{"id":407,"date":"2024-06-17T21:04:19","date_gmt":"2024-06-17T13:04:19","guid":{"rendered":"https:\/\/www.vanforever.com.cn\/?p=407"},"modified":"2024-06-17T21:04:19","modified_gmt":"2024-06-17T13:04:19","slug":"define%e4%b8%8etypedef%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.vanforever.com.cn\/?p=407","title":{"rendered":"define\u4e0etypedef\u7684\u533a\u522b"},"content":{"rendered":"<div  class='collapse-block shadow-sm collapse-block-transparent collapsed hide-border-left'><div class='collapse-block-title'><span class='collapse-block-title-inner'>\u67e5\u770b\u7279\u8272\u56fe\u7247<\/span><i class='collapse-icon fa fa-angle-down'><\/i><\/div><div class='collapse-block-body' style='display:none;'><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic.vanforever.com.cn\/Vanforever\/20240610\/wallhaven-2ylo1g_3840x2400.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large\" data-original=\"https:\/\/pic.vanforever.com.cn\/Vanforever\/20240610\/wallhaven-2ylo1g_3840x2400.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" width=\"3840\" height=\"2400\" \/><\/div><\/div><\/div>\n<h1 id=\"define\u4e0etypedef\u7684\u533a\u522b\">define\u4e0etypedef\u7684\u533a\u522b<\/h1>\n<p>typedef\u662f\u5173\u952e\u5b57\uff0c\u5bf9\u5df2\u7ecf\u5b58\u5728\u7684\u6570\u636e\u7c7b\u578b\u53d6\u522b\u540d\u3002<br \/>\n\u5728<strong>\u7f16\u8bd1\u9636\u6bb5<\/strong>\u5904\u7406\uff0c\u4f1a\u8fdb\u884c\u7c7b\u578b\u68c0\u67e5\uff0c\u53ea\u80fd\u5728\u5b9a\u4e49\u7684\u4f5c\u7528\u57df\u5185\u4f7f\u7528\u3002<\/p>\n<p>define\u662f<strong>\u9884\u5904\u7406\u6307\u4ee4<\/strong>\uff08\u5b8f\u5b9a\u4e49\uff09\uff0c\u53ea\u8fdb\u884c\u7b80\u5355\u7684\u5b57\u7b26\u66ff\u6362\uff0c\u662f\u5426\u4ea7\u751f\u9519\u8bef\u8981\u5728\u7f16\u8bd1\u65f6\u624d\u53ef\u77e5\u3002<br \/>\n\u6ca1\u6709\u4f5c\u7528\u57df\u9650\u5236\uff0c\u53ef\u4ee5\u5bf9\u7c7b\u578b\/\u53d8\u91cf\/\u5e38\u91cf\u7b49\u8fdb\u884c\u66ff\u6362<\/p>\n<p>\u5bf9\u4e8e\u5355\u7eaf\u5e38\u91cf\uff0c\u63a8\u8350\u5c3d\u53ef\u80fd\u4f7f\u7528<code>const<\/code>\u548c<code>enum<\/code>\u6765\u4ee3\u66ff<code>#define<\/code><\/p>\n<p>\u5bf9\u4e8e\u5f62\u4f3c\u51fd\u6570\u7684\u5b8f\uff0c\u6700\u597d\u6539\u7528<code>inline<\/code>\u51fd\u6570\u66ff\u6362<code>#define<\/code><\/p>\n<pre><code class=\"language-cpp\" lang=\"cpp\">\u6bd4\u5982\n#define ASPECT_RATIO 1.653\n\u53ef\u4ee5\u66ff\u6362\u4e3a\nconst double AspectRatio = 1.653;\n\u6216\u8005\nC++ 11\u540e\u5f15\u8fdb\u4e86\u679a\u4e3e\u7c7b\nenum class AspectRatioEnum : double {\n    AspectRatio = 1.653\n};\n\u4e4b\u524d\u53ea\u80fd\u662f\u6574\u578b\nenum { AspectRatio = 1.653 };\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>define\u4e0etypedef\u7684\u533a\u522b typedef\u662f\u5173\u952e\u5b57\uff0c\u5bf9\u5df2\u7ecf\u5b58\u5728\u7684\u6570\u636e\u7c7b\u578b\u53d6\u522b\u540d\u3002 \u5728\u7f16\u8bd1\u9636\u6bb5\u5904\u7406\uff0c\u4f1a\u8fdb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[4],"class_list":["post-407","post","type-post","status-publish","format-standard","hentry","category-c","tag-c"],"_links":{"self":[{"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=407"}],"version-history":[{"count":1,"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/407\/revisions"}],"predecessor-version":[{"id":408,"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/407\/revisions\/408"}],"wp:attachment":[{"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}