed\u4ee3\uff0c\u7acb\u523b\u8fdb\u5165\u5230\u4e0b\u4e00\u6b21\u5faa\u73af\u7684\u8fed\u4ee3\u4e2d\u3002<\/p>\n<p><code>break<\/code>\u7acb\u9a6c\u8df3\u51fa\u5faa\u73af\u3002<\/p>\n<p><code>return<\/code>\u7acb\u9a6c\u8df3\u51fa\u51fd\u6570\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"i-7\"><\/span>\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center\"><span class=\"ez-toc-section\" id=\"7%E3%80%81%E6%8C%87%E9%92%88%EF%BC%88pointers%EF%BC%89\"><\/span>7\u3001\u6307\u9488\uff08pointers\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">7.1\u3001\u6307\u9488\u7684\u672c\u8d28<\/h4>\n<p>\u5bf9\u4e8e\u8ba1\u7b97\u673a\u548c\u7a0b\u5e8f\u6765\u8bf4\uff0c\u6700\u91cd\u8981\u7684\u4e1c\u897f\u5c31\u662f<strong>\u5185\u5b58<\/strong>\uff08memory\uff09\u3002<u>\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u6700\u8fd1\u5185\u5b58\u6761\u4ef7\u683c\u75af\u6da8\u3002<\/u><\/p>\n<p>\u6307\u9488\uff0c\u5176\u672c\u8d28\u4e5f\u662f\u4e00\u4e2a\u53d8\u91cf\uff08\u51c6\u786e\u7684\u8bf4\u662f\u4e00\u4e2a\u6d3e\u751f\u53d8\u91cf\uff09\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c<mark>\u5b83\u662f\u4e00\u4e2a\u6574\u6570\uff0c\u4e00\u4e2a\u6570\u5b57\uff0c\u5b58\u50a8\u7740\u67d0\u4e2a\u5185\u5b58\u5730\u5740<\/mark>\uff0c\u5c31\u8ddf\u6211\u4eec\u4e4b\u524d\u5b66\u8fc7\u7684\u6240\u6709\u53d8\u91cf\u4e00\u6837\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\u5185\u5b58\uff1a\u4e00\u6761\u5355\u4e2a\u8857\u9053\u4e0a\u7684\u4e00\u6392\u623f\u5b50\u3002\u6bcf\u4e2a\u623f\u5b50\u6709\u5b83\u7684<span style=\"color: red\">\u95e8\u724c\u53f7\uff08\u6570\u5b57\uff09<\/span>\u548c<span style=\"color: blue\">\u5730\u5740<\/span>\uff0c\u6bcf\u4e2a\u623f\u5b50\u7684<span style=\"color: green\">\u7a7a\u95f4\u5927\u5c0f<\/span>\u662f\u4e00\u4e2a\u5b57\u8282\uff08byte\uff09\u3002<\/p>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">7.2\u3001\u521b\u5efa\u6307\u9488<\/h4>\n<p>\u5b9e\u9645\u4e0a\uff0c\u4f60<u>\u4e5f\u53ef\u4ee5\u5728\u5b8c\u5168\u4e0d\u4f7f\u7528\u6307\u9488\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u7f16\u7a0b<\/u>\uff0c\u4f46\u662f\u6307\u9488\u662f\u4e00\u4e2a\u76f8\u5f53\u65b9\u4fbf\u7684\u5de5\u5177\u3002<\/p>\n<p><mark>\u6307\u9488\u5fc5\u987b\u521d\u59cb\u5316<\/mark>\u3002<\/p>\n<p>\u6211\u4eec\u521b\u5efa\u4e00\u4e2a<strong>\u7a7a\u6307\u9488<\/strong>\uff1a<\/p>\n<p><code>void* ptr = 0;<\/code><strong>0\u4e0d\u662f\u4e00\u4e2a\u6709\u6548\u7684\u5185\u5b58\u5730\u5740<\/strong>\uff0c\u6240\u4ee5\u8be5\u6307\u9488\u662f\u65e0\u6548\u7684\u3002<\/p>\n<p>\u4f60\u4e5f\u53ef\u4ee5\u5199\u6210\uff1a<\/p>\n<p><code>void* ptr = NULL;<\/code>\u6216\u8005<code>void* ptr = nullptr;<\/code><\/p>\n<p>\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u6709\u610f\u4e49\u7684\u6307\u9488\u3002<\/p>\n<pre><code class=\"language-cpp\">int var = 8;\/\/\u521b\u5efa\u4e00\u4e2a\u53d8\u91cfvar\u4f7f\u5176\u7b49\u4e8e8\nvoid* ptr = &amp;var;<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c\u524d\u7f00\u201c&amp;\u201d\u4ee3\u8868\u6211\u4eec\u5728<mark>\u53d6\u5740<\/mark>\uff0c\u4e5f\u5c31\u662f<u>\u53d6var\u7684\u5185\u5b58\u5730\u5740\u3002<\/u><\/p>\n<p>\u4f60\u4e5f\u53ef\u4ee5\u5b9a\u4e49<strong>\u6307\u9488\u7c7b\u578b<\/strong>\u4e3aint<\/p>\n<pre><code class=\"language-cpp\">int var = 8;\nint* ptr = &amp;var;<\/code><\/pre>\n<p>\u6ca1\u6709\u4efb\u4f55\u533a\u522b\uff0c<mark>\u6240\u4ee5\u8bf4\u6307\u9488\u7684\u7c7b\u578b\u6ca1\u6709\u610f\u4e49\uff0c\u4e0d\u540c\u7c7b\u578b\u6ca1\u6709\u672c\u8d28\u533a\u522b\u3002<\/mark><\/p>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">7.3\u3001\u4f7f\u7528\u6307\u9488<\/h4>\n<p>\u5f53\u6211\u4eec\u9700\u8981\u5bf9\u6307\u9488\u6307\u5411\u7684\u5185\u5b58\u5730\u5740\u8fdb\u884c\u64cd\u63a7\u65f6\uff0c\u6211\u4eec\u9700\u8981\u7528\u201c*\u201d\u524d\u7f6e\u4fee\u9970\uff0c\u4e5f\u5c31\u662f<mark>\u89e3\u5f15\u7528<\/mark><\/p>\n<pre><code class=\"language-cpp\">int var =8;\nint* ptr = &amp;var;\n*ptr = 10;<\/code><\/pre>\n<p>\u6211\u4eec\u5c31\u6210\u529f\u6539\u53d8\u4e86var\u7684\u503c\u3002<\/p>\n<p>\u6211\u4eec\u65e2\u7136\u77e5\u9053\uff0c<strong>\u6307\u9488\u672c\u8d28\u4e5f\u662f\u53d8\u91cf<\/strong>\uff0c\u90a3\u4e5f\u5c31\u610f\u5473\u7740<u>\u5b83\u4e5f\u6709\u81ea\u5df1\u7684\u5185\u5b58\u5730\u5740<\/u>\uff0c\u53ea\u662f\u5b83\u7684\u5de5\u4f5c\u662f\u6307\u5411\u522b\u7684\u53d8\u91cf\u7684\u5185\u5b58\u5730\u5740\uff0c\u4e5f\u5c31\u662f<u>\u5b58\u50a8\u7740\u5185\u5b58\u5730\u5740<\/u>\u3002<\/p>\n<p>\u8fd9\u4e5f\u5c31\u662f\u8bf4\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa<u>\u6307\u5411\u6307\u9488\u7684\u6307\u9488<\/u>\u3002<\/p>\n<pre><code class=\"language-cpp\">char* buffer = new char[8];\n\nchar** ptr = &amp;buffer;<\/code><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"i-8\"><\/span>\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center\"><span class=\"ez-toc-section\" id=\"8%E3%80%81%E5%BC%95%E7%94%A8%EF%BC%88References%EF%BC%89\"><\/span>8\u3001\u5f15\u7528\uff08References\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: center\">8.1\u3001\u5f15\u7528\u662f\u4ec0\u4e48<\/h4>\n<p>\u5f15\u7528\u5176\u5b9e\u4e5f\u662f\u548c\u6307\u9488\u5dee\u4e0d\u591a\u7684\u4e1c\u897f\uff0c<strong>\u5b83\u662f\u57fa\u4e8e\u6307\u9488\u521b\u9020\u7684\u8bed\u6cd5\u7cd6<\/strong>\u3002<\/p>\n<p><mark>\u6307\u9488\u5fc5\u987b\u5f15\u7528\u5df2\u7ecf\u5b58\u5728\u7684\u53d8\u91cf\u3002<\/mark>\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a<strong>\u7a7a\u6307\u9488<\/strong>\uff0c\u56e0\u4e3a\u6307\u9488\u672c\u8d28\u4e0a\u4e5f\u662f\u4e00\u79cd\u53d8\u91cf\u3002\u4f46\u662f<span