{"id":440,"date":"2014-09-05T11:49:38","date_gmt":"2014-09-05T03:49:38","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=440"},"modified":"2014-09-05T11:49:38","modified_gmt":"2014-09-05T03:49:38","slug":"diocp3mybeanqdac%e5%bc%80%e6%ba%90%e9%a1%b9%e7%9b%ae-datamodule-db%e4%be%8b%e5%ad%90%e5%9f%ba%e4%ba%8emybean%e7%9a%84%e6%8f%92%e4%bb%b6%e5%ae%9e%e4%be%8b%e4%b8%89%e5%b1%82%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=440","title":{"rendered":"[DIOCP3\/MyBean\/QDAC\u5f00\u6e90\u9879\u76ee] DataModule-DB\u4f8b\u5b50\u57fa\u4e8eMyBean\u7684\u63d2\u4ef6\u5b9e\u4f8b<\u4e09\u5c42\u6570\u636e\u5e93\u65b9\u6848>"},"content":{"rendered":"

\u3010\u8bf4\u660e\u3011<\/p>\n

\u8fd9\u4e2a\u4f8b\u5b50\u7b54\u5e94\u5927\u5bb6\u5f88\u4e45\u4e86\uff0c\u4e00\u76f4\u6ca1\u6709\u65f6\u95f4\u5f04\uff0c\u73b0\u5728\u6b63\u5f0f\u7ed3\u5408MyBean\u63d2\u4ef6\u53ef\u4ee5\u5f88\u65b9\u4fbf\u7684\u5728\u5ba2\u6237\u7aef\u5171\u4eab\u64cd\u4f5c\u8fde\u63a5\uff0c\u6267\u884c\u6570\u636e\u5e93\u7684\u5404\u9879\u5de5\u4f5c\uff0c\u5c4f\u853d\u4e86\u5e95\u5c42\u7684\u901a\u4fe1\u89e3\u7801\u5668\u7f16\u7801\u7b49\u5de5\u4f5c\uff0c\u76f4\u63a5\u4f20\u9012Variant\uff0c\u7ed9\u4e86\u5f00\u53d1\u8005\u8db3\u591f\u7684\u9886\u6d3b\u548c\u81ea\u7531\u3002<\/p>\n

 <\/p>\n

\u3010\u670d\u52a1\u7aef\u4f7f\u7528\u6280\u672f\u3011<\/p>\n

diocp3\uff1a\u62c5\u5f53\u5e95\u5c42\u7684\u901a\u4fe1\u4efb\u52a1\u3002<\/p>\n

qworker\/iocpTask\uff1a\u62c5\u5f53\u4e1a\u52a1\u903b\u8f91\u7684\u5904\u7406\u5de5\u4f5c\uff0cdiocp3\u63a5\u53d7\u6570\u636e\u89e3\u7801\u540e\u7528qworker\/iocpTask\u5c06\u6570\u636e\u5305\u6295\u9012\u51fa\u6765\uff0c\u8fd9\u6837\u4e0d\u7528\u5360\u7528\u901a\u4fe1\u7ebf\u7a0b\u3002<\/p>\n

qmsgpack\uff1a\u8d1f\u8d23\u5c06\u4f20\u9012\u7684\u5c06variant\u6570\u636e\u6253\u5305\u5230\u6d41\uff0c\u4ece\u6d41\u4e2d\u89e3\u7801\u6210variant<\/p>\n

dataModule\uff1a\u5bf9\u5e94\u8fde\u63a5\u7684\u5bf9\u8c61\uff0c\u65b9\u4fbf\u8fdb\u884c\u5f00\u53d1\u3002<\/p>\n

 <\/p>\n

\u3010\u5ba2\u6237\u7aef\u3011<\/p>\n

myBean\uff1a\u5236\u4f5c\u57fa\u4e8eMyBean\u6846\u67b6\u7684\u63d2\u4ef6\uff0c\u53ef\u4ee5\u5728MyBean\u7684\u6846\u67b6\u6a21\u5757\u4e2d\u76f4\u63a5\u4f7f\u7528\u3002<\/p>\n

RawTcpClient\uff1a\u7528\u4e8e\u548c\u670d\u52a1\u7aef\u8fdb\u884c\u901a\u4fe1\uff0c\u963b\u585e\u7684tcp\u5ba2\u6237\u7aef\uff0c\u7c7b\u4f3cIdTcpClient\u7684\u7cbe\u7b80\u7248\u672c\uff0c\u64cd\u4f5c\u5bb9\u6613\u3002<\/p>\n

