{"id":3747,"date":"2016-03-31T08:59:55","date_gmt":"2016-03-31T00:59:55","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=3747"},"modified":"2016-04-05T11:24:32","modified_gmt":"2016-04-05T03:24:32","slug":"qplugins-dll-%e4%b8%ad%e6%8f%92%e4%bb%b6%e6%8f%90%e4%be%9b%e7%aa%97%e5%8f%a3%e6%9c%8d%e5%8a%a1%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=3747","title":{"rendered":"[QPlugins] DLL \u4e2d\u63d2\u4ef6\u63d0\u4f9b\u7a97\u53e3\u670d\u52a1\u6307\u5357"},"content":{"rendered":"

QPlugins \u4e3a\u4e86\u7b80\u5316\u5927\u5bb6\u5f00\u53d1\u5e26\u6709\u7a97\u4f53\u7684\u63d2\u4ef6\uff0c\u63d0\u4f9b\u4e86 IQFormService \u63a5\u53e3\u7684\u5c01\u88c5\u5b9e\u73b0\u3002\u8981\u4f7f\u7528\u8be5\u63a5\u53e3\uff0c\u9700\u8981\u6309\u4ee5\u4e0b\u6b65\u9aa4\u6267\u884c\uff1a<\/p>\n

\u3010\u5bbf\u4e3b\u7a0b\u5e8f\u3011<\/h4>\n

1\u3001\u5982\u679c\u5bbf\u4e3b\u7a0b\u5e8f\u662f VCL \u7a0b\u5e8f\uff0c\u5728\u67d0\u4e2a\u6a21\u5757\u7684 uses \u5c0f\u8282\uff0c\u52a0\u5165 qplugins.vcl.messages \u5355\u5143\uff0c\u4ee5\u4fbf\u5f15\u5165\u5bf9 Windows \u6d88\u606f\u7684\u6269\u5c55\u652f\u6301\u670d\u52a1\uff1b\u5982\u679c\u5bbf\u4e3b\u7a0b\u5e8f\u662f FMX \u7a0b\u5e8f\uff0c\u5219\u5f15\u7528 qplugins.fmx.messages \u5355\u5143\u3002<\/p>\n

2\u3001\u91cd\u65b0\u7f16\u8bd1\u5bbf\u4e3b\u7a0b\u5e8f\uff1b<\/p>\n

\u3010\u63d2\u4ef6\u3011<\/h4>\n

1\u3001VCL \u7a97\u4f53\u5728\u7a97\u4f53\u5b9e\u73b0\u5355\u5143\u7684 uses \u91cc\uff0c\u52a0\u5165 qplugins \u548c qplugins.vcl.formsvc\uff0cFMX \u7a97\u4f53\u5728\u7a97\u4f53\u5b9e\u73b0\u5355\u5143\u7684 uses \u91cc\uff0c\u52a0\u5165 qplugins \u548c qplugins.fmx.formsvc\u3002<\/p>\n

2\u3001\u5728\u7a97\u4f53\u7684 initialization \u5c0f\u8282\uff0c\u52a0\u5165\u5bf9 RegisterFormService \u7684\u8c03\u7528\u6765\u6ce8\u518c\u7a97\u4f53\u670d\u52a1\uff0c\u8be5\u51fd\u6570\u7684\u58f0\u660e\u5982\u4e0b\uff1a<\/p>\n

