yeeonefx的专栏

delphi xe5 照相功能,简单的例子

DELPHI xe5 ListView例子，最简单的例子

delphi x5 安卓 地图demo 调用googlewebgis，gis

相当好的进度组件；Planners for VCL 进度条 甘特图

7天学通C+++

Visual+C#+2010入门教程，入门到精通哦

ClientDataSet的过滤问题

ClientDataSet的使用

delphi webbrowser与delphi互动

RICHEDIT复制到RICHEDIT，这个我找了老久啊，国外网站的代码

DevExpress 行事历(Scheduler)的常用属性、事件和方法

webbrowser delphi 事件详解

复制文件显示进程

获得本机IP

基于SQL Server-DMO的数据库备份与恢复

解决delphi关于dbgrid和webbrowser的焦点冲突的问题

批量修改数据所有表某类型字段默认

使用Mapx在Delphi使用

转换OLEVariant和TMemoryStrea

字符压缩代码

webbrowset操作纪要

中国县界坐标

全国省界点坐标适合各种开发

DATASNAP 的资料很少，初学者不错的资料

unit MyClass; interface uses Classes,SysUtils; type {$METHODINFO ON} TMyClass = class(TComponent) function Sum(const A, B: Double): Double; end; {$METHODINFO OFF} implementation uses Unit1; { TMyClass } function TMyClass.Sum(const A, B: Double): Double; var p:string; begin Result := A + B; p:=floattostr(Result); TThread.Synchronize(nil, procedure begin form1.Memo1.Lines.Add(p); end); end; end.

DataSnap

delphi 序列化 文件流

delphi简单线程例子，初学者一看就懂

unit main; interface {********************************************************************* 压缩测试单元 作者：崔东伟 Email:cuidongwei@yeah.net 或 s72002004@yahoo.com.cn 发布这一文件的目的是希望它有用，但没有任何担保。甚至没有适合特定目的 而隐含的担保。作者不承担由此带来的任何问题 *********************************************************************} uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, Buttons; const BufferSize=2048; type Tmainfm = class(TForm) Edit1: TEdit; Edit2: TEdit; Label1: TLabel; Label2: TLabel; BitBtn1: TBitBtn; BitBtn2: TBitBtn; GroupBox1: TGroupBox; BitBtn3: TBitBtn; BitBtn4: TBitBtn; GroupBox2: TGroupBox; BitBtn5: TBitBtn; BitBtn6: TBitBtn; GroupBox3: TGroupBox; BitBtn7: TBitBtn; BitBtn8: TBitBtn; GroupBox4: TGroupBox; BitBtn10: TBitBtn; BitBtn11: TBitBtn; OpenDialog1: TOpenDialog; SaveDialog1: TSaveDialog; Memo1: TMemo; Label3: TLabel; procedure BitBtn3Click(Sender: TObject); procedure BitBtn1Click(Sender: TObject); procedure BitBtn2Click(Sender: TObject); private { Private declarations } public { Public declarations } end; var mainfm: Tmainfm; implementation {$R *.DFM} uses lz77,arith,zlib,lh5unit; procedure ZCompress(InStr, OutStr: TStream); var Zstream:TCustomZlibStream; CompressionLevel:TCompressionLevel; begin CompressionLevel:=clMax; ZStream := TCompressionStream.Create(CompressionLevel, OutStr); try ZStream.CopyFrom(InStr, 0); finally ZStream.Free; end; end; procedure ZExpand(InStr, OutStr: TStream); var Zstream:TCustomZlibStream; Buffer : Array[0 .. BufferSize - 1] of Byte; count:integer; begin ZStream := TDecompressionStream.Create(InStr); try while True do begin Count := ZStream.Read(Buffer, BufferSize); if Count <> 0 then OutStr.WriteBuffer(Buffer, Count) else Break; end; finally ZStream.Free; end; end; procedure Tmainfm.BitBtn3Click(Sender: TObject); const cstr:array[1..8] of string= ('lz77Compress', 'lz77Expand', 'ArithCompress', 'ArithExpand', 'LHACompress', 'LHAExpand', 'ZCompress', 'ZExpand'); var infn,outfn:string; infile,outfile:TStream; begin infn:=Edit1.text; if not fileexists(infn) then raise exception.Create('源文件不存在!'); outfn:=Edit2.text; if fileexists(outfn) then begin if application.messagebox('输出文件已经存在，要覆盖该文件吗?', '警告',MB_ICONQUESTION or MB_YESNO or MB_DEFBUTTON2)=IDNO then exit; deletefile&#40;outfn&#41;; end; InFile := TFileStream.Create(infn, fmOpenRead); try OutFile := TFileStream.Create(outfn, fmCreate); try case TComponent(Sender).tag of 1:lz77Compress(Infile,OutFile); 2:lz77Expand(Infile,OutFile); 3:ArithCompress(Infile,OutFile); 4:ArithExpand(Infile,OutFile); 5:LHACompress(Infile,OutFile); 6:LHAExpand(Infile,OutFile); 7:zCompress(Infile,OutFile); 8:zExpand(Infile,OutFile); end; if TComponent(Sender).tag in [1,3,5,7] then memo1.Lines.add(format('%s 输入%d :bytes 输出:%d bytes 压缩比:%5.2f', [cstr[TComponent(Sender).tag],InFile.size,outfile.size,outfile.size*100/InFile.size])+'%') else memo1.Lines.add(format('%s 输入%d :bytes 输出:%d bytes 压缩比:%5.2f', [cstr[TComponent(Sender).tag],InFile.size,outfile.size,InFile.size*100/outfile.size])+'%'); finally outfile.free; end; finally InFile.Free; end; end; procedure Tmainfm.BitBtn1Click(Sender: TObject); begin if OpenDialog1.Execute then edit1.Text:=OpenDialog1.FileName; end; procedure Tmainfm.BitBtn2Click(Sender: TObject); begin if SaveDialog1.Execute then edit2.Text:=SaveDialog1.FileName; end; end.

