unit1.cpp

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//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)
{
  int ii;
  AnsiString myfield,ass;
  if(!OpenDialog1->Execute())return;
//Query1初始化
  Query1->Active=False;
  Query1->SQL->Clear();
  Query1->SQL->Add("select *");
  ass="from \""+OpenDialog1->FileName+"\"";
  Query1->SQL->Add(ass);
  Query1->Active=True;
//Table1初始化
  Table1->Active=False;
  Table1->TableName=OpenDialog1->FileName;
  Table1->EmptyTable();
  Table1->Active=True;
//复制记录
  while(!Query1->Eof)
  {
    Table1->Append();
    for(ii=0;ii<Query1->FieldCount;ii++)
    {
      myfield=Table1->Fields->Fields[ii]->FieldName;
      switch(Table1->Fields->Fields[ii]->DataType)
      {
        case ftString:
          Table1->FieldByName(myfield)->AsString=Query1->FieldByName(myfield)->AsString;
          break;
        case ftSmallint:
        case ftInteger:
        case ftWord:
          Table1->FieldByName(myfield)->AsInteger=Query1->FieldByName(myfield)->AsInteger;
          break;
        case ftBoolean:
          Table1->FieldByName(myfield)->AsString=Query1->FieldByName(myfield)->AsString;
          break;
        case ftFloat:
          Table1->FieldByName(myfield)->AsFloat=Query1->FieldByName(myfield)->AsFloat;
          break;
        case ftCurrency:
          Table1->FieldByName(myfield)->AsCurrency=Query1->FieldByName(myfield)->AsCurrency;
          break;
        case ftDate:
        case ftTime:
        case ftDateTime:
          Table1->FieldByName(myfield)->AsDateTime=Query1->FieldByName(myfield)->AsDateTime;
          break;
        default:
          break;
      }
    }
    Table1->Post();
    Query1->Next();
  }
}
//---------------------------------------------------------------------------