{"id":17760,"date":"2024-10-30T12:46:43","date_gmt":"2024-10-30T04:46:43","guid":{"rendered":"https:\/\/blog.iyatt.com\/?p=17760"},"modified":"2025-10-15T12:03:45","modified_gmt":"2025-10-15T04:03:45","slug":"c-c-%e7%a8%8b%e5%ba%8f%e5%86%85%e8%8e%b7%e5%8f%96%e7%bc%96%e8%af%91%e6%97%b6%e9%97%b4","status":"publish","type":"post","link":"https:\/\/blog.iyatt.com\/?p=17760","title":{"rendered":"C++ \u7a0b\u5e8f\u5185\u83b7\u53d6\u7f16\u8bd1\u65e5\u671f\u65f6\u95f4"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">\u76ee\u5f55<\/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-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.iyatt.com\/?p=17760\/#%E6%B5%8B%E8%AF%95%E7%8E%AF%E5%A2%83\" >\u6d4b\u8bd5\u73af\u5883<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.iyatt.com\/?p=17760\/#%E6%96%B9%E6%A1%88\" >\u65b9\u6848<\/a><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"%E6%B5%8B%E8%AF%95%E7%8E%AF%E5%A2%83\"><\/span>\u6d4b\u8bd5\u73af\u5883<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Visual Studio 2022<\/p>\n<h1><span class=\"ez-toc-section\" id=\"%E6%96%B9%E6%A1%88\"><\/span>\u65b9\u6848<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>C\/C++ \u4e2d\u6709 <strong>__DATE__<\/strong> \u548c <strong>__TIME__<\/strong> \u4e24\u4e2a\u9884\u5b9a\u4e49\u5b8f\uff0c\u5206\u522b\u4e3a\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u5728\u7a0b\u5e8f\u5185\u4f5c\u4e3a\u5b57\u7b26\u4e32\u4f7f\u7528\u5c31\u884c\u3002\u7f16\u8bd1\u5668\u9884\u5904\u7406\u7684\u65f6\u5019\u5c31\u4f1a\u83b7\u53d6\u65e5\u671f\u548c\u65f6\u95f4\u586b\u8fdb\u53bb\u4f5c\u4e3a\u5e38\u91cf\u5b57\u7b26\u4e32\u3002<br \/>\n<img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2024\/10\/image-1730263667765.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 472px; --smush-placeholder-aspect-ratio: 472\/298;\" \/><\/p>\n<p>\u4e0d\u8fc7\u8fd9\u4e24\u4e2a\u5b57\u7b26\u4e32\u90fd\u4e0d\u662f\u5bbd\u5b57\u7b26\u4e32\uff0c\u5728\u4e00\u4e9b\u7279\u522b\u7684\u60c5\u666f\u4e0b\uff0c\u6bd4\u5982 Windows API \u7cfb\u5217\u7684\u9879\u76ee\u4e2d\uff0c\u666e\u904d\u8981\u4f7f\u7528\u5bbd\u5b57\u7b26\u4e32\u3002<br \/>\n<img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2024\/10\/image-1730262642532.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 413px; --smush-placeholder-aspect-ratio: 413\/75;\" \/><\/p>\n<p><strong>DATE<\/strong> \u548c <strong>TIME<\/strong> \u662f\u5b58\u50a8\u7684\u7f16\u8bd1\u65f6\u95f4\uff0c\u6211\u4e00\u822c\u628a\u7f16\u8bd1\u65f6\u95f4\u7528\u4f5c\u8f6f\u4ef6\u7248\u672c\u53f7\u3002<br \/>\n\u65f6\u95f4\u8f6c\u5bbd\u5b57\u7b26\u4e32\u53c2\u8003<\/p>\n<pre><code class=\"language-cpp\">#include &lt;wchar.h&gt;\n#include &lt;stdio.h&gt;\n\nconstexpr wchar_t WTIME[] = {\n    __TIME__[0], __TIME__[1], __TIME__[2], __TIME__[3],\n    __TIME__[4], __TIME__[5], __TIME__[6], __TIME__[7],\n    __TIME__[8], 0\n};\n\nint main(void)\n{\n    wprintf(L&quot;%s\\n&quot;, WTIME);\n    return 0;\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2024\/10\/image-1760452941523.