style=\"color: red\">\u4e0d\u5b58\u5728<\/span>\u201c<strong>\u7a7a\u5f15\u7528<\/strong>\u201d\u6216\u8005\u7c7b\u4f3c\u7684\u4e1c\u897f\u3002<mark>\u5f15\u7528\u672c\u8eab<span style=\"color: red\">\u4e0d\u662f<\/span>\u4e00\u4e2a\u65b0\u7684\u53d8\u91cf\u3002<\/mark><\/p>\n<h4 style=\"text-align: center\">8.2\u3001\u4f7f\u7528\u5f15\u7528<\/h4>\n<p>\u6765\u521b\u5efa\u4e00\u4e2a\u5f15\u7528\uff1a<\/p>\n<pre><code class=\"language-cpp\">int a = 5;\n\nint&amp; ref = a;<\/code><\/pre>\n<p>\u4e8e\u662f\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2aa\u7684\u522b\u540d\uff08alias\uff09ref\u3002\u8fd9\u4e2aref<strong>\u4e0d\u662f\u771f\u7684\u53d8\u91cf<\/strong>\uff0c<mark>\u5b83\u53ea\u5b58\u5728\u4e8e<u>\u4ee3\u7801\u4e2d<\/u>\u800c\u4e0d\u662f\u5185\u5b58\u4e2d<\/mark>\uff0c<u>\u5b83\u50cf\u662f\u4e00\u4e2a\u76d8\u65cb\u5728\u5185\u5b58\u4e0a\u7a7a\u7684\u5e7d\u7075<\/u>\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5<u>\u4f7f\u7528ref\u4ee3\u66ffa<\/u>\uff0c\u56e0\u4e3aref\u5c31\u662fa\u3002<\/p>\n<pre><code class=\"language-cpp\">ref = 6;<\/code><\/pre>\n<p>\u4e0b\u9762\u6211\u4eec\u6765\u770b<strong>\u5f15\u7528\u7684\u4f18\u70b9<\/strong>\u3002<\/p>\n<pre><code class=\"language-cpp\">void Increment(int value)\n{\n    int value++;\n}\n\nint main()\n{\n    int a =5;\n    Increment(a);\n    LOG(a);\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u867d\u7136\u6211\u4eec\u4f20\u5165a\u5230\u51fd\u6570\u4e2d\uff0c\u4f46\u662f\u6211\u4eec\u5b9e\u9645\u4e0a**\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684\u53d8\u91cf**<em>value<\/em>\uff0c\u5b9e\u9645\u4e0a\u53d1\u751f\u4e86\uff1a<\/p>\n<p><code>int value = 5;<\/code><\/p>\n<p>\u56e0\u6b64\u5f53\u6211\u4eec\u8f93\u51faa\u7684\u65f6\u5019\uff0c\u4f1a\u53d1\u73b0<u>a\u7684\u503c\u662f\u6ca1\u6709\u53d8\u7684\u3002\u53d8\u7684\u503c\u662fvalue\u3002<\/u><\/p>\n<p>\u8fd9\u4e5f\u5c31\u662f<span style=\"color: red\"><strong>\u503c\u4f20\u9012<\/strong><\/span>\u3002<\/p>\n<p>\u4e3a\u4e86<u>\u6539\u53d8a<\/u>\uff0c\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u8fdb\u884c<span style=\"color: blue\"><strong>\u5740\u4f20\u9012<\/strong><\/span>\uff1a<\/p>\n<pre><code class=\"language-cpp\">void Increment(int* value)\n{\n    (*value)++;\n}\n\nint main()\n{\n    int a =5;\n    Increment(&amp;a);\n    LOG(a);\n}<\/code><\/pre>\n<p>\u6211\u4eec\u4e5f\u53ef\u4ee5\u91c7\u53d6<u>\u66f4\u7b80\u6d01<\/u>\u7684<strong>\u5f15\u7528\u4f20\u9012<\/strong>\u8fbe\u6210\u8fd9\u4e2a\u6548\u679c\u3002<\/p>\n<pre><code class=\"language-cpp\">void