bookinfopage.cpp

用Visual c++.net实现电子商务的实现（内含源代码）

// BookInfoPage.cpp : 实现文件
//

#include "stdafx.h"
#include "ECClient.h"
#include "BookInfoPage.h"
#include ".\bookinfopage.h"
#include "ClientSheetDlg.h"
#include "BuyDialog.h"
// CBookInfoPage 对话框

IMPLEMENT_DYNAMIC(CBookInfoPage, CPropertyPage)
CBookInfoPage::CBookInfoPage()
	: CPropertyPage(CBookInfoPage::IDD)
	, book_item_num(0)
	, book_disp_pos(0)
{
}

CBookInfoPage::~CBookInfoPage()
{
}

void CBookInfoPage::DoDataExchange(CDataExchange* pDX)
{
	CPropertyPage::DoDataExchange(pDX);	
}


BEGIN_MESSAGE_MAP(CBookInfoPage, CPropertyPage)
	ON_BN_CLICKED(IDC_BTN_BUY, OnBnClickedBtnBuy)
	ON_BN_CLICKED(IDC_BTN_NEXT, OnBnClickedBtnNext)
	ON_BN_CLICKED(IDC_BTN_PREV, OnBnClickedBtnPrev)
END_MESSAGE_MAP()


// CBookInfoPage 消息处理程序

BOOL CBookInfoPage::OnInitDialog()
{
	CPropertyPage::OnInitDialog();

	// TODO:  在此添加额外的初始化
    memset(&books[0],0,MAX_BOOK_NUM*sizeof(Book));//清空书目数组
	return TRUE; 
	
}

int  CBookInfoPage::SetBookInfo(Book& book)//保存书目信息
{//把书目信息保存在书目数组中
	books[book_item_num].book_id = book.book_id;
	strcpy(books[book_item_num].book_name,book.book_name);
	strcpy(books[book_item_num].book_author,book.book_author);
	strcpy(books[book_item_num].price,book.price);
	books[book_item_num].left_num = book.left_num;
	strcpy(books[book_item_num].priview,book.priview);
	strcpy(books[book_item_num].publish_time,book.publish_time);
	strcpy(books[book_item_num].publisher,book.publisher);

	if(book_item_num==0)
    DispBookInfo(book_item_num);//默认显示第一条书目信息
	book_item_num++;
	return 0;
}

BOOL CBookInfoPage::OnSetActive()
{
	// TODO: 在此添加专用代码和/或调用基类

	return CPropertyPage::OnSetActive();
}

void CBookInfoPage::OnBnClickedBtnBuy()//购书处理
{
	// TODO: 在此添加控件通知处理程序代码
	CBuyDialog buydlg;
	INT_PTR nResponse = buydlg.DoModal();//显示购书窗口
	if(nResponse == IDOK)
	{    
		CClientSheetDlg* sheetDlg =(CClientSheetDlg*)GetParent();//得到CClientSheetDlg窗口指针	
		sheetDlg->BuyBook(atoi(buydlg.book_id.GetBuffer(0)),buydlg.book_name,buydlg.buy_num);
		AfxMessageBox("购书成功! 您可以到[用户信息]栏查看购书情况");
	} 
}

void CBookInfoPage::OnBnClickedBtnNext()//显示下一条书目记录
{
	// TODO: 在此添加控件通知处理程序代码
	DispBookInfo(++book_disp_pos);//book_disp_pos指明当前显示的书目位置
}

int CBookInfoPage::DispBookInfo(int item_num)//在控件上显示书目信息
{
	SetDlgItemInt(IDC_EDT_BOOK_ID,books[item_num].book_id);
	SetDlgItemText(IDC_EDT_BOOK_NAME,books[item_num].book_name);
	SetDlgItemText(IDC_EDT_BOOK_AUTHOR,books[item_num].book_author);
	SetDlgItemText(IDC_EDT_PRICE,books[item_num].price);
	SetDlgItemInt(IDC_EDT_LEFT_NUM,books[item_num].left_num);
	SetDlgItemText(IDC_EDT_PRIVIEW,books[item_num].priview);
	SetDlgItemText(IDC_EDT_PUBLISH_TIME,books[item_num].publish_time);
	SetDlgItemText(IDC_EDT_PUBLISHER,books[item_num].publisher);
	return 0;
}

void CBookInfoPage::OnBnClickedBtnPrev()//显示上一条书目记录
{
	// TODO: 在此添加控件通知处理程序代码
	if(book_disp_pos==0)
	{		
		AfxMessageBox("已经是第一条记录");	
		return;
	}

    DispBookInfo(--book_disp_pos);//book_disp_pos指明当前显示的书目位置
}