unit1.cpp

实现了文件的传输。（任何文件）

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop
#include "process.h"
#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)
{
AnsiString s;
TFileStream *MyFStream;
MyFStream = new TFileStream(Edit2->Text, fmOpenRead);
try
{
NMStrm1->Host = Edit1->Text; //主机名
NMStrm1->FromName =ExtractFileName(Edit2->Text);//发送
NMStrm1->PostIt(MyFStream);
s="文件"+OpenDialog1->FileName+"发送成功";
StatusBar1->SimpleText=s;
}
catch(...)
{
StatusBar1->SimplePanel="文件发送失败";
}
MyFStream->Free();
}
//---------------------------------------------------------------------------

void __fastcall TForm1::NMStrmServ1MSG(TComponent *Sender,
      const AnsiString sFrom, TStream *strm)
{
AnsiString DataFileName=sFrom;
SaveDialog1->Filter=ExtractFileExt(DataFileName);
if(SaveDialog1->Execute())
{
if (FileExists(SaveDialog1->FileName))//如果目标文件存在则删除
DeleteFile(SaveDialog1->FileName);
TFileStream *MyFStream;  //建立文件
MyFStream = new TFileStream(SaveDialog1->FileName+ExtractFileExt(DataFileName), fmCreate);
try
{
MyFStream->CopyFrom(strm, strm->Size);
AnsiString s="接收成功！文件另存为"+SaveDialog1->FileName;
StatusBar1->SimpleText=s;
}
catch(...)
{
ShowMessage("接收失败！");
}
MyFStream->Free(); //释放
}
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button2Click(TObject *Sender)
{
if(OpenDialog1->Execute())
Edit2->Text=OpenDialog1->FileName;
}
//---------------------------------------------------------------------------