//插入及更新操作
int nRet = 0;
sqlite3 * db = NULL;
CString strFilePath; //数据库存储路径
//路径赋值（省略）
//连接数据库
nRet = sqlite3_open16(strFilePath, &db); //有几个打开函数可供调用，使用WCHAR类型路径用这个
if(nRet != SQLITE_OK)
{
LogD(_Q_D,L"数据库打开失败");
return -4;
}
CString strSQLSentence;
char *szSQLSentence = NULL;
组织SQL语句
**********************
{
//更新操作
strSQLSentence.Format(L"update tbl_ad set AD_TITLE='%s', AD_INFO='%s', BEGIN_TIME='%s', END_TIME='%s' where AD_ID='%s';", strADTitle, strADInfo, strADBeginTime, strADEndTime, strADId);
}
{
//插入操作
strSQLSentence.Format(L"insert into tbl_Advertisement values('%s','%s','%s','%s','%s');", strADId, strADTitle, strADInfo, strADBeginTime, strADEndTime);
}
**********************
//将SQL语句转换成sqlite函数能执行的UTF8格式
nLen = 0;
nLen = WideCharToMultiByte(CP_UTF8, 0, strSQLSentence, -1, NULL, 0, NULL, 0);
szSQLSentence = new char[nLen+1];
if (szSQLSentence == NULL)
{
return -6;
}
memset(szSQLSentence, 0, nLen+1);
WideCharToMultiByte(CP_UTF8, 0, strSQLSentence, -1, szSQLSentence, nLen+1, NULL, 0);
//锁定数据库
if(SQLiteLock(L"terminalplat.db",30*1000) == 0) //SQLiteLock为自写的一套锁机制中的函数
{
// 准备执行SQL
nRet = sqlite3_exec( db, "begin;", 0, 0, 0);
if(nRet == SQLITE_OK)
{
BOOL bSuccess = TRUE;
char * pErrMsg = NULL;
// 执行SQL
nRet = sqlite3_exec( db, szSQLSentence, 0, 0, &pErrMsg);
if(nRet != SQLITE_OK)
