Delphi多线程开发技术讲解

Delphi多线程开发技术讲解 彭月回答:[[{"txt": "u8fdbu7a0bu662fu5e94u7528u7a0bu5e8fu6267u884cu5b9eu4f8buff0cu6bcfu4e2au8fdbu7a0buff1au4e00u4e2au79c1u6709u7684u5730u5740u7a7au95f4uff0cu5b83u662fu8fdbu7a0bu53efu4ee5u4f7fu7528u7684u4e00u7ec4u865au62dfu5185u5b58u5730u5740u7a7au95f4uff1b u7a0bu5e8fu7684u76f8u5173u4ee3u7801u3001u6570u636eu6e90uff1b u7cfbu7edfu8d44u6e90uff0cu6bd4u5982u64cdu4f5cu7cfbu7edfu540cu6b65u5bf9u8c61u7b49uff1b 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"}], [{"txt": ["u5de5u5177/u539fu6599"]}, {"txt": "Delphi7"}, {"txt": "Windowsu7535u8111"}], [{"txt": ["u65b9u6cd5/u6b65u9aa4"]}, {"txt": "u6253u5f00Delphi7u96c6u6210u5f00u53d1u73afu5883uff0cFile-New-Otheruff0cu5728u5f39u51fau7684New Itemsu5bf9u8bddu6846u9009u62e9Thread Object,u70b9u51fbOKuff0cu5728u5f39u51fau7684New Thread Objectu5bf9u8bddu6846u8f93u5165u7c7bu540duff0cu70b9u51fbOK,u8fd9u6837u5c31u81eau52a8u751fu6210u4e00u4e2au65b0u7ebfu7a0bu7c7bu7684u4ee3u7801u6587u4ef6Unit2.pas"}, {"img": ["https://exp-picture.cdn.bcebos.com/486884883913e8e5c982d909352f477047187dc1.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1", "https://exp-picture.cdn.bcebos.com/acfda02f47704618f5b6908eb08602214e5776c1.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1", "https://exp-picture.cdn.bcebos.com/e57a258602214f57bc3a270e732064fb970b73c1.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1", "https://exp-picture.cdn.bcebos.com/92174dbbf82064fba56745948e6104a354e96fc1.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "u5728Form1u7a97u4f53u52a0u5165Button1u3001Button2u3001Button3u3001Button4 u56dbu4e2au6309u94aeuff0cu5206u522bu8bbeu7f6eu5176Captionu5c5eu6027u4e3auff1au542fu52a8u3001u6682u505cu3001u6062u590du3001u7ed3u675fu3002u548cu4e00u4e2aEdit1u6587u672cu6846uff0cu6587u672cu6846Textu5c5eu6027u8bbeu4e3au7a7au3002u5728Uint1.pasu6587u4ef6u5934u90e8usesu52a0u5165Unit2u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/f9617afb960b3121300d7016dee983aee9d76dc1.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1", "https://exp-picture.cdn.bcebos.com/974a2f21056104a36285f71b63d7592ae2ef6bc1.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "u5728Unit2.pasu6587u4ef6u4e2du589eu52a0testThreadu7c7bu7684u79c1u6709u6210u5458u53d8u91cfuff0cAEdit,MaxLoop,CurLoopuff0cu6dfbu52a0u4fddu62a4u65b9u6cd5DisLoop()u5728Edit1u663eu793au5f53u524du5faau73af,u6539u5199u4e86u7c7bu7684u6784u9020u65b9u6cd5uff0cu5e76u7f16u5199Excute()u51fdu6570u4f53uff0cu505au6210u5faau73afu3002u8be6u7ec6u4ee3u7801u5982u4e0buff1aunit Unit2;interfaceusesu00a0 Classes,SysUtils,StdCtrls;typeu00a0 testThread = class(TThread)u00a0 privateu00a0 u00a0 { Private declarations }u00a0 u00a0 AEdit:TEdit;u00a0 u00a0 u00a0 u00a0 u00a0//u663eu793au5faau73afu6b21u6570u7528u00a0 u00a0 MaxLoop:Integer;u00a0 u00a0 u00a0 //u6700u5927u5faau73afu6b21u6570u00a0 u00a0 CurrentLoop:Integer;u00a0 u00a0//u5f53u524du5faau73afu6b21u6570u00a0 protectedu00a0 u00a0 procedure Execute; override;u00a0 u00a0 procedure