 <\/p>\n

\u3010DEMO\u4f7f\u7528\u3011<\/p>\n

\u8bf4\u3000\u3000\u660e\uff1a\u5ba2\u6237\u7aef\u4f9d\u8d56diocp_bean.dll\u63d2\u4ef6\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u6570\u636e\u4ea4\u6362\uff0cDIOCP_DBDEMO.dll\u662f\u6f14\u793a\u7a97\u4f53\u63d2\u4ef6\u7684\u5bbf\u4e3b\u3002<\/p>\n

\u5b58\u653e\u8def\u5f84\uff1aMyBean\\samples\\diocp-DBDEMO<\/p>\n

\u542f\u52a8\u670d\u52a1\uff1aSERVER_EXE\\diocp3Server.exe  <\u70b9\u51fbstart\u6309\u94ae\u542f\u52a8\u670d\u52a1><\/p>\n

\"image\"<\/a><\/p>\n

\u670d\u52a1\u5668\u662f\u57fa\u4e8eDIOCP3\u7684\u3002\u53ef\u4ee5\u5728DIOCP3\u9879\u76ee\u4e2d\u627e\u5230\u6e90\u7801[diocp3\\samples\\socket-Coder\\DataModuleDEMO]<\/p>\n

\u542f\u52a8\u5ba2\u6237\u7aef\uff1a\u6253\u5f00 [simpleConsole.exe], \u4f9d\u6b21\u70b9\u51fb\u4e0b\u9762\u7684\u6309\u94ae\u5c31\u53ef\u4ee5\u770b\u5230\u6548\u679c\u4e86<\/p>\n

\"image\"<\/a><\/p>\n

 <\/p>\n

\u3010DEMO\u8bf4\u660e\u3011<\/p>\n

\u670d\u52a1\u7aef\u5904\u7406\uff1a<\/p>\n

    \u670d\u52a1\u7aef\u57fa\u4e8eDIOCP3\u901a\u4fe1\uff0c\u8be5DEMO\u505a\u4e86\u7b80\u5355\u7684\u5c01\u88c5\uff0c\u4f7f\u7528\u6237\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u903b\u8f91\u7684\u5b9e\u73b0\uff0c\u548c\u5ba2\u6237\u7aef\u4ea4\u4e92\u4f7f\u7528variant\u7c7b\u578b\u8fdb\u884c\u3002<\/p>\n

dmMain\uff0c\u662f\u548c\u5ba2\u6237\u7aef\u8fde\u63a5\u60f3\u5bf9\u5e94\u7684\u4e00\u4e2a\u5bf9\u8c61[\u548c\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u662f\u4e00\u5bf9\u4e00\u7684\u5173\u7cfb]\u3002<\/p>\n

\"image\"<\/a><\/p>\n

 <\/p>\n

\u6211\u5728\u91cc\u9762\u7a0d\u5fae\u505a\u4e86\u4e0b\u903b\u8f91\u5904\u7406\u7684\u6f14\u793a\uff1a<\/p>\n

