{"id":4964,"date":"2018-10-29T21:18:46","date_gmt":"2018-10-29T13:18:46","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=4964"},"modified":"2018-10-29T21:18:46","modified_gmt":"2018-10-29T13:18:46","slug":"%e6%95%99%e7%a8%8bdelphi-10-3-%e6%96%b0%e7%89%b9%e6%80%a7%ef%bc%9a%e5%86%85%e8%81%94%e5%8f%98%e9%87%8f","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=4964","title":{"rendered":"[\u6559\u7a0b]Delphi 10.3 \u65b0\u7279\u6027\uff1a\u5185\u8054\u53d8\u91cf"},"content":{"rendered":"

\u7b80\u8bd1\u81ea Macro\u00a0\u6280\u672f\u535a\u5ba2<\/p>\n

\u7b80\u5355\u4e00\u53e5\u8bdd\uff1aDelphi\u00a0\u7ec8\u4e8e\u4e0d\u7528\u975e\u5c06\u53d8\u91cf\u5b9a\u4e49\u5728\u51fd\u6570\u7684\u5f00\u5934\u4f4d\u7f6e\u4e86\u3002<\/p>\n

\u62d3\u5c55\u5f00\u6765\uff1a<\/p>\n

1\u3001\u60a8\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528\u53d8\u91cf\u65f6\uff0c\u901a\u8fc7\u4e0b\u9762\u7684\u683c\u5f0f\u6765\u5b9a\u4e49\u53d8\u91cf\uff1a<\/p>\n

var\u00a0\u53d8\u91cf\u540d[:\u53d8\u91cf\u7c7b\u578b][:=\u53d8\u91cf\u503c]<\/p>\n

\u793a\u4f8b\u4e00\uff1a<\/p>\n

procedure Test;\r\nbegin\r\n  var I, J: Integer;\r\n  I := 22;\r\n  j := I + 20;\r\n  ShowMessage (J.ToString);\r\nend;<\/pre>\n
\u793a\u4f8b2\uff1a<\/p>\n
procedure Test; \/\/ declaration and initialization in a single statement\r\nbegin\r\n  var I: Integer := 22;\r\n  ShowMessage (I.ToString);\r\nend;<\/pre>\n
\u793a\u4f8b3\uff1a<\/p>\n
procedure Test1; \/\/ multiple inline declarations (symbols declared when used)\r\nbegin\r\n  var I: Integer := 22;\r\n  var J: Integer := 22 + I;\r\n  var K: Integer := I + J;\r\n  ShowMessage (K.ToString);\r\nend;<\/pre>\n
2\u3001\u5185\u8054\u53d8\u91cf\u7684\u751f\u547d\u5468\u671f\u548cC++\u4e00\u6837\uff0c\u4ec5\u5728\u65b9\u5bf8\u4e4b\u95f4\uff0c\u5982 begin\/end\u00a0\u4e4b\u95f4\uff0c\u5faa\u73af\u4f53\u5185\u7b49\u3002<\/p>\n
3\u3001\u5982\u679c\u4e0d\u6307\u7c7b\u53d8\u91cf\u7684\u7c7b\u578b\uff0c\u4f1a\u6839\u636e\u8d4b\u503c\u7684\u7c7b\u578b\u8fdb\u884c\u63a8\u65ad\uff0c\u76f8\u5f53\u4e8e C++ \u7684 auto\u00a0\u7c7b\u578b\u3002<\/p>\n
4\u3001\u5e38\u91cf\u4e5f\u53ef\u4ee5\u5185\u8054\u4e86\uff0c\u53ea\u4e0d\u8fc7\u5c06 var\u00a0\u6362\u6210 const \uff0c\u5176\u5b83\u4e00\u81f4\u3002<\/p>\n
Over\uff0c\u6536\u5de5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7b80\u8bd1\u81ea Macro\u00a0\u6280\u672f\u535a\u5ba2 \u7b80\u5355\u4e00\u53e5\u8bdd […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","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":[759],"class_list":["post-4964","post","type-post","status-publish","format-standard","hentry","category-delphi","category-603","tag-759"],"views":7002,"_links":{"self":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/4964","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=4964"}],"version-history":[{"count":1,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/4964\/revisions"}],"predecessor-version":[{"id":4965,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/4964\/revisions\/4965"}],"wp:attachment":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}