Delphi之Exception获得错误信息

 

相关资料：

http://www.cnblogs.com/hackpig/archive/2010/02/15/1668547.html

 

实例代码：

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  int1: Integer;
begin
  try
    int1 := StrToInt('A');
  except
    ShowMessage(Exception(ExceptObject).Message);
  end;
end;

end.

 

PS：

try
DataModule1.PHBADOQuery2.ExecSQL ;
except
on e:exception do
begin
ShowMessage(e.Message);
end;
end;

try
int1 := StrToInt('A');
except
ShowMessage(Exception(ExceptObject).Message);
end;

try
except
end;

try
finally
end;