\n
function<\/span> TdmMain.Execute(pvCmdIndex: Integer; var<\/span> vData: OleVariant): Boolean;\n<\/span>begin<\/span>\n  case<\/span> pvCmdIndex of<\/span>\n    0<\/span>:\n      <\/span>begin<\/span>\n        \/\/ \u8fd4\u56de\u670d\u52a1\u7aef\u65f6\u95f4\u7ed9\u5ba2\u6237\u7aef\n        vData :<\/span>= Now();\n        Result :<\/span>= true;\n      <\/span>end<\/span>;\n    <\/span>1<\/span>:  \/\/ \u67e5\u8be2\u6570\u636e\n      <\/span>begin<\/span>\n        \/\/ vData \u8ba4\u4e3a\u662f\u4f20\u5165\u7684SQL\u8bed\u53e5\n        <\/span>\/\/   \u6267\u884c\u540e, vData\u4e3a\u67e5\u8be2\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u7528\u4e8e\u5bf9ClientData.Data\u7684\u8d4b\u503c\n\n        qryMain.Close;\n        qryMain.SQL.Clear;\n        qryMain.SQL.Add(vData);\n        qryMain.Open;\n\n        vData :<\/span>= dspMain.Data;\n        Result :<\/span>= true;\n        qryMain.Close;\n      <\/span>end<\/span>;\n    <\/span>2<\/span>:\n      <\/span>begin<\/span>\n        \/\/ vData \u4e3a\u6267\u884c\u7684\u8bed\u53e5\n        conMain.BeginTrans;\n        <\/span>try<\/span>\n          qryMain.Close;\n          qryMain.SQL.Clear;\n          qryMain.SQL.Add(vData);\n          qryMain.ExecSQL;\n          conMain.CommitTrans;\n\n          VarClear(vData);\n          \n          Result :<\/span>= true;\n\n\n        <\/span>except<\/span>\n          conMain.RollbackTrans;\n          <\/span>raise<\/span>;\n        <\/span>end<\/span>;\n      <\/span>end<\/span>;\n  <\/span>end<\/span>;\n<\/span>end<\/span>;<\/pre>\n<\/div>\n
   vData\uff0c\u662f\u5ba2\u6237\u7aef\u4f20\u9012\u8fc7\u6765\u7684\u53c2\u6570\uff0c\u4e5f\u662f\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u7684\u6570\u636e\u3002vData\u662fOleVariant\u53ef\u4ee5\u5bb9\u7eb3\u4efb\u4f55\u7684\u6570\u636e<\u914d\u5408qmsgPack\u53ef\u4ee5\u8fbe\u5230\u4efb\u4f55\u7684\u6570\u636e\u683c\u5f0f\u8981\u6c42>, \u5982\u679c\u8fd8\u8fbe\u4e0d\u5230\u4f60\u7684\u683c\u5f0f\u8981\u6c42\uff0c\u4f60\u53ef\u4ee5\u5728MyClientContext\u7684dataReceived\u51fd\u6570\u505a\u4e9b\u4fee\u6539\uff0c\u4e0b\u9762\u4ee3\u7801\u7684\u5904\u7406\u8fc7\u7a0b\u4f9d\u6b21\u662f\uff1a<\/p>\n
\u89e3\u538b\u6536\u5230\u7684\u6570\u636e->QmsgPack\u89e3\u5305->\u53d6\u51fa\u5ba2\u6237\u7aef\u4f20\u5165\u7684\u53c2\u6570->\u8c03\u7528dmMain.Execute\u5904\u7406\u903b\u8f91->qmsgPack\u7f16\u7801\u6570\u636e->\u538b\u7f29\u6570\u636e->\u56de\u4f20\u6570\u636e\u5230\u5ba2\u6237\u7aef<\/font><\/p>\n
\n
procedure<\/span> TMyClientContext.dataReceived(const<\/span> pvDataObject: TObject);\n<\/span>var<\/span>\n  lvMsgPack:TQMsgPack;\n  lvStream :TStream;\n  lvStream2:TMemoryStream;\n  vData:OleVariant;\n  lvResult:Boolean;\n<\/span>begin<\/span>\n  lvMsgPack :<\/span>= TQMsgPack.Create;\n  <\/span>try<\/span>\n    try<\/span>\n      if<\/span> FdmMain = nil<\/span> then<\/span> FdmMain := TdmMain.Create(nil<\/span>);\n\n      lvStream :<\/span>= TStream(pvDataObject);\n      lvStream.Position :<\/span>= 0<\/span>;\n\n      <\/span>\/\/ upZip\n      TZipTools.unCompressStreamEX(lvStream);\n\n      lvStream.Position :<\/span>= 0<\/span>;\n      \n      <\/span>\/\/ unpack\n      lvMsgPack.LoadFromStream(lvStream);\n\n      <\/span>\/\/ get param\n      vData :<\/span>= lvMsgPack.ForcePath('<\/span>cmd.data<\/span>'<\/span>).AsVariant;\n\n      <\/span>\/\/ invoke dataModule function<\/span>\n      lvResult :<\/span>= FdmMain.Execute(lvMsgPack.ForcePath('<\/span>cmd.index<\/span>'<\/span>).AsInteger, vData);\n\n      <\/span>\/\/ write<\/span> result info\n      lvMsgPack.Clear;\n      lvMsgPack.ForcePath(<\/span>'<\/span>__result.result<\/span>'<\/span>).AsBoolean := lvResult;\n      lvMsgPack.ForcePath(<\/span>'<\/span>__result.data<\/span>'<\/span>).AsVariant := vData;\n    <\/span>except<\/span>\n      on E:Exception <\/span>do<\/span>\n      begin<\/span>\n        lvMsgPack.Clear;\n        lvMsgPack.ForcePath(<\/span>'<\/span>__result.result<\/span>'<\/span>).AsBoolean := false;\n        lvMsgPack.ForcePath(<\/span>'<\/span>__result.msg<\/span>'<\/span>).AsString := e.Message;\n      <\/span>end<\/span>;\n    <\/span>end<\/span>;\n\n    lvStream.Size :<\/span>= 0<\/span>;\n    lvMsgPack.SaveToStream(lvStream);\n\n    lvStream.Position :<\/span>= 0<\/span>;\n\n    <\/span>\/\/ zipStream\n    TZipTools.compressStreamEX(lvStream);\n    lvStream.Position :<\/span>= 0<\/span>;\n\n    <\/span>\/\/ send to<\/span> client\n    self.writeObject(lvStream);\n  <\/span>finally<\/span>\n    lvMsgPack.Free;\n  <\/span>end<\/span>;\n\n<\/span>end<\/span>;<\/pre>\n<\/div>\n
 <\/p>\n
\u5ba2\u6237\u7aef\u5904\u7406\uff1a<\/p>\n
   \u7f16\u8bd1\u7684 DLL \u653e\u5230\u548cEXE\u540c\u4e00\u4e2a\u76ee\u5f55\u4e0b\u9762\u5c31\u53ef\u4ee5\u8fdb\u884c\u81ea\u52a8\u52a0\u8f7d\u3002<\/p>\n
   \u5ba2\u6237\u7aefdiocp_bean\u5de5\u7a0b\u4e2d<\/p>\n
\n
library<\/span> diocp_bean;\n\n<\/span>uses<\/span>\n  SysUtils,\n  Classes,\n  mybean.core.beanFactoryForNoVcl,\n  uRemoteServerDIOCPImpl <\/span>in<\/span> '<\/span>Service\\uRemoteServerDIOCPImpl.pas<\/span>'<\/span>;\n\n<\/span>{<\/span>$R *.res<\/span>}<\/span>\n\nbegin<\/span>\n  beanFactory.RegisterBean(<\/span>'<\/span>diocpRemoteSvr<\/span>'<\/span>, TRemoteServerDIOCPImpl).Singleton := true;\n<\/span>end<\/span>.<\/pre>\n<\/div>\n
\u6ce8\u518c\u7684diocpRemoteSvr\u63d2\u4ef6\u5b9e\u73b0\u4e86IRemoteServer\u63a5\u53e3\u548cIRemoteServerConnector\u63a5\u53e3\uff0c\u800c\u4e14\u8be5\u63d2\u4ef6\u4e3a\u5355\u4ef6\u6a21\u5f0f\u3002\u5176\u4ed6\u4efb\u4f55\u5730\u65b9\u8c03\u7528\u90fd\u53ea\u4f1a\u4ea7\u751f\u4e00\u4e2a\u8fde\u63a5\u5b9e\u4f8b\u3002<\/p>\n
\n
type<\/span>\n  IRemoteServer <\/span>= interface<\/span>(IInterface)\n    [<\/span>'<\/span>{20B5F070-461C-41F4-AA0C-E500A36E18E4}<\/span>'<\/span>]\n\n    <\/span>\/\/\/ <summary>\n    \/\/\/   \u6267\u884c\u8fdc\u7a0b\u52a8\u4f5c\n    <\/span>\/\/\/ <\/summary>\n    function<\/span> Execute(pvCmdIndex: Integer; var<\/span> vData: OleVariant): Boolean; stdcall<\/span>;\n  <\/span>end<\/span>;\n\n  IRemoteServerConnector <\/span>= interface<\/span>(IInterface)\n    [<\/span>'<\/span>{65931F56-07BA-42F8-BD5C-7409053F5B2C}<\/span>'<\/span>]\n    <\/span>procedure<\/span> setHost(pvHost: PAnsiChar);\n    <\/span>procedure<\/span> setPort(pvPort:Integer);\n    <\/span>procedure<\/span> open;\n  <\/span>end<\/span>;<\/pre>\n<\/div>\n
 <\/p>\n
 <\/p>\n
