{"id":4595,"date":"2017-08-15T16:04:15","date_gmt":"2017-08-15T08:04:15","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=4595"},"modified":"2017-08-15T16:04:28","modified_gmt":"2017-08-15T08:04:28","slug":"%e6%95%99%e7%a8%8bdelphi-%e4%b8%ad%e4%b8%89%e7%a7%8d%e5%9b%9e%e8%b0%83%e5%87%bd%e6%95%b0%e5%bd%a2%e5%bc%8f%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=4595","title":{"rendered":"[\u6559\u7a0b]Delphi \u4e2d\u4e09\u79cd\u56de\u8c03\u51fd\u6570\u5f62\u5f0f\u89e3\u6790"},"content":{"rendered":"<p>Delphi \u652f\u6301\u4e09\u79cd\u5f62\u5f0f\u7684\u56de\u8c03\u51fd\u6570\uff1a<\/p>\n<ul>\n<li>\u5168\u5c40\u51fd\u6570<br \/>\n\u8fd9\u79cd\u65b9\u5f0f\u51e0\u4e4e\u662f\u6240\u6709\u7684\u8bed\u8a00\u90fd\u652f\u6301\u7684\uff0c\u7c7b\u7684\u9759\u6001\u51fd\u6570\u4e5f\u53ef\u4ee5\u5f52\u4e3a\u6b64\u7c7b\uff0c\u5b83\u4fdd\u5b58\u7684\u53ea\u662f\u4e00\u4e2a\u51fd\u6570\u7684\u4ee3\u7801\u8d77\u59cb\u5730\u5740\u6307\u9488\uff08 Pointer \uff09\u3002\u5728 Delphi \u4e2d\u58f0\u660e\u4e00\u822c\u4e3a\uff1a<\/p>\n<pre class=\"lang:delphi decode:true\">TXXX=procedure\/function (\u53c2\u6570\u5217\u8868);<\/pre>\n<\/li>\n<li>\u7c7b\u7684\u6210\u5458\u51fd\u6570<br \/>\n\u7c7b\u7684\u6210\u5458\u51fd\u6570\u4f5c\u4e3a\u56de\u8c03\u51fd\u6570\uff0c\u4e0e\u5168\u5c40\u51fd\u6570\u76f8\u6bd4\uff0c\u9700\u8981\u5173\u8054\u5177\u4f53\u7684\u7c7b\u7684\u5b9e\u4f8b\uff0c\u6240\u4ee5\u5b83\u662f\u7531\u4e24\u90e8\u5206\u7ec4\u6210\uff0c\u4e00\u4e2a\u662f\u5bf9\u8c61\u7684\u5b9e\u4f8b\u5730\u5740\uff0c\u4e00\u4e2a\u662f\u4ee3\u7801\u5730\u5740\uff0c\u4e24\u4e2a\u6307\u9488\uff0c\u6784\u6210\u4e00\u4e2a\u8bb0\u5f55\uff08\u7ed3\u6784\u4f53\uff09\uff0c\u53c2\u8003 Delphi \u4e2d TMethod \u7684\u58f0\u660e\uff1a<\/p>\n<pre class=\"lang:delphi decode:true\">TMethod = record\r\n    Code, Data: Pointer;\r\nend;<\/pre>\n<p>\u5728 Delphi \u4e2d\u7684\u58f0\u660e\u4e00\u822c\u4e3a\uff1a<\/p>\n<pre class=\"lang:delphi decode:true \">TXXX=procedure\/function (\u53c2\u6570\u5217\u8868) of object;<\/pre>\n<p>\u5728\u5b9e\u8df5\u4e2d\uff0c\u4f60\u53ef\u4ee5\u7528 absolute \u5173\u952e\u5b57\u6765\u53d6\u51fa\u7c7b\u7684\u6210\u5458\u51fd\u6570\u7684 Code \u548c Data \u7684\u503c\uff0cData \u5b9e\u9645\u4e0a\u5c31\u662f\u5bf9\u8c61\u7684\u5b9e\u4f8b\u5730\u5740\u3002Delphi \u4e2d\u7684\u4e8b\u4ef6\u4e00\u822c\u6765\u8bf4\u90fd\u662f\u6b64\u7c7b\u56de\u8c03\uff0c\u8981\u6c42\u4e8b\u4ef6\u54cd\u5e94\u51fd\u6570\u662f\u7c7b\u7684\u6210\u5458\u51fd\u6570\u3002<\/li>\n<li>\u533f\u540d\u51fd\u6570<br \/>\n\u533f\u540d\u51fd\u6570 Delphi \u5b9e\u4f8b\u4e0a\u662f\u901a\u8fc7\u63a5\u53e3\u6765\u5b9e\u73b0\u7684\uff0c\u5f53\u4f60\u58f0\u660e\u4e00\u4e2a\u533f\u540d\u51fd\u6570\u7c7b\u578b\u65f6\uff0c\u5b9e\u9645\u4e0a\u662f\u58f0\u660e\u4e86\u4e00\u4e2a\u63a5\u53e3\u3002\u6bd4\u5982\u6211\u4eec\u770b Delphi \u4e0b\u9762\u7684\u533f\u540d\u51fd\u6570\u58f0\u660e\uff1a<\/p>\n<pre class=\"lang:delphi decode:true \">TA=reference to procedure (x:Integer);<\/pre>\n<p>\u5b9e\u9645\u4e0a\u662f\u58f0\u660e\u4e86\u4e00\u4e2a\u63a5\u53e3\uff1a<\/p>\n<pre class=\"lang:delphi decode:true \">TA=interface\r\n   procedure Invoke(x:Integer);\r\nend;<\/pre>\n<p>\u7136\u540e\u5f53\u4f60\u5b9e\u73b0\u4e00\u4e2a\u533f\u540d\u51fd\u6570\u65f6\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u5b9e\u73b0\u4e86\u8fd9\u4e2a\u63a5\u53e3\uff0c\u90a3\u4e2a\u533f\u540d\u51fd\u6570\u9075\u5b88\u63a5\u53e3\u7684\u4e00\u5207\u89c4\u5219\u3002Delphi \u4e3a\u4f60\u9690\u85cf\u4e86\u5185\u90e8\u7684\u4e00\u5207\u7ec6\u8282~~~<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Delphi \u652f\u6301\u4e09\u79cd\u5f62\u5f0f\u7684\u56de\u8c03\u51fd\u6570\uff1a  [&hellip;]<\/p>\n","protected":false},"author":1,"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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8,603],"tags":[728,317],"class_list":["post-4595","post","type-post","status-publish","format-standard","hentry","category-delphi","category-603","tag-728","tag-317"],"views":6004,"_links":{"self":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/4595","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4595"}],"version-history":[{"count":2,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/4595\/revisions"}],"predecessor-version":[{"id":4597,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/4595\/revisions\/4597"}],"wp:attachment":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}