{"id":2635,"date":"2015-07-05T22:00:52","date_gmt":"2015-07-05T14:00:52","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=2635"},"modified":"2015-07-06T08:44:22","modified_gmt":"2015-07-06T00:44:22","slug":"qworker-%e4%b8%80%e4%b8%aa%e7%ae%80%e5%8d%95%e7%9a%84%e5%b0%81%e8%a3%85%ef%bc%8c%e8%ae%a9%e4%bd%a0%e5%8f%af%e4%bb%a5%e5%9c%a8%e4%bd%9c%e4%b8%9a%e5%ae%8c%e6%88%90%e6%97%b6%e8%b0%83%e7%94%a8%e5%a4%84","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=2635","title":{"rendered":"QWorker\u6f14\u793a-\u5728\u4f5c\u4e1a\u5b8c\u6210\u65f6\u81ea\u52a8\u8c03\u7528\u5904\u7406\u51fd\u6570"},"content":{"rendered":"<p>\u7fa4\u91cc\u6709\u597d\u51e0\u4e2a\u670b\u53cb\u8981\u8fd9\u4e2a\u4e1c\u897f\uff0c\u6211\u4e00\u76f4\u89c9\u5f97\u4e0d\u5982\u76f4\u63a5\u5728\u4f5c\u4e1a\u4e2d\u81ea\u5df1\u8c03\u7528\u7684\u597d\u3002\u4eca\u665a\u963f\u6728\u518d\u6b21\u63d0\u8d77\uff0c\u5c31\u51b3\u5b9a\u5199\u4e00\u4e2a\u8f85\u52a9\u7c7b\u7ed9\u5927\u5bb6\uff0c\u4f9b\u5927\u5bb6\u53c2\u8003\u6539\u8fdb\u3002\u8fd9\u4e2a\u529f\u80fd\u5c31\u4e0d\u96c6\u6210\u5230 QWorker \u91cc\u4e86\uff0c\u505a\u4e3a\u4e00\u4e2a\u6269\u5c55\u5b58\u5728\u5427\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u5168\u90e8\u4ee3\u7801\uff1a<\/p>\n<pre class=\"lang:delphi decode:true \">type\r\n  TQInlineJob = class\r\n  protected\r\n    FJobProc: TQJobProcA;\r\n    FJobCompleteProc: TQJobProcA;\r\n    FData: Pointer;\r\n    FFreeType: TQJobDataFreeType;\r\n    procedure DoJob(AJob: PQJob);\r\n    procedure DoJobDone(AJob: PQJob);\r\n  public\r\n    constructor Create(AJobProc, ACompleteProc: TQJobProcA; AData: Pointer;\r\n      ARunInMainThread: Boolean; AFreeType: TQJobDataFreeType); overload;\r\n    destructor Destroy; override;\r\n  end;\r\n  { TQInlineJob }\r\n\r\nconstructor TQInlineJob.Create(AJobProc, ACompleteProc: TQJobProcA;\r\n  AData: Pointer; ARunInMainThread: Boolean; AFreeType: TQJobDataFreeType);\r\nbegin\r\n  inherited Create;\r\n  FJobProc := AJobProc;\r\n  FJobCompleteProc := ACompleteProc;\r\n  case AFreeType of\r\n    jdfFreeAsObject:\r\n      TObject(FData) := AData;\r\n    jdfFreeAsInterface:\r\n      begin\r\n        FData := AData;\r\n        IUnknown(AData)._AddRef;\r\n      end\r\n  else\r\n    FData := AData;\r\n  end;\r\n  FFreeType := AFreeType;\r\n  Workers.Post(DoJob, Self, ARunInMainThread, jdfFreeAsObject);\r\nend;\r\n\r\ndestructor TQInlineJob.Destroy;\r\nbegin\r\n  if Assigned(FData) and (FFreeType &lt;&gt; jdfFreeByUser) then\r\n  begin\r\n    case FFreeType of\r\n      jdfFreeAsObject:\r\n        TObject(FData) := nil;\r\n      jdfFreeAsSimpleRecord:\r\n        Dispose(FData);\r\n      jdfFreeAsInterface:\r\n        IInterface(FData)._Release;\r\n    else\r\n      Workers.OnCustomFreeData(Workers, FFreeType, FData);\r\n    end;\r\n  end;\r\n  inherited;\r\nend;\r\n\r\nprocedure TQInlineJob.DoJob(AJob: PQJob);\r\nbegin\r\n  try\r\n    AJob.Data := FData;\r\n    if Assigned(FJobProc) then\r\n      FJobProc(AJob);\r\n    DoJobDone(AJob);\r\n  except\r\n    on E: Exception do\r\n      DoJobDone(AJob);\r\n  end;\r\n  AJob.Data := Self;\r\nend;\r\n\r\nprocedure TQInlineJob.DoJobDone(AJob: PQJob);\r\nbegin\r\n  if Assigned(FJobCompleteProc) then\r\n    FJobCompleteProc(AJob);\r\nend;\r\n\r\nprocedure InlineJob(AJobProc, ACompleteProc: TQJobProcA; AData: Pointer;\r\n  ARunInMainThread: Boolean; AFreeType: TQJobDataFreeType);\r\nbegin\r\n  TQInlineJob.Create(AJobProc, ACompleteProc, AData, ARunInMainThread,\r\n    AFreeType);\r\nend;<\/pre>\n<p>\u4e0b\u9762\u662f\u8c03\u7528\u7684\u65b9\u5f0f\uff1a<\/p>\n<pre class=\"lang:delphi decode:true \">procedure TForm1.Button1Click(Sender: TObject);\r\nbegin\r\n  InlineJob(\r\n    procedure(AJob: PQJob)\r\n    begin\r\n      Memo1.Lines.Add('Job Executed,Data:' + IntToStr(IntPtr(AJob.Data)));\r\n    end,\r\n    procedure(AJob: PQJob)\r\n    begin\r\n      Memo1.Lines.Add('Job has done' + IntToStr(IntPtr(AJob.Data)));\r\n    end, Pointer(100), True, jdfFreeByUser);\r\nend;<\/pre>\n<p>\u6267\u884c\u7684\u6548\u679c\uff1a<\/p>\n<p><a href=\"https:\/\/blog.qdac.cc\/wp-content\/uploads\/2015\/07\/inlinejob.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2636\" src=\"https:\/\/blog.qdac.cc\/wp-content\/uploads\/2015\/07\/inlinejob.jpg\" alt=\"inlinejob\" width=\"463\" height=\"240\" srcset=\"https:\/\/blog.qdac.cc\/wp-content\/uploads\/2015\/07\/inlinejob.jpg 463w, https:\/\/blog.qdac.cc\/wp-content\/uploads\/2015\/07\/inlinejob-300x156.jpg 300w\" sizes=\"auto, (max-width: 463px) 100vw, 463px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7fa4\u91cc\u6709\u597d\u51e0\u4e2a\u670b\u53cb\u8981\u8fd9\u4e2a\u4e1c\u897f\uff0c\u6211\u4e00\u76f4\u89c9\u5f97\u4e0d [&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 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