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 815px; --smush-placeholder-aspect-ratio: 815\/188;\" \/><\/p>\n<p>\u65e5\u671f\u6211\u4e00\u822c\u7528\u5e74\u6708\u65e5\u7684\u963f\u62c9\u4f2f\u6570\u5b57\u62fc\u63a5\uff0c\u539f\u59cb\u5e26\u82f1\u6587\u6708\u4efd\u7684\u683c\u5f0f\u5c31\u4e0d\u4e60\u60ef\uff0c\u4e0b\u9762\u7684\u4ee3\u7801\u53ef\u4ee5\u5448\u73b0\u963f\u62c9\u4f2f\u6570\u5b57\u683c\u5f0f<\/p>\n<pre><code class=\"language-cpp\">#include &lt;stdio.h&gt;\n\n#define MONTH_TO_NUM(mmm) \\\n    ((mmm[0] == &#039;J&#039; &amp;&amp; mmm[1] == &#039;a&#039;) ? 1 : \\\n     (mmm[0] == &#039;F&#039;) ? 2 : \\\n     (mmm[0] == &#039;M&#039; &amp;&amp; mmm[2] == &#039;r&#039;) ? 3 : \\\n     (mmm[0] == &#039;A&#039; &amp;&amp; mmm[1] == &#039;p&#039;) ? 4 : \\\n     (mmm[0] == &#039;M&#039; &amp;&amp; mmm[2] == &#039;y&#039;) ? 5 : \\\n     (mmm[0] == &#039;J&#039; &amp;&amp; mmm[2] == &#039;n&#039;) ? 6 : \\\n     (mmm[0] == &#039;J&#039; &amp;&amp; mmm[2] == &#039;l&#039;) ? 7 : \\\n     (mmm[0] == &#039;A&#039; &amp;&amp; mmm[1] == &#039;u&#039;) ? 8 : \\\n     (mmm[0] == &#039;S&#039;) ? 9 : \\\n     (mmm[0] == &#039;O&#039;) ? 10 : \\\n     (mmm[0] == &#039;N&#039;) ? 11 : 12)\n\n#define TO_DIGIT(c) ((c) - &#039;0&#039;)\n\nconstexpr wchar_t WDATE[] = {\n    __DATE__[7], __DATE__[8], __DATE__[9], __DATE__[10],\n    L&#039;\/&#039;,                                                \n    (wchar_t)(L&#039;0&#039; + MONTH_TO_NUM(__DATE__) \/ 10),       \n    (wchar_t)(L&#039;0&#039; + MONTH_TO_NUM(__DATE__) % 10),       \n    L&#039;\/&#039;,                                                \n    (wchar_t)((__DATE__[4] == &#039; &#039;) ? L&#039;0&#039; : __DATE__[4]),\n    (wchar_t)__DATE__[5],                                \n    0                                                    \n};\n\nint main(void)\n{\n    wprintf(L&quot;%s\\n&quot;, WDATE);\n    return 0;\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2024\/10\/image-1760501019809.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 809px; --smush-placeholder-aspect-ratio: 809\/161;\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6d4b\u8bd5\u73af\u5883 Visual Studio 2022 \u65b9\u6848 C\/C++ \u4e2d\u6709 __DATE__ \u548c __TIME__ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"zakra_page_container_layout":"customizer","zakra_page_sidebar_layout":"customizer","zakra_remove_content_margin":false,"zakra_sidebar":"customizer","zakra_transparent_header":"customizer","zakra_logo":0,"zakra_main_header_style":"default","zakra_menu_item_color":"","zakra_menu_item_hover_color":"","zakra_menu_item_active_color":"","zakra_menu_active_style":"","zakra_page_header":true,"_lmt_disableupdate":"no","_lmt_disable":"no","footnotes":""},"categories":[1,589,593,594],"tags":[],"class_list":["post-17760","post","type-post","status-publish","format-standard","hentry","category-all","category-c-c","category-windows-api","category-594"],"modified_by":"IYATT-yx","_links":{"self":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts\/17760","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17760"}],"version-history":[{"count":5,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts\/17760\/revisions"}],"predecessor-version":[{"id":22076,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts\/17760\/revisions\/22076"}],"wp:attachment":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17760"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}