103 lines
2.0 KiB
C++
103 lines
2.0 KiB
C++
|
|
#include <exception>
|
|
#include "Parameters.h"
|
|
#include "sqlite/sqlite3.h"
|
|
|
|
using namespace std;
|
|
|
|
Parameters::Parameters(void)
|
|
{
|
|
}
|
|
|
|
Parameters::Parameters(const string & strFilePath)
|
|
{
|
|
sqlite3 * pdbParameter;
|
|
|
|
int returnCode;
|
|
int nRowCount;
|
|
int nColCount;
|
|
|
|
char ** result;
|
|
char * pszMessage;
|
|
char szSQL[] =
|
|
"select name, value from sys_parameter ";
|
|
|
|
returnCode = sqlite3_open( strFilePath.c_str(), &pdbParameter );
|
|
|
|
if ( returnCode != SQLITE_OK )
|
|
{
|
|
throw runtime_error( sqlite3_errmsg(pdbParameter) );
|
|
}
|
|
|
|
//查询
|
|
returnCode = sqlite3_get_table( pdbParameter, szSQL, &result, &nRowCount, &nColCount, &pszMessage );
|
|
|
|
if ( returnCode != SQLITE_OK )
|
|
{
|
|
throw runtime_error( sqlite3_errmsg( pdbParameter ));
|
|
}
|
|
|
|
for ( int nRowIndex = nColCount; nRowIndex < nColCount*(nRowCount+1); nRowIndex += nColCount )
|
|
{
|
|
string strName = result[nRowIndex];
|
|
string strValue = result[nRowIndex+1];
|
|
|
|
m_parameters[strName] = strValue;
|
|
}
|
|
|
|
//清理
|
|
sqlite3_free_table( result );
|
|
sqlite3_close( pdbParameter );
|
|
|
|
//保存文件路径
|
|
m_strDbFilePath = strFilePath;
|
|
}
|
|
|
|
|
|
Parameters::~Parameters(void)
|
|
{
|
|
}
|
|
|
|
string Parameters::getParameter(const string & strParaName)
|
|
{
|
|
return m_parameters[strParaName];
|
|
}
|
|
|
|
void Parameters::setParameter(const string & strParaName, const string & strParaValue)
|
|
{
|
|
if ( m_parameters.find( strParaName) == m_parameters.end() )
|
|
{
|
|
throw runtime_error( "参数名称错误！" );
|
|
}
|
|
|
|
m_parameters[strParaName] = strParaValue;
|
|
|
|
sqlite3 * pDb = NULL;
|
|
int iReturnCode;
|
|
char * szMsg;
|
|
string strSQL =
|
|
"update sys_parameter set value = '";
|
|
|
|
strSQL.append( strParaValue );
|
|
strSQL.append( "' where name = '" );
|
|
strSQL.append( strParaName );
|
|
strSQL.append( "' " );
|
|
|
|
iReturnCode = sqlite3_open( m_strDbFilePath.c_str(), &pDb );
|
|
|
|
if ( iReturnCode != SQLITE_OK )
|
|
{
|
|
throw runtime_error( sqlite3_errmsg( pDb ));
|
|
}
|
|
|
|
iReturnCode = sqlite3_exec( pDb, strSQL.c_str(), NULL, NULL, &szMsg );
|
|
|
|
if ( iReturnCode != SQLITE_OK )
|
|
{
|
|
throw runtime_error( szMsg );
|
|
}
|
|
|
|
sqlite3_close( pDb );
|
|
}
|
|
|