onsale.txt

VC++ 书店销售管理系统 前台销售管理

 len2=strlen(tempISBN);

 while(feof(fp)==0)
 {
	fscanf(fp,"%20s%20s%20s%20s%20s%20s\n",&temp.bookname,&temp.ISBN,&temp.artister,&temp.presser,&temp.kind,&temp.price);
    {
		if(strcmp(temp.bookname," ")!=0)
    	n++;
	}
 }


 if(n==0)
 {
    MessageBox("书库为空!\n请您重新入库"); 
    UpdateData(FALSE); 
 }
 else if(len1==0&&len2==0)
 {
	MessageBox("书名和ISBN码不能都为空!\n请您重新输入"); 
    UpdateData(FALSE); 
 }
 else if(len1!=0&&len2==0)
 {
	fp=fopen("e:\\mybook.txt","r");
    while(feof(fp)==0)
	{
		fscanf(fp,"%20s%20s%20s%20s%20s%20s\n",&temp.bookname,&temp.ISBN,&temp.artister,&temp.presser,&temp.kind,&temp.price);
        if(strcmp(tempbookname,temp.bookname)==0)
		{
			strcpy(bookname,temp.bookname);
			strcpy(ISBN,temp.ISBN);
			strcpy(artister,temp.artister);
			strcpy(presser,temp.presser);
			strcpy(kind,temp.kind);
			strcpy(price,temp.price);
			flag++;
			break;
		}
	}
    while(feof(fp)==0)
	{
	    fscanf(fp,"%20s%20s%20s%20s%20s%20s\n",&temp.bookname,&temp.ISBN,&temp.artister,&temp.presser,&temp.kind,&temp.price);
         if(strcmp(bookname,temp.bookname)==0)
	       ++Flag; 
	}

  if(flag==0)
  {
	  str_count.Format("%d",Flag);
      CEdit* edt3 = (CEdit*)GetDlgItem(IDC_EDIT3);
      edt3->SetWindowText(str_count);
	  MessageBox("   没有此书!"); 
  }
    else
	{
	 ++Flag;

	 str_bookname.Format("%s",bookname);
     CEdit* edt1 = (CEdit*)GetDlgItem(IDC_EDIT1);
     edt1->SetWindowText(str_bookname);

     str_ISBN.Format("%s",ISBN);
     CEdit* edt2 = (CEdit*)GetDlgItem(IDC_EDIT2);
     edt2->SetWindowText(str_ISBN);

 	 str_count.Format("%d",Flag);
     CEdit* edt3 = (CEdit*)GetDlgItem(IDC_EDIT3);
     edt3->SetWindowText(str_count);

     str_artister.Format("%s",artister);
     CEdit* edt4 = (CEdit*)GetDlgItem(IDC_EDIT4);
     edt4->SetWindowText(str_artister);

     str_presser.Format("%s",presser);
     CEdit* edt5 = (CEdit*)GetDlgItem(IDC_EDIT5);
     edt5->SetWindowText(str_presser);

     str_kind.Format("%s",kind);
     CEdit* edt6 = (CEdit*)GetDlgItem(IDC_EDIT6);
     edt6->SetWindowText(str_kind);

     str_price.Format("%s",price);
     CEdit* edt7 = (CEdit*)GetDlgItem(IDC_EDIT7);
     edt7->SetWindowText(str_price);
	}
}

else if(len1==0&&len2!=0)
{
	fp=fopen("e:\\mybook.txt","r");
    while(feof(fp)==0)
	{
		fscanf(fp,"%20s%20s%20s%20s%20s%20s\n",&temp.bookname,&temp.ISBN,&temp.artister,&temp.presser,&temp.kind,&temp.price);
        if(strcmp(tempISBN,temp.ISBN)==0)
		{
			strcpy(bookname,temp.bookname);
			strcpy(ISBN,temp.ISBN);
			strcpy(artister,temp.artister);
			strcpy(presser,temp.presser);
			strcpy(kind,temp.kind);
			strcpy(price,temp.price);
			flag++; 
			break;
		}
	}
	while(feof(fp)==0)
	{
	   fscanf(fp,"%20s%20s%20s%20s%20s%20s\n",&temp.bookname,&temp.ISBN,&temp.artister,&temp.presser,&temp.kind,&temp.price);
        if(strcmp(bookname,temp.bookname)==0)
	     ++Flag; 
	}

  if(flag==0)
  {
	  str_count.Format("%d",Flag);
      CEdit* edt3 = (CEdit*)GetDlgItem(IDC_EDIT3);
      edt3->SetWindowText(str_count);
	  MessageBox("   没有此书!"); 
  }
    else
	{
	 Flag++;

	 str_bookname.Format("%s",bookname);
     CEdit* edt1 = (CEdit*)GetDlgItem(IDC_EDIT1);
     edt1->SetWindowText(str_bookname);

     str_ISBN.Format("%s",ISBN);
     CEdit* edt2 = (CEdit*)GetDlgItem(IDC_EDIT2);
     edt2->SetWindowText(str_ISBN);

	 str_count.Format("%d",Flag);
     CEdit* edt3 = (CEdit*)GetDlgItem(IDC_EDIT3);
     edt3->SetWindowText(str_count);

     str_artister.Format("%s",artister);
     CEdit* edt4 = (CEdit*)GetDlgItem(IDC_EDIT4);
     edt4->SetWindowText(str_artister);

     str_presser.Format("%s",presser);
     CEdit* edt5 = (CEdit*)GetDlgItem(IDC_EDIT5);
     edt5->SetWindowText(str_presser);

     str_kind.Format("%s",kind);
     CEdit* edt6 = (CEdit*)GetDlgItem(IDC_EDIT6);
     edt6->SetWindowText(str_kind);

