{"id":537,"date":"2024-02-01T23:42:06","date_gmt":"2024-02-01T15:42:06","guid":{"rendered":"https:\/\/www.ientertech.com\/blog\/?p=537"},"modified":"2024-02-02T00:02:35","modified_gmt":"2024-02-01T16:02:35","slug":"lazarus%e5%b8%b8%e7%94%a8%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.ienter.com.cn\/blog\/2024\/02\/lazarus%e5%b8%b8%e7%94%a8%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b.html","title":{"rendered":"Lazarus\u5e38\u7528\u6570\u636e\u7c7b\u578b"},"content":{"rendered":"

Lazarus\u662f\u57fa\u4e8eFreePascal\u8bed\u8a00\u7684\uff0c\u652f\u6301\u7684\u6570\u636e\u7c7b\u578b\u5982\u4e0b\uff1a<\/p>\n

\u5b57\u7b26\u6216\u5b57\u7b26\u4e32\u90fd\u4f7f\u7528\u5355\u5f15\u53f7\uff0cFPC\u4e0d\u652f\u6301\u53cc\u5f15\u53f7<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u6574\u6570\u7c7b\u578b<\/b><\/caption>\n
\u7c7b\u578b<\/th>\n\u8303\u56f4<\/th>\n\u6240\u5360\u5b57\u8282\u6570<\/th>\n<\/tr>\n
Byte<\/td>\n0 .. 255<\/td>\n1<\/td>\n<\/tr>\n
Shortint<\/td>\n-128 .. 127<\/td>\n1<\/td>\n<\/tr>\n
Smallint<\/td>\n-32768 .. 32767<\/td>\n2<\/td>\n<\/tr>\n
Word<\/td>\n0 .. 65535<\/td>\n2<\/td>\n<\/tr>\n
Integer<\/td>\nsmallint\u6216longint<\/td>\n2 \u6216 4<\/td>\n<\/tr>\n
Cardinal<\/td>\nlongword<\/td>\n4<\/td>\n<\/tr>\n
Longint<\/td>\n-2147483648 .. 2147483647<\/td>\n4<\/td>\n<\/tr>\n
Longword<\/td>\n0..4294967295<\/td>\n4<\/td>\n<\/tr>\n
Int64<\/td>\n-9223372036854775808 .. 9223372036854775807<\/td>\n8<\/td>\n<\/tr>\n
QWord<\/td>\n0 .. 18446744073709551615<\/td>\n8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5982\u679c\u5728\u8868\u8fbe\u5f0f\u4e2d\u6df7\u5408\u4f7f\u7528\u4e0d\u540c\u7c7b\u578b\u7684\u6574\u6570\uff0cFree Pascal\u4f1a\u6267\u884c\u81ea\u52a8\u7c7b\u578b\u8f6c\u6362.<\/p>\n\n\n\n\n\n\n\n\n\n
\u5b9e\u6570\u7c7b\u578b<\/b><\/caption>\n
\u7c7b\u578b<\/th>\n\u8303\u56f4<\/th>\n\u6709\u6548\u6570\u5b57<\/th>\n\u6240\u5360\u5b57\u8282\u6570<\/th>\n<\/tr>\n
Real<\/td>\n\u5404\u5e73\u53f0\u4e0d\u540c<\/td>\n???<\/td>\n4 or 8<\/td>\n<\/tr>\n
Single<\/td>\n1.5E-45 .. 3.4E38<\/td>\n7-8<\/td>\n4<\/td>\n<\/tr>\n
Double<\/td>\n5.0E-324 .. 1.7E308<\/td>\n15-16<\/td>\n8<\/td>\n<\/tr>\n
Extended<\/td>\n1.9E-4932 .. 1.1E4932<\/td>\n19-20<\/td>\n10<\/td>\n<\/tr>\n
Comp<\/td>\n-2E64+1 .. 2E63-1<\/td>\n19-20<\/td>\n8<\/td>\n<\/tr>\n
Currency<\/td>\n-922337203685477.5808<\/td>\n922337203685477.5807<\/td>\n8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n
\u5e03\u5c14\u7c7b\u578b<\/b><\/caption>\n
\u7c7b\u578b<\/th>\n\u6240\u5360\u5b57\u8282\u6570<\/th>\nOrd(True)<\/th>\n<\/tr>\n
Boolean<\/td>\n1<\/td>\n1<\/td>\n<\/tr>\n
ByteBool<\/td>\n1<\/td>\n\u4efb\u610f\u975e\u96f6\u6570<\/td>\n<\/tr>\n
WordBool<\/td>\n2<\/td>\n\u4efb\u610f\u975e\u96f6\u6570<\/td>\n<\/tr>\n
LongBool<\/td>\n4<\/td>\n\u4efb\u610f\u975e\u96f6\u6570<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5b57\u7b26\u548c\u5b57\u7b26\u4e32<\/p>\n

