product.cpp

这是一个库存管理系统

// Product.cpp: implementation of the CProduct class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "Stock.h"
#include "Product.h"
#include "ADOConn.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CProduct::CProduct()
{
	Pid = 0;
	Pname = "";
	TypeId = 0;
	Pstyle = "";
	Punit = "";
	Pprice = 0;
	Plow = 0;
	Phigh = 0;
	Valid = 0;
	AlarmDays = 0;
}

CProduct::~CProduct()
{

}

//设置和读取成员变量
int CProduct::GetPid()
{
	return Pid;
}

void CProduct::SetPid(int iPid)
{
	Pid = iPid;
}

CString CProduct::GetPname()
{
	return Pname;
}

void CProduct::SetPname(CString cPname)
{
	Pname = cPname;
}

int CProduct::GetTypeId()
{
	return TypeId;
}

void CProduct::SetTypeId(int iTypeId)
{
	TypeId = iTypeId;
}

CString CProduct::GetPstyle()
{
	return Pstyle;
}

void CProduct::SetPstyle(CString cPstyle)
{
	Pstyle = cPstyle;
}

CString CProduct::GetPunit()
{
	return Punit;
}

void CProduct::SetPunit(CString cPunit)
{
	Punit = cPunit;
}

float CProduct::GetPprice()
{
	return Pprice;
}

void CProduct::SetPprice(float fPprice)
{
	Pprice = fPprice;
}

int CProduct::GetPlow()
{
	return Plow;
}

void CProduct::SetPlow(int iPlow)
{
	Plow = iPlow;
}

int CProduct::GetPhigh()
{
	return Phigh;
}

void CProduct::SetPhigh(int iPhigh)
{
	Phigh = iPhigh;
}

int CProduct::GetValid()
{
	return Valid;
}

void CProduct::SetValid(int iValid)
{
	Valid = iValid;
}

int CProduct::GetAlarmDays()
{
	return AlarmDays;
}

void CProduct::SetAlarmDays(int iAlarmDays)
{
	AlarmDays = iAlarmDays;
}

//数据库操作
int CProduct::HaveName(CString cPname)
{
	//连接数据库
	ADOConn m_AdoConn;
	m_AdoConn.OnInitADOConn();
	//设置SELECT语句
	_bstr_t vSQL;
	vSQL = "SELECT * FROM Product WHERE Pname='" + cPname + "'";
	//执行SELETE语句
	_RecordsetPtr m_pRecordset;
	m_pRecordset = m_AdoConn.GetRecordSet(vSQL);

	//返回各列的值
	if (m_pRecordset->adoEOF)
		return -1;
	else
		return 1;
	//断开与数据库的连接
	m_AdoConn.ExitConnect();
}

int CProduct::HaveType(CString cTypeId)
{
	//连接数据库
	ADOConn m_AdoConn;
	m_AdoConn.OnInitADOConn();
	//设置SELECT语句
	_bstr_t vSQL;
	vSQL = "SELECT * FROM Product WHERE TypeId=" + cTypeId;
	//执行SELETE语句
	_RecordsetPtr m_pRecordset;
	m_pRecordset = m_AdoConn.GetRecordSet(vSQL);

	//返回各列的值
	if (m_pRecordset->adoEOF)
		return -1;
	else
		return 1;
	//断开与数据库的连接
	m_AdoConn.ExitConnect();
}

void CProduct::sql_insert()
{
	//连接数据库
	ADOConn m_AdoConn;
	m_AdoConn.OnInitADOConn();
	//设置INSERT语句
	CString strTypeId;
	strTypeId.Format("%d", TypeId);
	CString strPrice;
	strPrice.Format("%f", Pprice);
	CString strPlow;
	strPlow.Format("%d", Plow);
	CString strPhigh;
	strPhigh.Format("%d", Phigh);
	CString strValid;
	strValid.Format("%d", Valid);
	CString strAlarm;
	strAlarm.Format("%d", AlarmDays);

