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Delphi 7 中使用RAVE报表(四)  

2011-05-22 17:10:16|  分类: delphi |  标签: |举报 |字号 订阅

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Delphi 7 中使用RAVE报表(四)

                                                                                            ——利用程序设计一张报表



   上一篇向大家介绍了建立一张简单报表的过程。这篇文章向大家介绍rave报表代码编程实例。窗体上放置组件:RvSystem Button即可。

具体代码如下:
##################################################################################

unit Unit1;

interface

uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs, StdCtrls, RpDefine, RpBase, RpSystem;

type

  TForm1 = class(TForm)

    RvSystem1: TRvSystem;

    Button1: TButton;

    procedure RvSystem1Print(Sender: TObject);

    procedure Button1Click(Sender: TObject);

  private

    { Private declarations }

  public

    { Public declarations }

  end;

var

  Form1: TForm1;

implementation

{$R *.dfm}

 

procedure TForm1.RvSystem1Print(Sender: TObject);

var

  I1: integer;

  S1: string[20];

  S2: string[20];

  Bitmap: TBitmap;

  PolyLineArr: array[1..6] of TPoint;

begin

  with Sender as TBaseReport do begin

  { 打印表头和表尾 }

 

    SectionTop := 0.75; //顶端

    SetFont('黑体',26); //设置字体

    Underline := true; //下划线

    Home;

    YPos := 1.0;

    FontRotation :=20;//旋转角度

    PrintCenter('我的报表',PageWidth / 2);

    SetFont('宋体',10);

    SectionBottom := 10.75;

    PrintFooter('第' + IntToStr(CurrentPage) + '页',pjLeft); //页码

    PrintFooter('日期: '+DateToStr(Date)+' ',pjRight); //日期

    SectionBottom := 10.5;

    YPos := 1.5;

    SetFont('宋体',12);

    SetTopOfPage;

    Home;

  { 打印列标题 }

    ClearTabs;

    SetPen(clBlack,psSolid,1,pmCopy); { 设置画笔为一个点宽 }

    SetTab(0.5,pjCenter,3.5,0,BOXLINEALL,0);

    SetTab(NA,pjCenter,1.0,0,BOXLINEALL,0);

    SetTab(NA,pjCenter,1.5,0,BOXLINEALL,0);

    SetTab(NA,pjCenter,1.5,0,BOXLINEALL,0);

    Bold := true;

    Tab(-2,NA,-2,-2,NA); { 画出具有粗边框的表格 }

    Print('Name');

    Tab(NA,NA,-2,-2,NA);

    Print('Number');

    Tab(NA,NA,-2,-2,NA);

    Print('Amount 1');

    Tab(NA,-2,-2,-2,NA);

    Println('Amount 2');

Bold := false;

  { 打印具有边框的数据 }

    ClearTabs;

    SetTab(0.5,pjLeft,3.5,2,BOXLINEALL,0);

    SetTab(NA,pjCenter,1.0,2,BOXLINEALL,0);

    SetTab(NA,pjRight,1.5,2,BOXLINEALL,10);

    SetTab(NA,pjRight,1.5,2,BOXLINEALL,0);

    for I1 := 1 to 10 do begin

      Str(I1 * 1.23:2:2,S1);

      Str(I1 * 98.76:2:2,S2);

      Print(#9'LastName' + IntToStr(I1) + ', ');

      SetFont('Times New Roman',8);

      Print('FirstName M.');

      SetFont('Times New Roman',12);

      Println(#9 + IntToStr(I1) + #9'$' + S1 + #9'$' + S2);

    end; { for }

  { 打印具有阴影的数据 }

    ClearTabs;

    SetTab(0.5,pjLeft,3.5,2,BOXLINENONE,0);

    SetTab(NA,pjCenter,1.0,2,BOXLINENONE,0);

    SetTab(NA,pjRight,1.5,2,BOXLINENONE,0);

    SetTab(NA,pjRight,1.5,2,BOXLINENONE,0);

    for I1 := 11 to 20 do begin

      If Odd(I1) then begin

        TabShade := 0;

      end else begin

        TabShade := 15;

      end; { else }

      Str(I1 * 1.23:2:2,S1);

      Str(I1 * 98.76:2:2,S2);

      Print(#9'LastName' + IntToStr(I1) + ', ');

      SetFont('Times New Roman',8);

      Print('FirstName M.');

      SetFont('Times New Roman',12);

      Println(#9 + IntToStr(I1) + #9'$' + S1 + #9'$' + S2);

    end; { for }

    ClearTabs;

  { 分栏报表 }

    ClearTabs;

    SetTopOfPage;

    SectionBottom := 8.0;

    Home;

    SetFont('宋体',12);

    Bold := true;

    Underline := true;

 