DisLoop;u00a0 publicu00a0 u00a0 constructor Create(Edit:TEdit;Max:Integer);u00a0 end;implementationconstructor testThread.Create(Edit: TEdit; Max: Integer);beginu00a0 inherited Create(False);u00a0 //Falseu521bu5efau7ebfu7a0bu540eu7acbu5373u6267u884cu00a0 AEdit:=Edit;u00a0 MaxLoop:=Max;u00a0 FreeOnTerminate:=True;u00a0 u00a0 u00a0//u7ed3u675fu65f6u91cau653eu8d44u6e90end;procedure testThread.DisLoop;beginu00a0 AEdit.text := InttoStr(CurrentLoop);end;procedure testThread.Execute;vari:Integer;beginu00a0 for i:=0 to MaxLoop Dou00a0 beginu00a0 u00a0 CurrentLoop := i;u00a0 u00a0 Synchronize(DisLoop);u00a0 u00a0 u00a0 //u540cu6b65Edit1u7684u663eu793au00a0 u00a0 if Terminated then Exit;u00a0 u00a0//u7ed3u675fu9000u51fau51fdu6570u00a0 end;end;end."}, {"txt": "u5728Unit1.pasu4e2du52a0u5165u6309u94aeu7684u5bf9u5e94u54cdu5e94u51fdu6570uff0cu5206u522bu5b9eu73b0u542fu52a8u7ebfu7a0bu3001u6682u505cu7ebfu7a0bu3001u6062u590du7ebfu7a0bu548cu7ec8u6b62u7ebfu7a0bu7684u529fu80fdu3002u5b8cu6574u4ee3u7801u5982u4e0buff1aunit Unit1;interfaceusesu00a0 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,u00a0 Dialogs,Unit2, StdCtrls;typeu00a0 TForm1 = class(TForm)u00a0 u00a0 Edit1: TEdit;u00a0 u00a0 Button1: TButton;u00a0 u00a0 Button2: TButton;u00a0 u00a0 Button3: TButton;u00a0 u00a0 Button4: TButton;u00a0 u00a0 procedure Button1Click(Sender: TObject);u00a0 u00a0 procedure Button2Click(Sender: TObject);u00a0 u00a0 procedure Button3Click(Sender: TObject);u00a0 u00a0 procedure Button4Click(Sender: TObject);u00a0 privateu00a0 u00a0 { Private declarations }u00a0 publicu00a0 u00a0 { Public declarations }u00a0 u00a0 procedure ThreadDone(Sender:TObject);u00a0 end;varu00a0 Form1: TForm1;u00a0 //u58f0u660eu7ebfu7a0bu53d8u91cfu00a0 MyThread:testThread;implementation{$R *.dfm}u00a0//u542fu52a8u7ebfu7a0bprocedure TForm1.Button1Click(Sender: TObject);beginu00a0 MyThread:=testThread.Create(Edit1,500000);u00a0 MyThread.OnTerminate := ThreadDone;u00a0 //u7ebfu7a0bu7ed3u675fu65f6u6267u884cu7684u51fdu6570u00a0 Button1.enabled:=False;end;procedure TForm1.ThreadDone(Sender: TObject);beginu00a0 Button1.Enabled:=True;end;//u6682u505cu7ebfu7a0bprocedure TForm1.Button2Click(Sender: TObject);beginu00a0 u00a0MyThread.Suspended:=True;end;//u6062u590du7ebfu7a0bprocedure TForm1.Button3Click(Sender: TObject);beginu00a0 MyThread.Suspended := False;end;//u7ed3u675fu7ebfu7a0bprocedure TForm1.Button4Click(Sender: TObject);beginu00a0 MyThread.Terminate;end;end."}, {"txt": "u7a0bu5e8fu6267u884cu6548u679cu5982u4e0bu56feuff0cu8fd9u5c31u662fu7b80u5355u7684Delphiu591au7ebfu7a0bu5e94u7528uff0cDelphiu5c01u88c5u4e86u5f88u591aWinodowsu65b9u6cd5uff0cu4f7fu7528u8d77u6765u5341u5206u5bb9u6613"}, {"img": ["https://exp-picture.cdn.bcebos.com/54a89daee8d7592ad88394cd9f31dfb6336c67c1.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}], [{"txt": ["u6ce8u610fu4e8bu9879"]}, {"txt": "u4e0eVCLu63a7u4ef6u4ea4u4e92u4f7fu7528 Synchronizeuff0cu6bd4SendMessageu51fdu6570u65b9u4fbfu591au4e86"}]]