\/\/\/ <summary>\u6ce8\u518c\u4e00\u4e2aIQFormService\u670d\u52a1<\/summary>\r\n\/\/\/ <param name=\"APath\">\u670d\u52a1\u6ce8\u518c\u7684\u7236\u7ed3\u70b9\uff0c\u7528\u6237\u53ef\u4ee5\u81ea\u5b9a\u4e49\uff0c\u63a8\u8350\/Services\/Forms<\/param>\r\n\/\/\/ <param name=\"AName\">\u670d\u52a1\u7684\u540d\u79f0<\/param>\r\n\/\/\/ <param name=\"AClass\">\u7a97\u4f53\u7c7b\u578b<\/param>\r\n\/\/\/ <param name=\"AMultiInstance\">\u662f\u5426\u662f\u591a\u5b9e\u4f8b<\/param>\r\nprocedure RegisterFormService(const APath, AName: QStringW; AClass: TFormClass;AMultiInstance: Boolean = True); overload;\r\n\/\/\/ <summary>\u6ce8\u518c\u4e00\u4e2a\u5355\u5b9e\u4f8b\u670d\u52a1<\/summary>\r\n\/\/\/ <param name=\"APath\">\u670d\u52a1\u6ce8\u518c\u7684\u7236\u7ed3\u70b9\uff0c\u7528\u6237\u53ef\u4ee5\u81ea\u5b9a\u4e49\uff0c\u63a8\u8350\/Services\/Forms<\/param>\r\n\/\/\/ <param name=\"AName\">\u670d\u52a1\u7684\u540d\u79f0<\/param>\r\n\/\/\/ <param name=\"AForm\">\u5171\u4eab\u7684\u7a97\u4f53\u5b9e\u4f8b<\/param>\r\nprocedure RegisterFormService(const APath, AName: QStringW;AForm: TForm); overload;<\/pre>\n
\u4e24\u4e2a\u91cd\u8f7d\uff0c\u7b2c\u4e00\u4e2a\u4f7f\u7528\u7a97\u4f53\u7c7b\u578b\u6ce8\u518c\uff0c\u53ef\u4ee5\u6ce8\u518c\u5355\u5b9e\u4f8b\u6216\u591a\u5b9e\u4f8b\u670d\u52a1\u7684\u7a97\u4f53\uff08\u53d6\u51b3 \u4e8eAMutiInstance\u53c2\u6570\uff09\uff0c\u7b2c\u4e8c\u4e2a\u5219\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\uff0c\u76f4\u63a5\u542f\u52a8\u4e00\u4e2a\u5168\u5c40\u5171\u4eab\u7684\u5355\u5b9e\u4f8b\u7a97\u4f53\u670d\u52a1\uff0c\u8fd9\u4e2a\u5b9e\u4f8b\u5728\u6574\u4e2a\u7a0b\u5e8f\u8fd0\u884c\u9636\u6bb5\u90fd\u662f\u5b58\u5728\uff0c\u9664\u975e\u53d6\u6d88\u670d\u52a1\u6ce8\u518c\u3002<\/p>\n
3\u3001\u5728\u7a97\u4f53\u7684 finalization \u5c0f\u8282\uff0c\u8c03\u7528 UnregisterServices \u6765\u53d6\u6d88\u7a97\u4f53\u670d\u52a1\u7684\u6ce8\u518c\uff1b<\/p>\n
4\u3001\u91cd\u65b0\u7f16\u8bd1\u63d2\u4ef6<\/p>\n
\u3010\u5df2\u77e5\u95ee\u9898\u3011<\/h4>\n
FMX \u63d2\u4ef6\u9000\u51fa\u65f6\u4f1a\u6709\u5f02\u5e38\uff0c\u5176\u5b83\u5de5\u4f5c\u6b63\u5e38\uff0c\u800c\u6839\u636e\u76ee\u524d\u80fd\u591f\u8c03\u8bd5\u5230\u7684\u4fe1\u606f\u770b\uff0c\u5e94\u8be5\u662f Delphi \u81ea\u5df1\u7684Bug\u3002\u7531\u6b64\uff0c\u7a0b\u5e8f\u4e5f\u5c31\u65e0\u6cd5\u52a8\u6001\u94fe\u63a5 FMX \u63d2\u4ef6\uff0c\u5728\u5173\u95ed\u65f6\uff0c\u53ef\u4ee5\u8c03\u7528 TerminateProcess \u6765\u5f3a\u5236\u7ed3\u675f\u8fdb\u7a0b\uff0c\u4ee5\u907f\u514d\u7a0b\u5e8f\u9000\u51fa\u65f6\uff0c\u7531\u4e8e\u65e0\u6cd5\u5378\u8f7d FMX \u7684 DLL \u63d2\u4ef6\u9020\u6210\u7684\u5f02\u5e38\u63d0\u793a\u3002<\/p>\n
