{"id":522,"date":"2014-09-11T23:27:41","date_gmt":"2014-09-11T15:27:41","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=522"},"modified":"2014-09-13T15:48:43","modified_gmt":"2014-09-13T07:48:43","slug":"%e5%85%b3%e4%ba%8e%e7%bb%93%e6%9e%84%e4%bd%93%e7%9a%84%e5%a4%a7%e5%b0%8f-2","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=522","title":{"rendered":"\u5173\u4e8e\u7ed3\u6784\u4f53\u7684\u5927\u5c0f"},"content":{"rendered":"<p>\u7b2c\u4e00\u6b65\u662f\u8981\u77e5\u9053\u7ed3\u6784\u4f53\u5927\u5c0f\u7684\u8ba1\u7b97\u65b9\u5f0f\uff1a<\/p>\n<p>\u7ed3\u6784\u4f53\u5927\u5c0f\u7b49\u4e8e\u6700\u540e\u4e00\u4e2a\u6210\u5458\u7684\u504f\u79fb\u91cf\u52a0\u4e0a\u6700\u540e\u4e00\u4e2a\u6210\u5458\u7684\u5927\u5c0f\uff0c<\/p>\n<p>\u504f\u79fb\u91cf\u6307\u7684\u662f\u7ed3\u6784\u4f53\u53d8\u91cf\u4e2d\u6210\u5458\u7684\u5730\u5740 \u2013 \u7ed3\u6784\u4f53\u53d8\u91cf\u5730\u5740\u7684\u5dee\uff0c \u7b2c\u4e00\u4e2a\u6210\u5458\u7684\u504f\u79fb\u91cf\u4e3a0<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e0b\u9762\u4ee3\u7801<\/p>\n<pre class=\"lang:delphi decode:true \">TRecord2 = record\r\n    a: Integer;\r\n    b: Integer;\r\n    c: Integer;\r\n  end;\r\n\r\n {$A8+}\r\n TRecord1 = record\r\n    a1: Byte;\r\n    a2: Integer;\r\n    a3: Int64;\r\n    a4: Byte;\r\n    a5: Word;\r\n    case Integer of\r\n      0: (e1: TRecord2);\r\n      1: (e2: Int64);\r\n  end;<\/pre>\n<p>&nbsp;<\/p>\n<p>\u76f4\u63a5\u7528\u6570\u636e\u8bf4\u8bdd\u5427:<\/p>\n<p>\u4e0b\u9762\u662f\u6bcf\u4e2a\u6210\u54c1\u7684\u504f\u79fb\u91cf<\/p>\n<p>a1:0, a2:4, a3:8, a4:16, a5:18, e1:24, e2:24, size:40<\/p>\n<p>&nbsp;<\/p>\n<p>\u5176\u5b9e\u53ef\u4ee5\u753b\u4e00\u4e2a\u683c\u5b50&lt;\u4e0b\u9762\u6bcf\u4e2a\u683c\u5b50\u4ee3\u8868\u5bf9\u9f50\u7684\u5b57\u8282\u6570&gt;<\/p>\n<table border=\"1\" width=\"800\" cellspacing=\"1\" cellpadding=\"1\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"50\">a1|a2<\/td>\n<td valign=\"top\" width=\"50\">a3<\/td>\n<td valign=\"top\" width=\"50\">a4|a5<\/td>\n<td valign=\"top\" width=\"50\">e1|e2<\/td>\n<td valign=\"top\" width=\"50\">e1<\/td>\n<td valign=\"top\" width=\"50\"><\/td>\n<td valign=\"top\" width=\"50\"><\/td>\n<td valign=\"top\" width=\"50\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b2c\u4e00\u6b65\u662f\u8981\u77e5\u9053\u7ed3\u6784\u4f53\u5927\u5c0f\u7684\u8ba1\u7b97\u65b9\u5f0f\uff1a \u7ed3 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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