char\u7c7b\u578b\u5b58\u50a8\u5b57\u7b26\u3002\u8bb0\u4f4f\u8981\u628a\u5b57\u7b26\u7528\u5355\u5f15\u53f7\u62ec\u8d77\u6765\uff0c\u50cf\u8fd9\u6837\uff1a'a' 'B' '+'\u3002\u6807\u51c6Pascal\u4f7f\u75288\u4f4d\u5b57\u7b26\uff0c\u800c\u975e16\u4f4d\u5b57\u7b26\uff0c\u6240\u4ee5Unicode\u8fd9\u79cd\u7528\u6765\u5728\u4e00\u4e2a\u7edf\u4e00\u7f16\u7801\u4f53\u7cfb\u91cc\u8868\u793a\u4e16\u754c\u4e0a\u6240\u6709\u8bed\u8a00\u5b57\u7b26\u96c6\u7684\u7f16\u7801\u662f\u4e0d\u53d7\u652f\u6301\u7684\u3002
\nWideChar\u662f\u4e00\u79cd\u53cc\u5b57\u8282\u5b57\u7b26\uff08\u662f\u5c5e\u4e8eDBCS\u53cc\u5b57\u8282\u5b57\u7b26\u96c6\u7684\u5143\u7d20\uff09\uff0c\u80fd\u7528\u6765\u5b58\u50a8unicode\u5b57\u7b26\u3002
\nPChar\u7c7b\u578b\uff0cPChar\u88ab\u5b9a\u4e49\u4e3aChar\u7c7b\u578b\u7684\u6307\u9488\uff0c\u4f46\u5b83\u8fd8\u5177\u6709\u4e00\u4e9b\u989d\u5916\u7684\u7279\u6027\u3002\u5bf9PChar\u7c7b\u578b\u6700\u597d\u7684\u7406\u89e3\u5c31\u662f\u5c06\u5176\u7b49\u4ef7\u4e8eC\u98ce\u683c\u7a7a\u7ed3\u5c3e\u5b57\u7b26\u4e32\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0cPChar\u7c7b\u578b\u7684\u53d8\u91cf\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u6307\u5411Char\u6570\u7ec4\u7684\u6307\u9488\uff0c\u5e76\u4e14\u8fd9\u4e2a\u6570\u7ec4\u4ee5\u7a7a\u5b57\u7b26\uff08#0\uff09\u7ed3\u5c3e\u3002Free Pascal\u652f\u6301PChar\u578b\u5e38\u91cf\u7684\u521d\u59cb\u5316\u548c\u76f4\u63a5\u8d4b\u503c\u3002\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u4e24\u6bb5\u4ee3\u7801\u662f\u7b49\u6548\u7684\uff1a
\nString\u7c7b\u578b\uff1a\u82e5\u5e72\u5b57\u7b26\u7684\u4e00\u4e2a\u5e8f\u5217\uff0c\u5e26\u6709\u53ef\u9009\u7684\u5c3a\u5bf8\u89c4\u683c\u3002
\nShortString\u7c7b\u578b\u662f\u957f\u5ea6\u4e3a255\u7684string\u7c7b\u578b\uff1astring\u6216string[length] 1 < length <= 255
\nAnsiStrings\u662f\u4e00\u79cd\u6ca1\u6709\u957f\u5ea6\u9650\u5236\u7684\u5b57\u7b26\u4e32\u7c7b\u578b\u3002\u8fd9\u79cd\u7c7b\u578b\u662f\u5f15\u7528\u8ba1\u6570\u7684\uff0c\u800c\u4e14\u80fd\u786e\u4fdd\u4ee5\u7a7a\u5b57\u7b26\u7ed3\u5c3e\u3002\u5728\u8ba1\u7b97\u673a\u5185\u90e8\uff0c\u4e00\u4e2aansistring\u88ab\u5f53\u505a\u4e00\u4e2a\u6307\u9488\uff1a\u5b57\u7b26\u4e32\u7684\u5b9e\u9645\u5185\u5bb9\u5b58\u653e\u5728\u5806\u4e2d\uff0c\u5185\u5bb9\u9700\u8981\u5360\u7528\u591a\u5c11\u5185\u5b58\u5c31\u5206\u914d\u4e86\u591a\u5c11\u5185\u5b58\u3002
\nWidestrings\uff08\u7528\u4e8e\u8868\u793aunicode\u5b57\u7b26\u4e32\uff09\u548cansistring\u7684\u5b9e\u73b0\u65b9\u5f0f\u975e\u5e38\u76f8\u4f3c\uff1a\u5f15\u7528\u8ba1\u6570\uff0c\u7a7a\u5b57\u7b26\u7ed3\u5c3e\u7684\u6570\u7ec4\uff0c\u4e0d\u540c\u7684\u53ea\u662f\u540e\u8005\u662f\u7528WideChars\u6570\u7ec4\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u7684\uff0c\u800c\u975e\u901a\u5e38\u7684Chars\u3002
\nboolean\u7c7b\u578b\u53ea\u6709\u4e24\u4e2a\u503c\uff1aTRUE\u548cFALSE<\/p>\n","protected":false},"excerpt":{"rendered":"

Lazarus\u662f\u57fa\u4e8eFreeP...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[64],"class_list":["post-537","post","type-post","status-publish","format-standard","hentry","category-develop","tag-lazarus"],"_links":{"self":[{"href":"https:\/\/www.ienter.com.cn\/blog\/wp-json\/wp\/v2\/posts\/537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ienter.com.cn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ienter.com.cn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ienter.com.cn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ienter.com.cn\/blog\/wp-json\/wp\/v2\/comments?post=537"}],"version-history":[{"count":4,"href":"https:\/\/www.ienter.com.cn\/blog\/wp-json\/wp\/v2\/posts\/537\/revisions"}],"predecessor-version":[{"id":542,"href":"https:\/\/www.ienter.com.cn\/blog\/wp-json\/wp\/v2\/posts\/537\/revisions\/542"}],"wp:attachment":[{"href":"https:\/\/www.ienter.com.cn\/blog\/wp-json\/wp\/v2\/media?parent=537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ienter.com.cn\/blog\/wp-json\/wp\/v2\/categories?post=537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ienter.com.cn\/blog\/wp-json\/wp\/v2\/tags?post=537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}