\u3010\u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u7b54\u3011<\/h4>\n
1\u3001\u5982\u4f55\u5728\u7a97\u4f53\u663e\u793a\u524d\uff0c\u7ed9\u7a97\u4f53\u670d\u52a1\u4f20\u9012\u53c2\u6570\uff1f<\/strong><\/p>\n
\u8981\u4f20\u9012\u53c2\u6570\u7ed9\u670d\u52a1\u7a97\u4f53\uff0c\u9700\u8981\u63d0\u4f9b\u670d\u52a1\u7684\u7a97\u4f53\u5b9e\u73b0 IQCustomAction \u63a5\u53e3\uff0c\u7136\u540e\u901a\u8fc7 IQCustomAction \u670d\u52a1 DoAction \u63a5\u53e3\u51fd\u6570\uff0c\u6267\u884c\u8c03\u7528\u3002\u8be5\u51fd\u6570\u7684\u552f\u4e00\u53c2\u6570\u662f\u4e00\u4e2a IQParams \u7684\u53c2\u6570\u5217\u8868\uff0c\u5177\u4f53\u5982\u4f55\u89e3\u91ca\u8be5\u53c2\u6570\uff0c\u7531\u670d\u52a1\u7a97\u4f53\u548c\u8c03\u7528\u670d\u52a1\u7684\u5355\u5143\u5b9e\u73b0\u3002\u5177\u4f53\u53ef\u4ee5\u67e5\u770b FormService \u793a\u4f8b\u4e2d\u7684 CustomAction \u7684\u5b9e\u73b0:<\/p>\n
[\u8c03\u7528\u7aef\u793a\u4f8b]<\/p>\n
procedure TForm1.Button4Click(Sender: TObject);\r\nvar\r\n  AFormService: IQFormService;\r\n  AButtonAction: IQCustomAction;\r\n  AParams: TQParams;\r\nbegin\r\n  if Supports(PluginsManager.ByPath('\/Services\/Docks\/Forms\/CustomAction'),\r\n    IQFormService, AFormService) then\r\n  begin\r\n    if Supports(AFormService, IQCustomAction, AButtonAction) then\r\n    begin\r\n      AParams := TQParams.Create;\r\n      AParams.Add('Caption', ptUnicodeString).AsString := '\u70b9\u6211\u770b\u770b';\r\n      AParams.Add('Message', ptUnicodeString).AsString := '\u8fd9\u662f\u5bbf\u4e3b\u7a0b\u5e8f\u4f20\u6765\u7684\u503c\u54df!';\r\n      AButtonAction.DoAction(AParams);\r\n    end;\r\n    AFormService.ShowModal(nil);\r\n  end;\r\nend;<\/pre>\n
[\u63d2\u4ef6\u7aef\u793a\u4f8b]<\/p>\n
...\r\nTForm6 = class(TForm, IQCustomAction)\r\n    ...\r\n  private\r\n    { Private declarations }\r\n    FClickMsg: String;\r\n    function DoAction(AParams: IQParams; AResult: IQParams): Boolean;\r\n  public\r\n    { Public declarations }\r\n  end;\r\n\r\nvar\r\n  Form6: TForm6;\r\n\r\nimplementation\r\n\r\n{$R *.dfm}\r\n\r\nfunction TForm6.DoAction(AParams, AResult: IQParams): Boolean;\r\nvar\r\n  ACaption, AMsg: IQParam;\r\nbegin\r\n  ACaption := AParams.ByName('Caption');\r\n  AMsg := AParams.ByName('Message');\r\n  if Assigned(ACaption) then\r\n    Button1.Caption := ParamAsString(ACaption);\r\n  if Assigned(AMsg) then\r\n    FClickMsg := ParamAsString(AMsg);\r\n  Result := True;\r\nend;<\/pre>\n
2\u3001\u4e3a\u4ec0\u4e48\u670d\u52a1\u660e\u660e\u6ce8\u518c\u662f\u7684\u591a\u5b9e\u4f8b\u7684\uff0c\u4f46\u8c03\u7528 PluginsManager.ByPath \u8fd4\u56de\u7684\u670d\u52a1\u7684 IsMultiInstance \u6d4b\u8bd5\u7ed3\u679c\u662f\u5355\u5b9e\u4f8b\u7684\uff1f<\/strong><\/p>\n
