小白求解。。。使用动态数组的时候会出现内存报错，求各位大神指教。

Ricky24

学习小甲鱼老师的制作表格，于是自己想用动态数组弄一遍，结果出现了令我这种程序小白干瞪眼的情况，望各位大神指教下。:cry

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, StdCtrls, Grids;

type
  TForm1 = class(TForm)
    Panel1: TPanel;
    Label1: TLabel;
    Edit1: TEdit;
    Button1: TButton;
    Button2: TButton;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    Table1: TStringGrid;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  InputStr: String;
  Tab: Array of Array of String;

implementation
var
  n: Integer = 1;
{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
  InputStr:= InputBox('请输入','请输入需要录入的人数：','');
  Button2.Enabled:=False;
  SetLength(Tab,4,StrToInt(InputStr)+1);
  Table1.RowCount:= StrToInt(InputStr)+1;
  Table1.Cells[0,0]:='姓名';
  Table1.Cells[1,0]:='语文';
  Table1.Cells[2,0]:='数学';
  Table1.Cells[3,0]:='英语';
  Table1.Visible:= False;
  Form1.AutoSize:= True;

end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  If(n<StrToInt(InputStr)) then
    begin
    Tab[0][n]:= Edit1.Text;
    Tab[1][n]:= Edit2.Text;
    Tab[2][n]:= Edit3.Text;
    Tab[3][n]:= Edit4.Text;
    end
  else
    begin
    Tab[0][n]:= Edit1.Text;
    Tab[1][n]:= Edit2.Text;
    Tab[2][n]:= Edit3.Text;
    Tab[3][n]:= Edit4.Text;
    Button1.Enabled:= False;
    Button2.Enabled:= True;
    end;
  Edit1.Clear;
  Edit2.Clear;
  Edit3.Clear;
  Edit4.Clear;
  Button1.Caption:=IntToStr(StrToInt(InputStr)-n)+'/'+InputStr;
  n := n + 1;

end;

procedure TForm1.Button2Click(Sender: TObject);
var
  i,j: Integer;
begin
  For j:=1 to StrToInt(InputStr) do
    begin
    For i:=0 to 4 do
      Table1.Cells[i,j]:=Tab[i][j];
    end;
  Table1.Visible:= True;
end;

end.

蚂蚁_Data

setlength(Tap,StrToInt(InputStr)+1)

Ricky24

蚂蚁_Data 发表于 2015-1-12 12:09
setlength(Tap,StrToInt(InputStr)+1)

谢谢啊，是最后循环那里次数粗心弄错了。