{"id":5805,"date":"2024-05-23T14:39:53","date_gmt":"2024-05-23T06:39:53","guid":{"rendered":"https:\/\/blog.qdac.cc\/?p=5805"},"modified":"2024-05-23T14:45:07","modified_gmt":"2024-05-23T06:45:07","slug":"%e6%95%99%e7%a8%8b%e4%bd%bf%e7%94%a8-qjson-%e8%a7%a3%e6%9e%90-jsonl-%e6%a0%bc%e5%bc%8f%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=5805","title":{"rendered":"[\u6559\u7a0b]\u4f7f\u7528 QJson \u89e3\u6790 JsonL \u683c\u5f0f\u6570\u636e"},"content":{"rendered":"\n

QJson \u5728\u65e9\u671f\u8bbe\u8ba1\u65f6\u5c31\u652f\u6301\u5757\u89e3\u6790\uff0cJsonL \u53ea\u662f\u4e00\u79cd\u7279\u6b8a\u7684 Json \u5757\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5176\u4e2d\u7684 ParseBlock \u51fd\u6570\u6765\u5b8c\u6210\u5bf9 JsonL \u7684\u652f\u6301\u3002<\/p>\n\n\n\n

ParseBlock \u63d0\u4f9b\u4e24\u79cd\u91cd\u8f7d\uff0c\u5982\u679c\u662f\u4e00\u4e2a\u5185\u5b58\u7684 JsonL \u683c\u5f0f\u7684\u6570\u636e\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u7528\u4e0b\u9762\u7684\u4ee3\u7801\uff1a<\/p>\n\n\n\n

var\n  AJsonL:UnicodeString;\n  p,ps:PWideChar;\n  AJson:TQJson;\nbegin\n  AJsonL:='{\"a\":1223,\"b\":true}{\"a\":987,\"b\":false}\";\n  p:=PWideChar(AJsonL);\n  ps:=p;\n  AJson:=AcquireJson;\n  while p^<>#0 do\n  begin\n    if AJson.TryParseBlock(p) then\n    begin\n      \/\/\u5904\u7406\u4ee3\u7801\n    end\n    else\n    begin\n      \/\/\u89e3\u6790\u5931\u8d25\n    end;\n  end;\nend;<\/code><\/pre>\n\n\n\n
\u5982\u679c\u662f\u4e00\u4e2a\u6d41\u5bf9\u8c61\uff0c\u5219\u7c7b\u4f3c\u4e0a\u9762\u5faa\u73af\uff0c\u53ea\u4e0d\u8fc7\u6539\u6210\u4e0b\u9762\u7684\u91cd\u8f7d\u5c31\u53ef\u4ee5\u3002 <\/p>\n\n\n\n
procedure ParseBlock(AStream: TStream; AEncoding: TTextEncoding);<\/code><\/pre>\n\n\n\n
...\nrepeat\n   AJson.ParseBlock(AStream);\n   ....\nuntil AStream.Position=AStream.Size;\n...\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
QJson \u5728\u65e9\u671f\u8bbe\u8ba1\u65f6\u5c31\u652f\u6301\u5757\u89e3\u6790\uff0cJ […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","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],"tags":[],"class_list":["post-5805","post","type-post","status-publish","format-standard","hentry","category-delphi"],"views":1619,"_links":{"self":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/5805","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=5805"}],"version-history":[{"count":2,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/5805\/revisions"}],"predecessor-version":[{"id":5808,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/5805\/revisions\/5808"}],"wp:attachment":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}