\u901a\u8fc7 ByPath \u6216\u76f4\u63a5 PluginsManager as \u5f97\u5230\u7684\u5b9e\u4f8b\u6c38\u8fdc\u662f\u5355\u5b9e\u4f8b\u7684\u3002\u8fd9\u662f\u56e0\u4e3a ByPath \u4f1a\u5728\u83b7\u53d6\u670d\u52a1\u5b9e\u4f8b\u65f6\uff0c\u8c03\u7528\u591a\u5b9e\u4f8b\u670d\u52a1\u7684 GetInstance \u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u5b9e\u4f8b\uff0c\u800c\u8fd9\u4e2a\u5b9e\u4f8b\u662f\u4e00\u4e2a\u5355\u5b9e\u4f8b\u7684\u5bf9\u8c61\uff08\u4e5f\u5c31\u662f\u8c03\u7528\u5b83\u7684 GetInstance \u63a5\u53e3\uff0c\u6c38\u8fdc\u8fd4\u56de\u7684\u662f\u81ea\u8eab\uff09\u3002\u5982\u679c\u8981\u8bbf\u95ee\u539f\u59cb\u7684\u591a\u5b9e\u4f8b\u670d\u52a1\uff0c\u8bf7\u4f7f\u7528 FindService \u65b9\u6cd5\uff0c\u5b83\u8fd4\u56de\u7684\u662f\u539f\u59cb\u7684\u591a\u5b9e\u4f8b\u7684\u670d\u52a1\u81ea\u8eab\u3002<\/p>\n
3\u3001\u4e3b\u7a0b\u5e8f\u548c\u63d2\u4ef6\u662f\u4e0d\u662f\u5fc5\u9700\u5f15\u7528 qplugins.xxx.messages \u5355\u5143\uff1f<\/strong><\/p>\n
\u5982\u679c\u4f60\u7684\u5bbf\u4e3b\u7a0b\u5e8f\u548c\u63d2\u4ef6\u90fd\u662fVCL\uff0c\u5e76\u4e14\u5171\u4eab\u76f8\u540c\u7684rtl+vcl \u7684 BPL \u5e93\uff0c\u90a3\u4e48\u4e0d\u9700\u8981\u3002\u5426\u5219\uff0c\u4f60\u5e94\u5f53\u4f1a\u9700\u8981\u5b83\uff08\u5f53\u7136\u4f60\u53ef\u4ee5\u518d\u9020\u4e00\u904d\u8f66\uff09\uff0c\u4ee5\u4fbf\u63d0\u4f9b\u7edf\u4e00\u7684\u6d88\u606f\u5904\u7406\u3002\u7b80\u5355\u603b\u7ed3\u51e0\u79cd\u60c5\u51b5\uff1a<\/p>\n
    \n
  • \u4e3b\u7a0b\u5e8f\u662fVCL\uff0c\u63d2\u4ef6\u53ef\u80fd\u662f FMX \u7684\uff1b<\/li>\n
  • \u4e3b\u7a0b\u5e8f\u662fVCL\uff0c\u4f46\u662f\u4e0d\u5e26\u5305\u7f16\u8bd1\u7684\uff1b<\/li>\n
  • \u4e3b\u7a0b\u5e8f\u662fVCL\uff0c\u4f46\u63d2\u4ef6\u53ef\u80fd\u6709\u4e0d\u5e26\u5305\u7f16\u8bd1\u7684\uff1b<\/li>\n
  • \u4e3b\u7a0b\u5e8f\u662fVCL\uff0c\u4f46\u63d2\u4ef6\u548c\u4e3b\u7a0b\u5e8f\u4e0d\u662f\u540c\u4e00\u7248\u672c\u7684IDE\u7f16\u8bd1\u7684\uff1b<\/li>\n
  • \u4e3b\u7a0b\u5e8f\u662fFMX\uff0c\u63d2\u4ef6\u53ef\u80fd\u662f VCL \u7684\uff1b<\/li>\n
  • \u4e3b\u7a0b\u5e8f\u662fFMX\uff0c\u4f46\u662f\u4e0d\u5e26\u5305\u7f16\u8bd1\u7684\uff1b<\/li>\n
  • \u4e3b\u7a0b\u5e8f\u662fFMX\uff0c\u4f46\u63d2\u4ef6\u53ef\u80fd\u662f\u4e0d\u5e26\u5305\u7f16\u8bd1\u7684<\/li>\n<\/ul>\n
    4\u3001\u4e3a\u4ec0\u4e48\u6211\u5728\u591a\u5b9e\u4f8b\u670d\u52a1\u8fd4\u56de\u7684\u7ed3\u679c\u4e0a\u8c03\u7528 Show \u65f6\u4f1a\u4e00\u95ea\u800c\u8fc7\uff1f<\/strong><\/p>\n
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