    Print(' 分栏报表 (LinesLeft/ColumnLinesLeft/LineNum/ColumnNum)');

 

    SetTopOfPage; { Set top of page to current YPos }

    Bold := false;

    Underline := false;

    Italic := false;

    Home; { Goto home position }

    SetColumns(4,0.5); { Create 4 columns with 0.5" between each }

    while ColumnLinesLeft > 0 do begin

      Println(IntToStr(LinesLeft) + '/' + IntToStr(ColumnLinesLeft) + '/' +

       IntToStr(LineNum) + '/' + IntToStr(ColumnNum));

    end; { while }

  { 具有边框的分栏报表 }

    ClearTabs;

    SetTopOfPage;

    SectionBottom := 10.5;

    Home;

    SetFont('Times New Roman',12);

    Bold := true;

    Italic := true;

    Print('Boxed Columns');

    SetTopOfPage; { Set top of page to current YPos }

    Bold := false;

    Italic := false;

    Home; { Goto home position }

    ClearTabs;

    SetPen(clBlack,psSolid,1,pmCopy);

    SetTab(0.5,pjCenter,0.375,0,BOXLINEALL,0);

    SetTab(NA,pjCenter,0.375,0,BOXLINEALL,0);

    SetTab(NA,pjCenter,0.375,0,BOXLINEALL,0);

    SetTab(NA,pjCenter,0.375,0,BOXLINEALL,0);

    SetColumns(4,0.5); { Create 4 columns with 0.5" between each }

    while ColumnLinesLeft > 0 do begin

      if LineNum = 1 then begin

        TabShade := 15;

        Println(#9'LL'#9'CLL'#9'L#'#9'C#'); { 打印标题栏 }

      end else begin

        TabShade := 0;

        Println(#9 + IntToStr(LinesLeft) + #9 + IntToStr(ColumnLinesLeft) +

         #9 + IntToStr(LineNum) + #9 + IntToStr(ColumnNum));

      end; { else }

    end; { while }

    SetColumns(1,0);

  { 在指定位置绘出文本 }

    NewPage;

    OriginX := 0.0; { Set origin to normal }

    OriginY := 0.0;

    GotoXY(1.0,1.5);

    Print('Text @ 1.0,1.5');

    GotoXY(6.0,1.5);

    Println('Text @ 6.0,1.5');

    GotoXY(2.0,2.0);

    Println('Text @ 2.0,2.0');

    GotoXY(3.0,2.5);

    Println('Text @ 3.0,2.5');

  {*** 图形 图片***}

    NewPage;

    ResetSection;

    SetFont('Arial',24);

    Underline := true;

    Home;

    PrintCenter('Graphics Page Demo',PageWidth / 2);

    SetFont('Times New Roman',8);

    SectionBottom := 10.75; { Temporarily move the section bottom down }

    PrintFooter('Page ' + IntToStr(CurrentPage),pjLeft);

    PrintFooter('Date 01/20/95',pjRight);

    SectionBottom := 10.5; { Reset section bottom }

    OriginX := 0.0;

    OriginY := 0.5;

    SetFont('Arial',10);

  { 半圆 弧线}

    SetPen(clBlack,psSolid,-2,pmCopy); { Set pen to black 2/100ths" wide }

    YPos := 0.95;

    PrintCenter('Arc() and Chord()',2.125);

    Arc(1.125,1.0,3.125,3.0,3.125,2.0,0.0,0.0);

    SetBrush(clBlack,bsClear,nil);

    Chord(1.125,1.0,3.125,3.0,0.0,0.8,3.125,2.25);

  { 饼图 }

    YPos := 0.95;

    PrintCenter('Pie()',4.25);

    SetPen(clBlack,psSolid,-2,pmCopy); { Set pen to black 2/100ths" wide }

    SetBrush(clBlack,bsHorizontal,nil);

    Pie(3.25,1.0,5.25,3.0,5.25,2.0,0.0,0.0);

    SetBrush(clBlack,bsVertical,nil);

    Pie(3.25,1.0,5.25,3.0,0.0,0.0,3.25,7.0);

    SetBrush(clBlack,bsBDiagonal,nil);

    Pie(3.25,1.0,5.25,3.0,3.25,7.0,5.25,2.0);

   { Bitmap 图片}

    YPos := 3.4;

    PrintCenter('PaintBitmapRect()',6.375);

    Bitmap := TBitmap.Create;

    Bitmap.LoadFromFile('RPDEMO.BMP');

    PrintBitmapRect(5.375,3.5,7.375,5.5,Bitmap);

    Bitmap.Free;

   end;

end;

procedure TForm1.Button1Click(Sender: TObject);

begin

  RvSystem1.Execute; //执行报表!

end;

end.


##################################################################################

   好了,这样我们并没有使用rave,仅仅利用程序实现了报表。
  评论这张
 
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