	_bstr_t vSQL;
	vSQL = "INSERT INTO Product (Pname, TypeId, Pstyle, Punit, Pprice, Plow, Phigh, Valid, AlarmDays) VALUES('" 
		+ Pname + "'," + strTypeId + ",'" + Pstyle + "','" + Punit + "'," + strPrice + "," + strPlow + ","
		+ strPhigh + "," + strValid + "," + strAlarm + ")";
	
	//执行INSERT语句
	m_AdoConn.ExecuteSQL(vSQL);	
	//断开与数据库的连接
	m_AdoConn.ExitConnect();
}
	
void CProduct::sql_update(CString cPid)
{
	//连接数据库
	ADOConn m_AdoConn;
	m_AdoConn.OnInitADOConn();
	//设置UPDATE语句
	CString strTypeId;
	strTypeId.Format("%d", TypeId);
	CString strPrice;
	strPrice.Format("%f", Pprice);
	CString strPlow;
	strPlow.Format("%d", Plow);
	CString strPhigh;
	strPhigh.Format("%d", Phigh);
	CString strValid;
	strValid.Format("%d", Valid);
	CString strAlarm;
	strAlarm.Format("%d", AlarmDays);
	
	_bstr_t vSQL;
	vSQL = "UPDATE Product SET Pname='" + Pname + "', Pstyle='" 
		+ Pstyle + "', Punit='" + Punit + "', Pprice=" 
		+ strPrice + ", Plow=" + strPlow + ", Phigh=" + strPhigh
		+ ", Valid=" + strValid + ", AlarmDays=" + strAlarm
		+ " WHERE Pid=" + cPid;
	
	//执行UPDATE语句
	m_AdoConn.ExecuteSQL(vSQL);	
	//断开与数据库的连接
	m_AdoConn.ExitConnect();
}	

void CProduct::sql_delete(CString cPid)
{
	//连接数据库
	ADOConn m_AdoConn;
	m_AdoConn.OnInitADOConn();
	//设置DELETE语句
	_bstr_t vSQL;
	vSQL = "DELETE FROM Product WHERE Pid=" + cPid;
	//执行DELETE语句
	m_AdoConn.ExecuteSQL(vSQL);	
	//断开与数据库的连接
	m_AdoConn.ExitConnect();
}

//读取所有字段值
void CProduct::GetData(CString cPid)
{
	//连接数据库
	ADOConn m_AdoConn;
	m_AdoConn.OnInitADOConn();
	//设置SELECT语句
	_bstr_t vSQL;
	vSQL = "SELECT * FROM Product WHERE Pid=" + cPid;
	//执行SELETE语句
	_RecordsetPtr m_pRecordset;
	m_pRecordset = m_AdoConn.GetRecordSet(vSQL);

	//返回各列的值
	if (m_pRecordset->adoEOF)
		CProduct();
	else
	{
		Pid = atoi(cPid);
		Pname = (LPCTSTR)(_bstr_t)m_pRecordset->GetCollect("Pname");
		TypeId = atoi((LPCTSTR)(_bstr_t)m_pRecordset->GetCollect("TypeId"));
		Pstyle = (LPCTSTR)(_bstr_t)m_pRecordset->GetCollect("Pstyle");
		Punit = (LPCTSTR)(_bstr_t)m_pRecordset->GetCollect("Punit");
		Pprice = atof((LPCTSTR)(_bstr_t)m_pRecordset->GetCollect("Pprice"));
		Plow = atoi((LPCTSTR)(_bstr_t)m_pRecordset->GetCollect("Plow"));
		Phigh = atoi((LPCTSTR)(_bstr_t)m_pRecordset->GetCollect("Phigh"));
		Valid = atoi((LPCTSTR)(_bstr_t)m_pRecordset->GetCollect("Valid"));
		AlarmDays = atoi((LPCTSTR)(_bstr_t)m_pRecordset->GetCollect("AlarmDays"));
	}
	//断开与数据库的连接
	m_AdoConn.ExitConnect();
}