mainform.cpp

C++ BUILDER精彩编程实例集锦(源码)2 第三部分 文件操作 第四部分 图像处理

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

#include <vcl.h>
#pragma hdrstop

#include "MainForm.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
  this->Edit1->Text="";
  this->Edit2->Text="";
  this->Edit3->Text="";
}
//---------------------------------------------------------------------------
void __fastcall TForm1::BitBtn1Click(TObject *Sender)
{
  if(this->OpenDialog1->Execute())
  {
    this->Edit1->Text=OpenDialog1->FileName;
  }
}
//---------------------------------------------------------------------------


void __fastcall TForm1::BitBtn2Click(TObject *Sender)
{
  try
  {
   this->Memo1->Lines->LoadFromFile(this->Edit1->Text);
  }
  catch(Exception&e)
  {
    MessageBox(NULL,"文本文件不能正确打开","信息提示",MB_OK);
    return;
  }
  int iCount=0,i=0;
  bool bFlag=false;
  char p1[255],p2[255],*p3,*p4;

  for(i=0;i<this->Memo1->Lines->Count;i++)
  {
    StrPCopy(p1,this->Memo1->Lines->Strings[i]);
    p3=&(p1[0]);
    while((*p3)!='\0')
    {
      StrPCopy(p2,this->Edit2->Text);
      p4=&(p2[0]);
      if(strlen(p4)>strlen(p3))
         break;
      bFlag=true;
      while((*p4)!='\0'&&(*p3)!='\0')
      {
        if(*p4!=*p3)
        {
          bFlag=false;
          p3++;
          break;
        }
        p4++;
        p3++;
      }
      if(bFlag==true)
       iCount++;
    }
   }
   if(iCount)
   {
      AnsiString StrResult;
      StrResult="找到";
      StrResult+=IntToStr(iCount);
      StrResult+="个相同的字符串";
      this->Edit3->Text=StrResult;
   }
   else
   {
      this->Edit3->Text="没有找到相同的字符串";
   }
}
//---------------------------------------------------------------------------