     str_price.Format("%s",price);
     CEdit* edt7 = (CEdit*)GetDlgItem(IDC_EDIT7);
     edt7->SetWindowText(str_price);
	}
}

else
{
	fp=fopen("e:\\mybook.txt","r");
    while(feof(fp)==0)
	{
		fscanf(fp,"%20s%20s%20s%20s%20s%20s\n",&temp.bookname,&temp.ISBN,&temp.artister,&temp.presser,&temp.kind,&temp.price);
        if(strcmp(tempISBN,temp.ISBN)==0&&strcmp(tempbookname,temp.bookname)==0)
		{
			flag++; 
			strcpy(bookname,temp.bookname);
			strcpy(ISBN,temp.ISBN);
			strcpy(artister,temp.artister);
			strcpy(presser,temp.presser);
			strcpy(kind,temp.kind);
			strcpy(price,temp.price);
			break;
		}
	}
	while(feof(fp)==0)
	{
	   fscanf(fp,"%20s%20s%20s%20s%20s%20s\n",&temp.bookname,&temp.ISBN,&temp.artister,&temp.presser,&temp.kind,&temp.price);
        if(strcmp(bookname,temp.bookname)==0)
	     ++Flag; 
	}
  if(flag==0)
  {
	  str_count.Format("%d",Flag);
      CEdit* edt3 = (CEdit*)GetDlgItem(IDC_EDIT3);
      edt3->SetWindowText(str_count);
	  MessageBox("   没有此书!"); 
  }
    else
	{
	 Flag++;

	 str_bookname.Format("%s",bookname);
     CEdit* edt1 = (CEdit*)GetDlgItem(IDC_EDIT1);
     edt1->SetWindowText(str_bookname);

     str_ISBN.Format("%s",ISBN);
     CEdit* edt2 = (CEdit*)GetDlgItem(IDC_EDIT2);
     edt2->SetWindowText(str_ISBN);

     str_count.Format("%d",Flag);
     CEdit* edt3 = (CEdit*)GetDlgItem(IDC_EDIT3);
     edt3->SetWindowText(str_count);

     str_artister.Format("%s",artister);
     CEdit* edt4 = (CEdit*)GetDlgItem(IDC_EDIT4);
     edt4->SetWindowText(str_artister);

     str_presser.Format("%s",presser);
     CEdit* edt5 = (CEdit*)GetDlgItem(IDC_EDIT5);
     edt5->SetWindowText(str_presser);

     str_kind.Format("%s",kind);
     CEdit* edt6 = (CEdit*)GetDlgItem(IDC_EDIT6);
     edt6->SetWindowText(str_kind);

     str_price.Format("%s",price);
     CEdit* edt7 = (CEdit*)GetDlgItem(IDC_EDIT7);
     edt7->SetWindowText(str_price);
	}
}

fclose(fp);
UpdateData(FALSE); 		
}

void CXIAOSHOU::OnTIME() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
    SYSTEMTIME st;
    GetLocalTime(&st);
    CString str_temp;
    str_temp.Format("%u:%u:%u:%u\n",st.wHour, st.wMinute, st.wSecond, st.wMilliseconds);
    CEdit* edt = (CEdit*)GetDlgItem(IDC_EDIT13);
    edt->SetWindowText(str_temp);
	
}

void CXIAOSHOU::OnDeleteXiaoshou() 
{
	// TODO: Add your control notification handler code here
    struct book *q,*k,Myrecord[6000];
    char ch1[20],ch2[20];
    char tempbookname[20],tempISBN[20];
    int  len1,len2;
    int  n=0;
	
    SendDlgItemMessage(IDC_EDIT1,WM_GETTEXT,20,(LPARAM)ch1);
    SendDlgItemMessage(IDC_EDIT2,WM_GETTEXT,20,(LPARAM)ch2);
    strcpy(tempbookname,ch1);
    strcpy(tempISBN,ch2);
    len1=strlen(tempbookname);
    len2=strlen(tempISBN);

    FILE *fp;
    if((fp=fopen("e:\\mybook.txt","r"))==NULL) 
    {
       MessageBox("  连接数据库失败\n书店销售管理系统");
       UpdateData(FALSE);
    }
	q=Myrecord;
    while(feof(fp)==0)
    {
        fscanf(fp,"%20s%20s%20s%20s%20s%20s\n",q->bookname,q->ISBN,q->artister,q->presser,q->kind,q->price);
    	q++;
        n++;
    }
    fclose(fp);
    if(len1==0||len2==0)
    {
    	MessageBox("书名和ISBN码不能都为空!\n         请您重新输入"); 
        UpdateData(FALSE); 
    }
	else if(n==0)
    {
    	MessageBox("    书库为空!\n请您入库"); 
        UpdateData(FALSE); 
    }
    else
    {
       for(k=Myrecord;k<Myrecord+n;k++)
       if(strcmp(tempbookname,k->bookname)==0&&strcmp(tempISBN,k->ISBN)==0)        
	    break;       
        if(k<Myrecord+n)
		{
			for(q=k;q<k+n-1;q++)
            *q=*(q+1);
			if((fp=fopen("e:\\mybook.txt","w"))==NULL) 
			{
				MessageBox("  连接数据库失败\n书店销售管理系统");
                UpdateData(FALSE);
			}
            for(q=Myrecord;q<Myrecord+n-1;q++)
            fprintf(fp,"%-20s%-20s%-20s%-20s%-20s%-20s\n",q->bookname,q->ISBN,q->artister,q->presser,q->kind,q->price);
            fclose(fp);
            MessageBox("     销售成功!\n书店销售管理系统");
            UpdateData(FALSE); 
		}
        else
		{
            MessageBox("        没有此书!\n书店销售管理系统");
            UpdateData(FALSE);  
		}
	}
}