Increment(int&amp; value)\n{\n    value++;\n}\n\nint main()\n{\n    int a =5;\n    Increment(a);\n    LOG(a);\n}<\/code><\/pre>\n<p>\u6240\u4ee5<strong>\u5f15\u7528\u5c31\u662f\u7b80\u5316\u7248\u7684\u6307\u9488<\/strong>\u3002<mark>\u6ca1\u6709\u4efb\u4f55\u4e8b\u60c5\u662f\u5f15\u7528\u80fd\u505a\u4f46\u662f\u6307\u9488\u4e0d\u80fd\u505a\u7684\u3002<\/mark><\/p>\n<h4 style=\"text-align: center\">8.3\u3001\u4f7f\u7528\u5f15\u7528\u7684\u6ce8\u610f\u4e8b\u9879<\/h4>\n<p>\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c<mark>\u4f60\u4e0d\u80fd\u591a\u6b21\u521d\u59cb\u5316\u4e00\u4e2a\u5f15\u7528\u3002<\/mark><\/p>\n<pre><code class=\"language-cpp\">int a =5;\nint b =8;\n\n\/\/\u9519\u8bef\u64cd\u4f5c\nint&amp; ref = a;\nint&amp; ref = b;<\/code><\/pre>\n<p><strong>\u5982\u679c\u4f60\u8981\u505a\u7c7b\u4f3c\u7684\u64cd\u4f5c\u6700\u597d\u4f7f\u7528\u6307\u9488\u3002<\/strong><\/p>\n<p>\u540c\u65f6\uff0c<strong>\u9274\u4e8e\u5f15\u7528\u4e0d\u662f\u4e00\u4e2a\u771f\u7684\u53d8\u91cf<\/strong>\uff0c\u4f60\u4e5f<span style=\"color: red\">\u4e0d\u80fd<\/span><strong>\u53ea\u58f0\u660e\u4e0d\u8d4b\u503c<\/strong>\u3002<\/p>\n<pre><code class=\"language-cpp\">int&amp; ref;\/\/\u9519\u8bef\u64cd\u4f5c\nref = b;<\/code><\/pre>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>C++ part I<\/p>","protected":false},"author":1,"featured_media":87,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"aside","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-83","post","type-post","status-publish","format-aside","has-post-thumbnail","hentry","category-uncategorized","post_format-post-format-aside"],"_links":{"self":[{"href":"https:\/\/www.becksai.cn\/index.php?rest_route=\/wp\/v2\/posts\/83","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.becksai.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.becksai.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.becksai.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.becksai.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=83"}],"version-history":[{"count":4,"href":"https:\/\/www.becksai.cn\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions"}],"predecessor-version":[{"id":103,"href":"https:\/\/www.becksai.cn\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions\/103"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.becksai.cn\/index.php?rest_route=\/wp\/v2\/media\/87"}],"wp:attachment":[{"href":"https:\/\/www.becksai.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=83"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.becksai.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=83"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.becksai.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}