\u6f14\u793a\u64cd\u4f5c\u7a97\u4f53\uff1a<\u670d\u52a1\u7aef\u662f13K\u7684\u6210\u8bed\u8bb0\u5f55><\/p>\n
\"image\"<\/a><\/p>\n
\u76f8\u5e94\u6309\u94ae\u4ee3\u7801\uff1a<\/p>\n
\n
constructor<\/span> TfrmMain.Create(AOwner: TComponent);\n<\/span>begin<\/span>\n  inherited<\/span>;\n  <\/span>\/\/ \u901a\u8fc7\u6ce8\u518c\u7684\u63d2\u4ef6ID\u83b7\u53d6\u5355\u5b9e\u4f8b\u7684\u8fdc\u7a0b\u8fde\u63a5\u64cd\u4f5c\u63a5\u53e3\n  FRemoteSvr :<\/span>= TMyBeanFactoryTools.getBean('<\/span>diocpRemoteSvr<\/span>'<\/span>) as<\/span> IRemoteServer;\n<\/span>end<\/span>;\n\n<\/span>procedure<\/span> TfrmMain.btnConnectClick(Sender: TObject);\n<\/span>begin<\/span>\n  \/\/ \u6253\u5f00\u8fdc\u7a0b\u8fde\u63a5\uff0c\u5982\u679c\u6253\u5f00\u8fc7\u53ef\u4ee5\u4e0d\u7528\u6253\u5f00\uff0c\u5176\u4ed6\u63d2\u4ef6\u4e2d\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\n  (FRemoteSvr <\/span>as<\/span> IRemoteServerConnector).setHost(PAnsiChar(AnsiString(edtHost.Text)));\n  (FRemoteSvr <\/span>as<\/span> IRemoteServerConnector).setPort(StrToInt(edtPort.Text));\n  (FRemoteSvr <\/span>as<\/span> IRemoteServerConnector).open;\n  ShowMessage(<\/span>'<\/span>open succ!<\/span>'<\/span>);\n<\/span>end<\/span>;\n\n<\/span>procedure<\/span> TfrmMain.btnOpenClick(Sender: TObject);\n<\/span>var<\/span>\n  vData:OleVariant;\n  l : Cardinal;\n<\/span>begin<\/span>\n  vData :<\/span>= mmoSQL.Lines.Text;\n\n  l :<\/span>= GetTickCount;\n\n  <\/span>\/\/ \u5728\u8fdc\u7a0b\u6253\u5f00SQL\n  <\/span>if<\/span> FRemoteSvr.Execute(1<\/span>, vData) then<\/span>\n  begin<\/span>\n    self.cdsMain.Data :<\/span>= vData;\n    Self.Caption :<\/span>= Format('<\/span>query: count:%d, time:%d<\/span>'<\/span>,\n      [self.cdsMain.RecordCount, GetTickCount <\/span>- l]);\n  <\/span>end<\/span>;\n<\/span>end<\/span>;<\/pre>\n<\/div>\n
 <\/p>\n
PS: \u5176\u4ed6\u529f\u80fd\u5927\u5bb6\u81ea\u5df1\u53bb\u5b9e\u73b0\uff0c\u8be5\u6587\u7ae0\u5199\u4e86\u597d\u51e0\u4e2a\u4e2d\u5348\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u7528\u3002<\/p>\n
\u7531\u4e8eqdac\u5f00\u6e90\u9879\u76ee >=D2007\uff0c\u6240\u4ee5D7\u4e0b\u9762\u4e0d\u80fd\u7f16\u8bd1\u670d\u52a1\u7aef\uff0c\u548cdiocp_bean.\u9879\u76ee(\u4f60\u53ef\u4ee5\u5728D2007\u4e2d\u7f16\u8bd1\u597ddiocp_bean\u548c\u670d\u52a1\u7aef\u5de5\u7a0b\uff0c\u5176\u4ed6\u63d2\u4ef6\u53ef\u4ee5\u5728d7\u4e2d\u5b8c\u6210)<\/p>\n
 <\/p>\n
—————————————————————————————————–<\/p>\n
MyBean \u8f7b\u91cf\u7ea7\u914d\u7f6e\u5f00\u6e90\u6846\u67b6 \u5f00\u6e90\u5730\u5740<\/p>\n
https:\/\/git.oschina.net\/ymofen\/delphi-framework-MyBean<\/a><\/p>\n
DIOCP3\u5f00\u6e90\u5730\u5740  <\/p>\n
https:\/\/github.com\/ymofen\/diocp3<\/a><\/p>\n
  <\/p>\n
qdac\u9879\u76ee\u4fe1\u606f<\/p>\n
\u5b98\u65b9\u7f51\u7ad9\uff1ahttps:\/\/blog.qdac.cc<\/a><\/p>\n
\u5b98\u65b9QQ\u7fa4\uff1a250530692<\/p>\n
QDAC\u9879\u76ee\u7f51\u5740\uff1ahttp:\/\/sourceforge.net\/p\/qdac3<\/a><\/p>\n
\u5728\u7ebf\u6e90\u7801\u6d4f\u89c8\uff1ahttp:\/\/sourceforge.net\/p\/qdac3\/code\/HEAD\/tree\/<\/a><\/p>\n
SVN\u68c0\u51fa\u5730\u5740\uff1a<\/p>\n
http:\/\/svn.code.sf.net\/p\/qdac3\/code\/<\/a>
svn:\/\/svn.code.sf.net\/p\/qdac3\/code\/<\/p>\n","protected":false},"excerpt":{"rendered":"
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