Unidac连接池

unit Main_U; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, IdBaseComponent, IdComponent, IdTCPConnection, IdTCPClient, IdHTTP, StdCtrls, Buttons, Mask, DBCtrlsEh; type TMain_F = class(TForm) idhtp1: TIdHTTP; lbl1: TLabel; lbl2: TLabel; lbl3: TLabel; lbl4: TLabel; edt1: TDBNumberEditEh; edt2: TDBNumberEditEh; btn1: TBitBtn; btn2: TBitBtn; procedure btn1Click(Sender: TObject); procedure btn2Click(Sender: TObject); private { Private declarations } public { Public declarations } end; var Main_F: TMain_F; implementation {$R *.dfm} procedure TMain_F.btn1Click(Sender: TObject); var I : Integer; PostList : TStringList; begin btn1.Enabled := False; btn2.Enabled := True; PostList := TStringList.Create; PostList.Values['names'] := 'Name'; PostList.Values['sex'] := '男'; PostList.Values['agey'] := '1983'; PostList.Values['agem'] := '1'; PostList.Values['telb'] := '0755'; PostList.Values['TEL'] := '28121215'; PostList.Values['mb'] := '13838385438'; PostList.Values['area'] := '上海'; PostList.Values['city'] := '上海'; PostList.Values['job'] := '销售'; PostList.Values['EMAIL'] := 'hhh@hhh.com'; PostList.Values['ptitle'] := 'lesson'; PostList.Values['idx'] := ''; PostList.Values['Submit.x'] := '75'; PostList.Values['Submit.y'] := '12'; PostList.Values['Submit'] := '提交即可学习五十音图'; for I := 1 to edt1.Value do begin try idhtp1.Post('http://www.sakurajp.com.cn/free/lesson/login.asp',PostList); except end; Caption := IntToStr(I); Application.ProcessMessages; if not btn2.Enabled then begin Break; end; Sleep(edt2.Value); end; PostList.Free; end; procedure TMain_F.btn2Click(Sender: TObject); begin btn2.Enabled := False; btn1.Enabled := True; end; end.

Googlemap代码 unit GEarthMap; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, EarthMap, ComCtrls, ToolWin, XPMan; type TFmEarthMap = class(TForm) stat1: TStatusBar; Xpmnfst1: TXPManifest; procedure FormDestroy(Sender: TObject); procedure FormCreate(Sender: TObject); procedure OnShowGPS(Sender: TObject; Longitude, Latitude: Double); procedure OnMapzoomChange(Sender: TObject; AZoom: Integer); private FEmGoogle: TEarthMap; public end; var FmEarthMap: TFmEarthMap; implementation {$R *.dfm} { TFmEarthMap } procedure TFmEarthMap.FormCreate(Sender: TObject); begin inherited; FEmGoogle := TEarthMap.Create(Self); FEmGoogle.Parent := Self; FEmGoogle.Align := alClient; FEmGoogle.OnMapGPS := OnShowGPS; FEmGoogle.OnMapZoomChange := OnMapzoomChange; end; procedure TFmEarthMap.FormDestroy(Sender: TObject); begin FEmGoogle.Free; inherited; end; procedure TFmEarthMap.OnMapzoomChange(Sender: TObject; AZoom: Integer); begin stat1.Panels[2].Text := '地图放大系数:' + IntToStr(FEmGoogle.MapZoom); end; procedure TFmEarthMap.OnShowGPS(Sender: TObject; Longitude, Latitude: Double); begin stat1.Panels[0].Text := '经度:' + FloatToStr(Longitude); stat1.Panels[1].Text := '纬度:' + FloatToStr(Latitude); end; end.

Delphi视频控制，支持无驱动哦，支持无驱动哦

cxGrid主从表记录导出，不错的代码 for i:=0 to cxGrid1DBTableView1.DataController.RowCount-1 do begin DetailRecCount:=cxGrid1DBTableView1.ViewData.Rows[i].AsMasterDataRow.ActiveDetailGridView.DataController.RecordCount; memo1.Lines.Append(''); s:=''; for k:=0 to 2 do begin v:=cxGrid1DBTableView1.ViewData.Rows[i].Values[k]; if VarIsNull(v) then s:=s+'; ' else s:=s+string(v)+'; '; end; memo1.Lines.Append(s); for j:=0 to DetailRecCount-1 do begin s:=' '; for k:=0 to 3 do begin if k=1 then continue; with TcxGridDBTableView(cxGrid1DBTableView1.ViewData.Rows[i].AsMasterDataRow.ActiveDetailGridView) do v:=ViewData.Rows[j].Values[k]; if VarIsNull(v) then s:=s+'; ' else s:=s+string(v)+'; '; end; memo1.Lines.Append(s); end; memo1.Lines.Append(' 从表共 '+inttostr(DetailRecCount)+' 笔记录.'); end;

PageControl实现的多页面实现，page哦

DevExpressVCL大家都懂的，能安装，没话说，强！

ExpressQuantumGrid4.5 中文教程 绝对经典

MapInfo基础及应用教程-专题图制作，详细哦，十多M不是假的

Google地图API教程，初学者必备，简单易学的资料

google MAP 地理信息系统开发必备手册