#include "sqlitedao.h" SqliteDao* SqliteDao::m_instance = nullptr; SqliteDao* SqliteDao::instance() { if (m_instance == nullptr) { m_instance = new SqliteDao(nullptr); } return m_instance; } void SqliteDao::freeInstance() { if (m_instance != nullptr) { delete m_instance; } } SqliteDao::SqliteDao(QObject* parent) : QObject(parent) { m_sqliteWrapper = new SqliteWrapper(this); m_sqliteWrapper->setFileName(QApplication::applicationDirPath() + "/data/data.db"); m_sqliteWrapper->setDbName("data"); m_sqliteWrapper->open(); } SqliteWrapper* SqliteDao::sqliteWrapper() const { return m_sqliteWrapper; } bool SqliteDao::transaction() { m_sqliteWrapper->getDataBase().transaction(); } void SqliteDao::commit() { m_sqliteWrapper->getDataBase().commit(); } SqliteDao* sqliteDao() { return SqliteDao::instance(); }