📄 listitem.cpp
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// ListItem.cpp: implementation of the CListItem class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "CarService.h"
#include "ListItem.h"
#include "ADOConn.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CListItem::CListItem()
{
ListId = 0;
RegId = 0;
ItemId = 0;
ItemCount = 0.0;
ItemSum = 0.0;
Memo = "";
}
CListItem::~CListItem()
{
}
// 判断指定的登记编号是否存在
int CListItem::HaveRegId(CString paraRegId)
{
//连接数据库
ADOConn m_AdoConn;
m_AdoConn.OnInitADOConn();
//设置SELECT语句
_bstr_t vSQL;
vSQL = "SELECT * FROM ListItem WHERE RegId=" + paraRegId;
//执行SELECT语句
_RecordsetPtr m_pRecordset;
m_pRecordset = m_AdoConn.GetRecordSet(vSQL);
if (m_pRecordset->adoEOF)
return -1;
else
return 1;
//断开与数据库的连接
m_AdoConn.ExitConnect();
}
// 判断是否存在项目编号
int CListItem::HaveItemId(CString paraItemId)
{
//连接数据库
ADOConn m_AdoConn;
m_AdoConn.OnInitADOConn();
//设置SELECT语句
_bstr_t vSQL;
vSQL = "SELECT * FROM ListItem WHERE ItemId=" + paraItemId;
//执行SELECT语句
_RecordsetPtr m_pRecordset;
m_pRecordset = m_AdoConn.GetRecordSet(vSQL);
if (m_pRecordset->adoEOF)
return -1;
else
return 1;
//断开与数据库的连接
m_AdoConn.ExitConnect();
}
// 插入操作
void CListItem::SqlInsert()
{
//连接数据库
ADOConn m_AdoConn;
m_AdoConn.OnInitADOConn();
//设置INSERT语句
CString sRegId,sItemId,sCount,sSum;
sRegId.Format("%ld", RegId);
sItemId.Format("%ld", ItemId);
sCount.Format("%lf", ItemCount);
sSum.Format("%lf", ItemSum);
_bstr_t vSQL;
vSQL = "INSERT INTO ListItem VALUES(" + sRegId + "," + sItemId + ","
+ sCount + "," + sSum+ ",'" + Memo + "')";
//执行INSERT语句
m_AdoConn.ExecuteSQL(vSQL);
//断开与数据库的连接
m_AdoConn.ExitConnect();
}
// 修改操作
void CListItem::SqlUpdate(CString paraId)
{
//连接数据库
ADOConn m_AdoConn;
m_AdoConn.OnInitADOConn();
//设置UPDATE语句
CString sRegId,sItemId,sCount,sSum;
sRegId.Format("%ld", RegId);
sItemId.Format("%ld", ItemId);
sCount.Format("%lf", ItemCount);
sSum.Format("%lf", ItemSum);
_bstr_t vSQL;
vSQL = "UPDATE ListItem SET RegId=" + sRegId + ", ItemId=" + sItemId
+ ", ItemCount=" + sCount + ", ItemSum=" + sSum
+ ", Memo='" + Memo + "' WHERE ListId = " + paraId;
//执行UPDATE语句
m_AdoConn.ExecuteSQL(vSQL);
//断开与数据库的连接
m_AdoConn.ExitConnect();
}
// 删除操作
void CListItem::SqlDelete(CString paraId)
{
//连接数据库
ADOConn m_AdoConn;
m_AdoConn.OnInitADOConn();
//设置DELETE语句
_bstr_t vSQL;
vSQL = "DELETE FROM ListItem WHERE ListId = " + paraId;
//执行DELETE语句
m_AdoConn.ExecuteSQL(vSQL);
//断开与数据库的连接
m_AdoConn.ExitConnect();
}
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